SONAR-8798 Upgrade packaged Elasticsearch to 5.5.1

Update of maven dependency, the packaged Elasticsearch version, add empty plugins subdirectory and minor other changes

105 files changed, 3964 insertions, 107 deletions

diff --git a/sonar-application/src/main/assembly/elasticsearch/NOTICE.txt b/sonar-application/src/main/assembly/elasticsearch/NOTICE.txt
index c99b9581931..09b3ab8edbe 100644
--- a/sonar-application/src/main/assembly/elasticsearch/NOTICE.txt
+++ b/sonar-application/src/main/assembly/elasticsearch/NOTICE.txt
@@ -1,5 +1,3632 @@
 Elasticsearch
-Copyright 2009-2016 Elasticsearch
+Copyright 2009-2017 Elasticsearch
+
+This product includes software developed by The Apache Software Foundation
+(http://www.apache.org/).
+
+
+================================================================================
+HdrHistogram LICENSE
+================================================================================
+The code in this repository code was Written by Gil Tene, Michael Barker,
+and Matt Warren, and released to the public domain, as explained at
+http://creativecommons.org/publicdomain/zero/1.0/
+
+For users of this code who wish to consume it under the "BSD" license
+rather than under the public domain or CC0 contribution text mentioned
+above, the code found under this directory is *also* provided under the
+following license (commonly referred to as the BSD 2-Clause License). This
+license does not detract from the above stated release of the code into
+the public domain, and simply represents an additional license granted by
+the Author.
+
+-----------------------------------------------------------------------------
+** Beginning of "BSD 2-Clause License" text. **
+
+ Copyright (c) 2012, 2013, 2014 Gil Tene
+ Copyright (c) 2014 Michael Barker
+ Copyright (c) 2014 Matt Warren
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
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+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ THE POSSIBILITY OF SUCH DAMAGE.
+
+================================================================================
+antlr4-runtime LICENSE
+================================================================================
+[The "BSD license"]
+Copyright (c) 2015 Terence Parr, Sam Harwell
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
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+ 3. The name of the author may not be used to endorse or promote products
+    derived from this software without specific prior written permission.
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+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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+
+================================================================================
+compiler LICENSE
+================================================================================
+Copyright 2010 RightTime, Inc.
+
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+   You may obtain a copy of the License at
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+groovy NOTICE
+================================================================================
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+Copyright 2003-2016 The Apache Software Foundation
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+
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+groovy LICENSE
+================================================================================
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+ACKNOWLEDGEMENT
+===============
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+HPPC borrowed code, ideas or both from:
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+   (Apache license)
+ * Fastutil, http://fastutil.di.unimi.it/
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+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
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+      appropriateness of using or redistributing the Work and assume any
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+      negligent acts) or agreed to in writing, shall any Contributor be
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+
+================================================================================
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+================================================================================
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+=============================================================================
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+Joda.org (http://www.joda.org/).
+
+
+================================================================================
+joda-time LICENSE
+================================================================================
+

+                                 Apache License

+                           Version 2.0, January 2004

+                        http://www.apache.org/licenses/

+

+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

+

+   1. Definitions.

+

+      "License" shall mean the terms and conditions for use, reproduction,

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+
+
+================================================================================
+joni NOTICE
+================================================================================
+Joni is released under the MIT License.
+
+
+================================================================================
+joni LICENSE
+================================================================================
+Permission is hereby granted, free of charge, to any person obtaining a copy of
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+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+================================================================================
+jopt-simple LICENSE
+================================================================================
+/*
+ The MIT License
+
+ Copyright (c) 2004-2015 Paul R. Holser, Jr.
+
+ Permission is hereby granted, free of charge, to any person obtaining
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+ "Software"), to deal in the Software without restriction, including
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+*/
+
+
+================================================================================
+jts LICENSE
+================================================================================
+                   GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+
+================================================================================
+log4j NOTICE
+================================================================================
+Apache log4j
+Copyright 2007 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+================================================================================
+log4j LICENSE
+================================================================================
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright 1999-2005 The Apache Software Foundation
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+================================================================================
+log4j-api NOTICE
+================================================================================
+Apache log4j
+Copyright 2007 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+================================================================================
+log4j-api LICENSE
+================================================================================
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright 1999-2005 The Apache Software Foundation
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+================================================================================
+log4j-core NOTICE
+================================================================================
+Apache log4j
+Copyright 2007 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+================================================================================
+log4j-core LICENSE
+================================================================================
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright 1999-2005 The Apache Software Foundation
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+================================================================================
+lucene NOTICE
+================================================================================
+Apache Lucene
+Copyright 2014 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+Includes software from other Apache Software Foundation projects,
+including, but not limited to:
+ - Apache Ant
+ - Apache Jakarta Regexp
+ - Apache Commons
+ - Apache Xerces
+
+ICU4J, (under analysis/icu) is licensed under an MIT styles license
+and Copyright (c) 1995-2008 International Business Machines Corporation and others
+
+Some data files (under analysis/icu/src/data) are derived from Unicode data such
+as the Unicode Character Database. See http://unicode.org/copyright.html for more
+details.
+
+Brics Automaton (under core/src/java/org/apache/lucene/util/automaton) is 
+BSD-licensed, created by Anders Møller. See http://www.brics.dk/automaton/
+
+The levenshtein automata tables (under core/src/java/org/apache/lucene/util/automaton) were
+automatically generated with the moman/finenight FSA library, created by
+Jean-Philippe Barrette-LaPierre. This library is available under an MIT license,
+see http://sites.google.com/site/rrettesite/moman and 
+http://bitbucket.org/jpbarrette/moman/overview/
+
+The class org.apache.lucene.util.WeakIdentityMap was derived from
+the Apache CXF project and is Apache License 2.0.
+
+The Google Code Prettify is Apache License 2.0.
+See http://code.google.com/p/google-code-prettify/
+
+JUnit (junit-4.10) is licensed under the Common Public License v. 1.0
+See http://junit.sourceforge.net/cpl-v10.html
+
+This product includes code (JaspellTernarySearchTrie) from Java Spelling Checkin
+g Package (jaspell): http://jaspell.sourceforge.net/
+License: The BSD License (http://www.opensource.org/licenses/bsd-license.php)
+
+The snowball stemmers in
+  analysis/common/src/java/net/sf/snowball
+were developed by Martin Porter and Richard Boulton.
+The snowball stopword lists in
+  analysis/common/src/resources/org/apache/lucene/analysis/snowball
+were developed by Martin Porter and Richard Boulton.
+The full snowball package is available from
+  http://snowball.tartarus.org/
+
+The KStem stemmer in
+  analysis/common/src/org/apache/lucene/analysis/en
+was developed by Bob Krovetz and Sergio Guzman-Lara (CIIR-UMass Amherst)
+under the BSD-license.
+
+The Arabic,Persian,Romanian,Bulgarian, and Hindi analyzers (common) come with a default
+stopword list that is BSD-licensed created by Jacques Savoy.  These files reside in:
+analysis/common/src/resources/org/apache/lucene/analysis/ar/stopwords.txt,
+analysis/common/src/resources/org/apache/lucene/analysis/fa/stopwords.txt,
+analysis/common/src/resources/org/apache/lucene/analysis/ro/stopwords.txt,
+analysis/common/src/resources/org/apache/lucene/analysis/bg/stopwords.txt,
+analysis/common/src/resources/org/apache/lucene/analysis/hi/stopwords.txt
+See http://members.unine.ch/jacques.savoy/clef/index.html.
+
+The German,Spanish,Finnish,French,Hungarian,Italian,Portuguese,Russian and Swedish light stemmers
+(common) are based on BSD-licensed reference implementations created by Jacques Savoy and
+Ljiljana Dolamic. These files reside in:
+analysis/common/src/java/org/apache/lucene/analysis/de/GermanLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/de/GermanMinimalStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/es/SpanishLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/fi/FinnishLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/fr/FrenchLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/fr/FrenchMinimalStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/hu/HungarianLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/it/ItalianLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/pt/PortugueseLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/ru/RussianLightStemmer.java
+analysis/common/src/java/org/apache/lucene/analysis/sv/SwedishLightStemmer.java
+
+The Stempel analyzer (stempel) includes BSD-licensed software developed 
+by the Egothor project http://egothor.sf.net/, created by Leo Galambos, Martin Kvapil,
+and Edmond Nolan.
+
+The Polish analyzer (stempel) comes with a default
+stopword list that is BSD-licensed created by the Carrot2 project. The file resides
+in stempel/src/resources/org/apache/lucene/analysis/pl/stopwords.txt.
+See http://project.carrot2.org/license.html.
+
+The SmartChineseAnalyzer source code (smartcn) was
+provided by Xiaoping Gao and copyright 2009 by www.imdict.net.
+
+WordBreakTestUnicode_*.java (under modules/analysis/common/src/test/) 
+is derived from Unicode data such as the Unicode Character Database. 
+See http://unicode.org/copyright.html for more details.
+
+The Morfologik analyzer (morfologik) includes BSD-licensed software
+developed by Dawid Weiss and Marcin Miłkowski (http://morfologik.blogspot.com/).
+
+Morfologik uses data from Polish ispell/myspell dictionary
+(http://www.sjp.pl/slownik/en/) licenced on the terms of (inter alia)
+LGPL and Creative Commons ShareAlike.
+
+Morfologic includes data from BSD-licensed dictionary of Polish (SGJP)
+(http://sgjp.pl/morfeusz/)
+
+Servlet-api.jar and javax.servlet-*.jar are under the CDDL license, the original
+source code for this can be found at http://www.eclipse.org/jetty/downloads.php
+
+===========================================================================
+Kuromoji Japanese Morphological Analyzer - Apache Lucene Integration
+===========================================================================
+
+This software includes a binary and/or source version of data from
+
+  mecab-ipadic-2.7.0-20070801
+
+which can be obtained from
+
+  http://atilika.com/releases/mecab-ipadic/mecab-ipadic-2.7.0-20070801.tar.gz
+
+or
+
+  http://jaist.dl.sourceforge.net/project/mecab/mecab-ipadic/2.7.0-20070801/mecab-ipadic-2.7.0-20070801.tar.gz
+
+===========================================================================
+mecab-ipadic-2.7.0-20070801 Notice
+===========================================================================
+
+Nara Institute of Science and Technology (NAIST),
+the copyright holders, disclaims all warranties with regard to this
+software, including all implied warranties of merchantability and
+fitness, in no event shall NAIST be liable for
+any special, indirect or consequential damages or any damages
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+action of contract, negligence or other tortuous action, arising out
+of or in connection with the use or performance of this software.
+
+A large portion of the dictionary entries
+originate from ICOT Free Software.  The following conditions for ICOT
+Free Software applies to the current dictionary as well.
+
+Each User may also freely distribute the Program, whether in its
+original form or modified, to any third party or parties, PROVIDED
+that the provisions of Section 3 ("NO WARRANTY") will ALWAYS appear
+on, or be attached to, the Program, which is distributed substantially
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+jurisdiction over the User or the intended distribution itself.
+
+NO WARRANTY
+
+The program was produced on an experimental basis in the course of the
+research and development conducted during the project and is provided
+to users as so produced on an experimental basis.  Accordingly, the
+program is provided without any warranty whatsoever, whether express,
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+includes, but is not limited to, any warranty of the quality,
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+
+Each user of the program will agree and understand, and be deemed to
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+the program and, accordingly, the entire risk arising from or
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+
+Therefore, neither ICOT, the copyright holder, or any other
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+
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+
+
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+  http://www.python.org/download/releases/2.4.2/license/
+
+Some code in core/src/java/org/apache/lucene/util/UnicodeUtil.java was
+derived from Python 3.1.2 sources available at
+http://www.python.org. Full license is here:
+
+  http://www.python.org/download/releases/3.1.2/license/
+
+Some code in core/src/java/org/apache/lucene/util/automaton was
+derived from Brics automaton sources available at
+www.brics.dk/automaton/. Here is the copyright from those sources:
+
+/*
+ * Copyright (c) 2001-2009 Anders Moeller
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ * 
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+The levenshtein automata tables in core/src/java/org/apache/lucene/util/automaton 
+were automatically generated with the moman/finenight FSA package.
+Here is the copyright for those sources:
+
+# Copyright (c) 2010, Jean-Philippe Barrette-LaPierre, <jpb@rrette.com>
+#
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation
+# files (the "Software"), to deal in the Software without
+# restriction, including without limitation the rights to use,
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+# copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following
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+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+Some code in core/src/java/org/apache/lucene/util/UnicodeUtil.java was
+derived from ICU (http://www.icu-project.org)
+The full license is available here: 
+  http://source.icu-project.org/repos/icu/icu/trunk/license.html
+
+/*
+ * Copyright (C) 1999-2010, International Business Machines
+ * Corporation and others.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy 
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights 
+ * to use, copy, modify, merge, publish, distribute, and/or sell copies of the 
+ * Software, and to permit persons to whom the Software is furnished to do so, 
+ * provided that the above copyright notice(s) and this permission notice appear 
+ * in all copies of the Software and that both the above copyright notice(s) and
+ * this permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE BE 
+ * LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR 
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER 
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Except as contained in this notice, the name of a copyright holder shall not 
+ * be used in advertising or otherwise to promote the sale, use or other 
+ * dealings in this Software without prior written authorization of the 
+ * copyright holder.
+ */
+ 
+The following license applies to the Snowball stemmers:
+
+Copyright (c) 2001, Dr Martin Porter
+Copyright (c) 2002, Richard Boulton
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+    * this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+    * notice, this list of conditions and the following disclaimer in the
+    * documentation and/or other materials provided with the distribution.
+    * Neither the name of the copyright holders nor the names of its contributors
+    * may be used to endorse or promote products derived from this software
+    * without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The following license applies to the KStemmer:
+
+Copyright © 2003,
+Center for Intelligent Information Retrieval,
+University of Massachusetts, Amherst.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions and the following disclaimer in the documentation
+and/or other materials provided with the distribution.
+
+3. The names "Center for Intelligent Information Retrieval" and
+"University of Massachusetts" must not be used to endorse or promote products
+derived from this software without prior written permission. To obtain
+permission, contact info@ciir.cs.umass.edu.
+
+THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF MASSACHUSETTS AND OTHER CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+The following license applies to the Morfologik project:
+
+Copyright (c) 2006 Dawid Weiss
+Copyright (c) 2007-2011 Dawid Weiss, Marcin Miłkowski
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, 
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, 
+    this list of conditions and the following disclaimer.
+    
+    * Redistributions in binary form must reproduce the above copyright notice, 
+    this list of conditions and the following disclaimer in the documentation 
+    and/or other materials provided with the distribution.
+    
+    * Neither the name of Morfologik nor the names of its contributors 
+    may be used to endorse or promote products derived from this software 
+    without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+---
+
+The dictionary comes from Morfologik project. Morfologik uses data from 
+Polish ispell/myspell dictionary hosted at http://www.sjp.pl/slownik/en/ and 
+is licenced on the terms of (inter alia) LGPL and Creative Commons 
+ShareAlike. The part-of-speech tags were added in Morfologik project and
+are not found in the data from sjp.pl. The tagset is similar to IPI PAN
+tagset.
+
+---
+
+The following license applies to the Morfeusz project,
+used by org.apache.lucene.analysis.morfologik.
+
+BSD-licensed dictionary of Polish (SGJP)
+http://sgjp.pl/morfeusz/
+
+Copyright © 2011 Zygmunt Saloni, Włodzimierz Gruszczyński, 
+             Marcin Woliński, Robert Wołosz
+
+All rights reserved.
+
+Redistribution and  use in  source and binary  forms, with  or without
+modification, are permitted provided that the following conditions are
+met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the
+   distribution.
+
+THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS “AS IS” AND ANY EXPRESS
+OR  IMPLIED WARRANTIES,  INCLUDING, BUT  NOT LIMITED  TO,  THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED.  IN NO EVENT  SHALL COPYRIGHT  HOLDERS OR  CONTRIBUTORS BE
+LIABLE FOR  ANY DIRECT,  INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES  (INCLUDING, BUT NOT LIMITED  TO, PROCUREMENT OF
+SUBSTITUTE  GOODS OR  SERVICES;  LOSS  OF USE,  DATA,  OR PROFITS;  OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF LIABILITY,
+WHETHER IN  CONTRACT, STRICT LIABILITY, OR  TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+================================================================================
+netty NOTICE
+================================================================================
+
+                            The Netty Project
+                            =================
+
+Please visit the Netty web site for more information:
+
+  * http://netty.io/
+
+Copyright 2011 The Netty Project
+
+The Netty Project licenses this file to you under the Apache License,
+version 2.0 (the "License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at:
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+License for the specific language governing permissions and limitations
+under the License.
+
+Also, please refer to each LICENSE.<component>.txt file, which is located in
+the 'license' directory of the distribution file, for the license terms of the
+components that this product depends on.
+
+-------------------------------------------------------------------------------
+This product contains the extensions to Java Collections Framework which has
+been derived from the works by JSR-166 EG, Doug Lea, and Jason T. Greene:
+
+  * LICENSE:
+    * license/LICENSE.jsr166y.txt (Public Domain)
+  * HOMEPAGE:
+    * http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/
+    * http://viewvc.jboss.org/cgi-bin/viewvc.cgi/jbosscache/experimental/jsr166/
+
+This product contains a modified version of Robert Harder's Public Domain
+Base64 Encoder and Decoder, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.base64.txt (Public Domain)
+  * HOMEPAGE:
+    * http://iharder.sourceforge.net/current/java/base64/
+
+This product contains a modified version of 'JZlib', a re-implementation of
+zlib in pure Java, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jzlib.txt (BSD Style License)
+  * HOMEPAGE:
+    * http://www.jcraft.com/jzlib/
+
+This product contains a modified version of 'Webbit', a Java event based
+WebSocket and HTTP server:
+
+  * LICENSE:
+    * license/LICENSE.webbit.txt (BSD License)
+  * HOMEPAGE:
+    * https://github.com/joewalnes/webbit
+
+This product optionally depends on 'Protocol Buffers', Google's data
+interchange format, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.protobuf.txt (New BSD License)
+  * HOMEPAGE:
+    * http://code.google.com/p/protobuf/
+
+This product optionally depends on 'Bouncy Castle Crypto APIs' to generate
+a temporary self-signed X.509 certificate when the JVM does not provide the
+equivalent functionality.  It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.bouncycastle.txt (MIT License)
+  * HOMEPAGE:
+    * http://www.bouncycastle.org/
+
+This product optionally depends on 'SLF4J', a simple logging facade for Java,
+which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.slf4j.txt (MIT License)
+  * HOMEPAGE:
+    * http://www.slf4j.org/
+
+This product optionally depends on 'Apache Commons Logging', a logging
+framework, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.commons-logging.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://commons.apache.org/logging/
+
+This product optionally depends on 'Apache Log4J', a logging framework,
+which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.log4j.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://logging.apache.org/log4j/
+
+This product optionally depends on 'JBoss Logging', a logging framework,
+which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jboss-logging.txt (GNU LGPL 2.1)
+  * HOMEPAGE:
+    * http://anonsvn.jboss.org/repos/common/common-logging-spi/
+
+This product optionally depends on 'Apache Felix', an open source OSGi
+framework implementation, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.felix.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://felix.apache.org/
+
+
+================================================================================
+netty LICENSE
+================================================================================
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+================================================================================
+securesm LICENSE
+================================================================================
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+================================================================================
+snakeyaml NOTICE
+================================================================================
+***The art of simplicity is a puzzle of complexity.***
+
+## Overview ##
+[YAML](http://yaml.org) is a data serialization format designed for human readability and interaction with scripting languages.
+
+SnakeYAML is a YAML processor for the Java Virtual Machine.
+
+## SnakeYAML features ##
+
+* a **complete** [YAML 1.1 processor](http://yaml.org/spec/1.1/current.html). In particular, SnakeYAML can parse all examples from the specification.
+* Unicode support including UTF-8/UTF-16 input/output.
+* high-level API for serializing and deserializing native Java objects.
+* support for all types from the [YAML types repository](http://yaml.org/type/index.html).
+* relatively sensible error messages.
+
+## Info ##
+ * [Changes](https://bitbucket.org/asomov/snakeyaml/wiki/Changes)
+ * [Documentation](https://bitbucket.org/asomov/snakeyaml/wiki/Documentation)
+
+## Contribute ##
+* Mercurial DVCS is used to dance with the [source code](https://bitbucket.org/asomov/snakeyaml/src).
+* If you find a bug in SnakeYAML, please [file a bug report](https://bitbucket.org/asomov/snakeyaml/issues?status=new&status=open).
+* You may discuss SnakeYAML at
+[the mailing list](http://groups.google.com/group/snakeyaml-core).
+
+================================================================================
+snakeyaml LICENSE
+================================================================================
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
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+================================================================================
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+================================================================================
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+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+
+================================================================================
+t-digest NOTICE
+================================================================================
+The code for the t-digest was originally authored by Ted Dunning
+
+A number of small but very helpful changes have been contributed by Adrien Grand (https://github.com/jpountz)
+
+
+
+================================================================================
+t-digest LICENSE
+================================================================================
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+
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+      and conversions to other media types.
+
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+
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+
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+
+      (b) You must cause any modified files to carry prominent notices
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+
+      (c) You must retain, in the Source form of any Derivative Works
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+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
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+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
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+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
 
-This product includes software developed by The Apache Software
-Foundation (http://www.apache.org/).
diff --git a/sonar-application/src/main/assembly/elasticsearch/README.textile b/sonar-application/src/main/assembly/elasticsearch/README.textile
index 52c7607509c..f02a18d214b 100644
--- a/sonar-application/src/main/assembly/elasticsearch/README.textile
+++ b/sonar-application/src/main/assembly/elasticsearch/README.textile
@@ -50,16 +50,16 @@ h3. Indexing
 Let's try and index some twitter like information. First, let's create a twitter user, and add some tweets (the @twitter@ index will be created automatically):
 
 <pre>
-curl -XPUT 'http://localhost:9200/twitter/user/kimchy?pretty' -d '{ "name" : "Shay Banon" }'
+curl -XPUT 'http://localhost:9200/twitter/user/kimchy?pretty' -H 'Content-Type: application/json' -d '{ "name" : "Shay Banon" }'
 
-curl -XPUT 'http://localhost:9200/twitter/tweet/1?pretty' -d '
+curl -XPUT 'http://localhost:9200/twitter/tweet/1?pretty' -H 'Content-Type: application/json' -d '
 {
     "user": "kimchy",
     "post_date": "2009-11-15T13:12:00",
     "message": "Trying out Elasticsearch, so far so good?"
 }'
 
-curl -XPUT 'http://localhost:9200/twitter/tweet/2?pretty' -d '
+curl -XPUT 'http://localhost:9200/twitter/tweet/2?pretty' -H 'Content-Type: application/json' -d '
 {
     "user": "kimchy",
     "post_date": "2009-11-15T14:12:12",
@@ -87,7 +87,7 @@ curl -XGET 'http://localhost:9200/twitter/tweet/_search?q=user:kimchy&pretty=tru
 We can also use the JSON query language Elasticsearch provides instead of a query string:
 
 <pre>
-curl -XGET 'http://localhost:9200/twitter/tweet/_search?pretty=true' -d '
+curl -XGET 'http://localhost:9200/twitter/tweet/_search?pretty=true' -H 'Content-Type: application/json' -d '
 {
     "query" : {
         "match" : { "user": "kimchy" }
@@ -98,7 +98,7 @@ curl -XGET 'http://localhost:9200/twitter/tweet/_search?pretty=true' -d '
 Just for kicks, let's get all the documents stored (we should see the user as well):
 
 <pre>
-curl -XGET 'http://localhost:9200/twitter/_search?pretty=true' -d '
+curl -XGET 'http://localhost:9200/twitter/_search?pretty=true' -H 'Content-Type: application/json' -d '
 {
     "query" : {
         "match_all" : {}
@@ -109,7 +109,7 @@ curl -XGET 'http://localhost:9200/twitter/_search?pretty=true' -d '
 We can also do range search (the @postDate@ was automatically identified as date)
 
 <pre>
-curl -XGET 'http://localhost:9200/twitter/_search?pretty=true' -d '
+curl -XGET 'http://localhost:9200/twitter/_search?pretty=true' -H 'Content-Type: application/json' -d '
 {
     "query" : {
         "range" : {
@@ -130,16 +130,16 @@ Elasticsearch supports multiple indices, as well as multiple types per index. In
 Another way to define our simple twitter system is to have a different index per user (note, though that each index has an overhead). Here is the indexing curl's in this case:
 
 <pre>
-curl -XPUT 'http://localhost:9200/kimchy/info/1?pretty' -d '{ "name" : "Shay Banon" }'
+curl -XPUT 'http://localhost:9200/kimchy/info/1?pretty' -H 'Content-Type: application/json' -d '{ "name" : "Shay Banon" }'
 
-curl -XPUT 'http://localhost:9200/kimchy/tweet/1?pretty' -d '
+curl -XPUT 'http://localhost:9200/kimchy/tweet/1?pretty' -H 'Content-Type: application/json' -d '
 {
     "user": "kimchy",
     "post_date": "2009-11-15T13:12:00",
     "message": "Trying out Elasticsearch, so far so good?"
 }'
 
-curl -XPUT 'http://localhost:9200/kimchy/tweet/2?pretty' -d '
+curl -XPUT 'http://localhost:9200/kimchy/tweet/2?pretty' -H 'Content-Type: application/json' -d '
 {
     "user": "kimchy",
     "post_date": "2009-11-15T14:12:12",
@@ -152,7 +152,7 @@ The above will index information into the @kimchy@ index, with two types, @info@
 Complete control on the index level is allowed. As an example, in the above case, we would want to change from the default 5 shards with 1 replica per index, to only 1 shard with 1 replica per index (== per twitter user). Here is how this can be done (the configuration can be in yaml as well):
 
 <pre>
-curl -XPUT http://localhost:9200/another_user?pretty -d '
+curl -XPUT http://localhost:9200/another_user?pretty -H 'Content-Type: application/json' -d '
 {
     "index" : {
         "number_of_shards" : 1,
@@ -165,7 +165,7 @@ Search (and similar operations) are multi index aware. This means that we can ea
 index (twitter user), for example:
 
 <pre>
-curl -XGET 'http://localhost:9200/kimchy,another_user/_search?pretty=true' -d '
+curl -XGET 'http://localhost:9200/kimchy,another_user/_search?pretty=true' -H 'Content-Type: application/json' -d '
 {
     "query" : {
         "match_all" : {}
@@ -176,7 +176,7 @@ curl -XGET 'http://localhost:9200/kimchy,another_user/_search?pretty=true' -d '
 Or on all the indices:
 
 <pre>
-curl -XGET 'http://localhost:9200/_search?pretty=true' -d '
+curl -XGET 'http://localhost:9200/_search?pretty=true' -H 'Content-Type: application/json' -d '
 {
     "query" : {
         "match_all" : {}
@@ -200,7 +200,7 @@ We have just covered a very small portion of what Elasticsearch is all about. Fo
 
 h3. Building from Source
 
-Elasticsearch uses "Gradle":https://gradle.org for its build system. You'll need to have version 2.13 of Gradle installed.
+Elasticsearch uses "Gradle":https://gradle.org for its build system. You'll need to have at least version 3.3 of Gradle installed.
 
 In order to create a distribution, simply run the @gradle assemble@ command in the cloned directory.
 
diff --git a/sonar-application/src/main/assembly/elasticsearch/VERSION.txt b/sonar-application/src/main/assembly/elasticsearch/VERSION.txt
index f373200c34f..653c32810fe 100644
--- a/sonar-application/src/main/assembly/elasticsearch/VERSION.txt
+++ b/sonar-application/src/main/assembly/elasticsearch/VERSION.txt
@@ -1,2 +1,2 @@
-Elasticsearch 5.0.2
-https://www.elastic.co/downloads/past-releases/elasticsearch-5-0-2
+Elasticsearch 5.5.1
+https://www.elastic.co/downloads/past-releases/elasticsearch-5-5-1
diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch
index 57d9d38784e..90208475392 100755
--- a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch
@@ -172,6 +172,13 @@ if [ "x$JAVA_OPTS" != "x" ]; then
     echo "Please pass JVM parameters via ES_JAVA_OPTS instead"
 fi
 
+"$JAVA" -cp "$ES_CLASSPATH" org.elasticsearch.tools.JavaVersionChecker
+
+if [ $? -ne 0 ]; then
+    echo "Elasticsearch requires at least Java 8 but your Java version from $JAVA does not meet this requirement"
+    exit 1
+fi
+
 # full hostname passed through cut for portability on systems that do not support hostname -s
 # export on separate line for shells that do not support combining definition and export
 HOSTNAME=`hostname | cut -d. -f1`
diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-keystore b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-keystore
new file mode 100755
index 00000000000..706f8855e79
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-keystore
@@ -0,0 +1,91 @@
+#!/bin/bash
+
+CDPATH=""
+SCRIPT="$0"
+
+# SCRIPT may be an arbitrarily deep series of symlinks. Loop until we have the concrete path.
+while [ -h "$SCRIPT" ] ; do
+  ls=`ls -ld "$SCRIPT"`
+  # Drop everything prior to ->
+  link=`expr "$ls" : '.*-> \(.*\)$'`
+  if expr "$link" : '/.*' > /dev/null; then
+    SCRIPT="$link"
+  else
+    SCRIPT=`dirname "$SCRIPT"`/"$link"
+  fi
+done
+
+# determine elasticsearch home
+ES_HOME=`dirname "$SCRIPT"`/..
+
+# make ELASTICSEARCH_HOME absolute
+ES_HOME=`cd "$ES_HOME"; pwd`
+
+
+# Sets the default values for elasticsearch variables used in this script
+if [ -z "$CONF_DIR" ]; then
+  CONF_DIR="$ES_HOME/config"
+fi
+
+# The default env file is defined at building/packaging time.
+# For a distribution package, the value is "".
+ES_ENV_FILE=""
+
+# If an include is specified with the ES_INCLUDE environment variable, use it
+if [ -n "$ES_INCLUDE" ]; then
+    ES_ENV_FILE="$ES_INCLUDE"
+fi
+
+# Source the environment file
+if [ -n "$ES_ENV_FILE" ]; then
+
+  # If the ES_ENV_FILE is not found, try to resolve the path
+  # against the ES_HOME directory
+  if [ ! -f "$ES_ENV_FILE" ]; then
+      ES_ENV_FILE="$ELASTIC_HOME/$ES_ENV_FILE"
+  fi
+
+  . "$ES_ENV_FILE"
+  if [ $? -ne 0 ]; then
+      echo "Unable to source environment file: $ES_ENV_FILE" >&2
+      exit 1
+  fi
+fi
+
+# don't let JAVA_TOOL_OPTIONS slip in (e.g. crazy agents in ubuntu)
+# works around https://bugs.launchpad.net/ubuntu/+source/jayatana/+bug/1441487
+if [ "x$JAVA_TOOL_OPTIONS" != "x" ]; then
+    echo "Warning: Ignoring JAVA_TOOL_OPTIONS=$JAVA_TOOL_OPTIONS"
+    unset JAVA_TOOL_OPTIONS
+fi
+
+# CONF_FILE setting was removed
+if [ ! -z "$CONF_FILE" ]; then
+    echo "CONF_FILE setting is no longer supported. elasticsearch.yml must be placed in the config directory and cannot be renamed."
+    exit 1
+fi
+
+if [ -x "$JAVA_HOME/bin/java" ]; then
+    JAVA=$JAVA_HOME/bin/java
+else
+    JAVA=`which java`
+fi
+
+if [ ! -x "$JAVA" ]; then
+    echo "Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME"
+    exit 1
+fi
+
+# full hostname passed through cut for portability on systems that do not support hostname -s
+# export on separate line for shells that do not support combining definition and export
+HOSTNAME=`hostname | cut -d. -f1`
+export HOSTNAME
+
+declare -a args=("$@")
+path_props=(-Des.path.home="$ES_HOME")
+
+if [ -e "$CONF_DIR" ]; then
+  path_props=("${path_props[@]}" -Des.path.conf="$CONF_DIR")
+fi
+
+exec "$JAVA" $ES_JAVA_OPTS -Delasticsearch "${path_props[@]}" -cp "$ES_HOME/lib/*" org.elasticsearch.common.settings.KeyStoreCli "${args[@]}"
diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-keystore.bat b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-keystore.bat
new file mode 100644
index 00000000000..b3aa0ddb85a
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-keystore.bat
@@ -0,0 +1,30 @@
+@echo off

+

+SETLOCAL enabledelayedexpansion

+

+IF DEFINED JAVA_HOME (

+  set JAVA=%JAVA_HOME%\bin\java.exe

+) ELSE (

+  FOR %%I IN (java.exe) DO set JAVA=%%~$PATH:I

+)

+IF NOT EXIST "%JAVA%" (

+  ECHO Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME 1>&2

+  EXIT /B 1

+)

+

+set SCRIPT_DIR=%~dp0

+for %%I in ("%SCRIPT_DIR%..") do set ES_HOME=%%~dpfI

+

+TITLE Elasticsearch Plugin Manager 5.5.1

+

+SET path_props=-Des.path.home="%ES_HOME%"

+IF DEFINED CONF_DIR (

+  SET path_props=!path_props! -Des.path.conf="%CONF_DIR%"

+)

+

+SET args=%*

+SET HOSTNAME=%COMPUTERNAME%

+

+"%JAVA%" %ES_JAVA_OPTS% !path_props! -cp "%ES_HOME%/lib/*;" "org.elasticsearch.common.settings.KeyStoreCli" !args!

+

+ENDLOCAL

diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-plugin.bat b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-plugin.bat
index b2c87d1627c..932f8a2e655 100644
--- a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-plugin.bat
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-plugin.bat
@@ -3,11 +3,11 @@
 SETLOCAL enabledelayedexpansion

 

 IF DEFINED JAVA_HOME (

-  set JAVA=%JAVA_HOME%\bin\java.exe

+  set JAVA="%JAVA_HOME%\bin\java.exe"

 ) ELSE (

   FOR %%I IN (java.exe) DO set JAVA=%%~$PATH:I

 )

-IF NOT EXIST "%JAVA%" (

+IF NOT EXIST %JAVA% (

   ECHO Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME 1>&2

   EXIT /B 1

 )

@@ -15,7 +15,7 @@ IF NOT EXIST "%JAVA%" (
 set SCRIPT_DIR=%~dp0

 for %%I in ("%SCRIPT_DIR%..") do set ES_HOME=%%~dpfI

 

-TITLE Elasticsearch Plugin Manager 5.0.2

+TITLE Elasticsearch Plugin Manager 5.5.1

 

 SET path_props=-Des.path.home="%ES_HOME%"

 IF DEFINED CONF_DIR (

@@ -25,6 +25,6 @@ IF DEFINED CONF_DIR (
 SET args=%*

 SET HOSTNAME=%COMPUTERNAME%

 

-"%JAVA%" %ES_JAVA_OPTS% !path_props! -cp "%ES_HOME%/lib/*;" "org.elasticsearch.plugins.PluginCli" !args!

+%JAVA% %ES_JAVA_OPTS% !path_props! -cp "%ES_HOME%/lib/*;" "org.elasticsearch.plugins.PluginCli" !args!

 

 ENDLOCAL

diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-service.bat b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-service.bat
index 9c46c376d93..1376ef4df13 100644
--- a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-service.bat
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-service.bat
@@ -1,7 +1,7 @@
 @echo off

 SETLOCAL enabledelayedexpansion

 

-TITLE Elasticsearch Service 5.0.2

+TITLE Elasticsearch Service 5.5.1

 

 rem TODO: remove for Elasticsearch 6.x

 set bad_env_var=0

@@ -29,20 +29,20 @@ if %bad_env_var% == 1 (
 rem end TODO: remove for Elasticsearch 6.x

 

 IF DEFINED JAVA_HOME (

-  SET JAVA=%JAVA_HOME%\bin\java.exe

+  SET JAVA="%JAVA_HOME%\bin\java.exe"

 ) ELSE (

   FOR %%I IN (java.exe) DO set JAVA=%%~$PATH:I

 )

-IF NOT EXIST "%JAVA%" (

+IF NOT EXIST %JAVA% (

   ECHO Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME 1>&2

   EXIT /B 1

 )

 IF DEFINED JAVA_HOME GOTO :cont

 

-IF NOT "%JAVA:~-13%" == "\bin\java.exe" (

+IF NOT %JAVA:~-13% == "\bin\java.exe" (

   FOR /f "tokens=2 delims=[]" %%I IN ('dir %JAVA%') DO @set JAVA=%%I

 )

-IF "%JAVA:~-13%" == "\bin\java.exe" (

+IF %JAVA:~-13% == "\bin\java.exe" (

   SET JAVA_HOME=%JAVA:~0,-13%

 )

 

@@ -52,14 +52,14 @@ if not "%CONF_FILE%" == "" goto conffileset
 set SCRIPT_DIR=%~dp0

 for %%I in ("%SCRIPT_DIR%..") do set ES_HOME=%%~dpfI

 

-"%JAVA%" -Xmx50M -version > nul 2>&1

+%JAVA% -Xmx50M -version > nul 2>&1

 

 if errorlevel 1 (

 	echo Warning: Could not start JVM to detect version, defaulting to x86:

 	goto x86

 )

 

-"%JAVA%" -Xmx50M -version 2>&1 | "%windir%\System32\find" "64-Bit" >nul:

+%JAVA% -Xmx50M -version 2>&1 | "%windir%\System32\find" "64-Bit" >nul:

 

 if errorlevel 1 goto x86

 set EXECUTABLE=%ES_HOME%\bin\elasticsearch-service-x64.exe

@@ -77,7 +77,7 @@ if EXIST "%EXECUTABLE%" goto okExe
 echo elasticsearch-service-(x86|x64).exe was not found...

 

 :okExe

-set ES_VERSION=5.0.2

+set ES_VERSION=5.5.1

 

 if "%LOG_DIR%" == "" set LOG_DIR=%ES_HOME%\logs

 

@@ -146,19 +146,19 @@ echo Installing service      :  "%SERVICE_ID%"
 echo Using JAVA_HOME (%ARCH%):  "%JAVA_HOME%"

 

 rem Check JVM server dll first

-if exist "%JAVA_HOME%"\jre\bin\server\jvm.dll (

+if exist "%JAVA_HOME%\jre\bin\server\jvm.dll" (

 	set JVM_DLL=\jre\bin\server\jvm.dll

 	goto foundJVM

 )

 

 rem Check 'server' JRE (JRE installed on Windows Server)

-if exist "%JAVA_HOME%"\bin\server\jvm.dll (

+if exist "%JAVA_HOME%\bin\server\jvm.dll" (

 	set JVM_DLL=\bin\server\jvm.dll

 	goto foundJVM

 )

 

 rem Fallback to 'client' JRE

-if exist "%JAVA_HOME%"\bin\client\jvm.dll (

+if exist "%JAVA_HOME%\bin\client\jvm.dll" (

 	set JVM_DLL=\bin\client\jvm.dll

 	echo Warning: JAVA_HOME points to a JRE and not JDK installation; a client (not a server^) JVM will be used...

 ) else (

diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-translog.bat b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-translog.bat
index 90a07546ef1..6b6e8b9e6e2 100644
--- a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-translog.bat
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch-translog.bat
@@ -15,7 +15,7 @@ IF NOT EXIST "%JAVA%" (
 set SCRIPT_DIR=%~dp0

 for %%I in ("%SCRIPT_DIR%..") do set ES_HOME=%%~dpfI

 

-TITLE Elasticsearch Plugin Manager 5.0.2

+TITLE Elasticsearch Plugin Manager 5.5.1

 

 SET properties=

 SET args=

diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.bat b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.bat
index c3ce9c847f5..96c854c12d9 100644
--- a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.bat
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.bat
@@ -1,7 +1,7 @@
 @echo off

 

 SETLOCAL enabledelayedexpansion

-TITLE Elasticsearch 5.0.2

+TITLE Elasticsearch 5.5.1

 

 SET params='%*'

 

@@ -62,7 +62,7 @@ SET HOSTNAME=%COMPUTERNAME%
 

 if "%ES_JVM_OPTIONS%" == "" (

 rem '0' is the batch file, '~dp' appends the drive and path

-set ES_JVM_OPTIONS=%~dp0\..\config\jvm.options

+set "ES_JVM_OPTIONS=%~dp0\..\config\jvm.options"

 )

 

 @setlocal

@@ -79,6 +79,6 @@ IF ERRORLEVEL 1 (
 	EXIT /B %ERRORLEVEL%

 )

 

-"%JAVA%" %ES_JAVA_OPTS% %ES_PARAMS% -cp "%ES_CLASSPATH%" "org.elasticsearch.bootstrap.Elasticsearch" !newparams!

+%JAVA% %ES_JAVA_OPTS% %ES_PARAMS% -cp "%ES_CLASSPATH%" "org.elasticsearch.bootstrap.Elasticsearch" !newparams!

 

 ENDLOCAL

diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.bat b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.bat
index 062c09b805b..1fea5ef5a10 100644
--- a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.bat
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.bat
@@ -1,11 +1,11 @@
 @echo off

 

 IF DEFINED JAVA_HOME (

-  set JAVA=%JAVA_HOME%\bin\java.exe

+  set JAVA="%JAVA_HOME%\bin\java.exe"

 ) ELSE (

-  FOR %%I IN (java.exe) DO set JAVA=%%~$PATH:I

+  FOR %%I IN (java.exe) DO set JAVA="%%~$PATH:I"

 )

-IF NOT EXIST "%JAVA%" (

+IF NOT EXIST %JAVA% (

   ECHO Could not find any executable java binary. Please install java in your PATH or set JAVA_HOME 1>&2

   EXIT /B 1

 )

@@ -15,11 +15,19 @@ for %%I in ("%SCRIPT_DIR%..") do set ES_HOME=%%~dpfI
 

 REM check in case a user was using this mechanism

 if "%ES_CLASSPATH%" == "" (

-set ES_CLASSPATH=!ES_HOME!/lib/elasticsearch-5.0.2.jar;!ES_HOME!/lib/*

+set ES_CLASSPATH=!ES_HOME!/lib/*

 ) else (

 ECHO Error: Don't modify the classpath with ES_CLASSPATH, Best is to add 1>&2

 ECHO additional elements via the plugin mechanism, or if code must really be 1>&2

 ECHO added to the main classpath, add jars to lib\, unsupported 1>&2

 EXIT /B 1

 )

+

+%JAVA% -cp "%ES_CLASSPATH%" "org.elasticsearch.tools.JavaVersionChecker"

+

+IF ERRORLEVEL 1 (

+    ECHO Elasticsearch requires at least Java 8 but your Java version from %JAVA% does not meet this requirement

+    EXIT /B 1

+)

+

 set ES_PARAMS=-Delasticsearch -Des.path.home="%ES_HOME%"

diff --git a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.sh b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.sh
index 5a3239e389d..2d224392256 100755
--- a/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.sh
+++ b/sonar-application/src/main/assembly/elasticsearch/bin/elasticsearch.in.sh
@@ -10,4 +10,4 @@ EOF
     exit 1
 fi
 
-ES_CLASSPATH="$ES_HOME/lib/elasticsearch-5.0.2.jar:$ES_HOME/lib/*"
+ES_CLASSPATH="$ES_HOME/lib/*"
diff --git a/sonar-application/src/main/assembly/elasticsearch/config/elasticsearch.yml b/sonar-application/src/main/assembly/elasticsearch/config/elasticsearch.yml
index bca86355509..15e841fe390 100644
--- a/sonar-application/src/main/assembly/elasticsearch/config/elasticsearch.yml
+++ b/sonar-application/src/main/assembly/elasticsearch/config/elasticsearch.yml
@@ -7,8 +7,8 @@
 # The primary way of configuring a node is via this file. This template lists
 # the most important settings you may want to configure for a production cluster.
 #
-# Please see the documentation for further information on configuration options:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/settings.html>
+# Please consult the documentation for further information on configuration options:
+# https://www.elastic.co/guide/en/elasticsearch/reference/index.html
 #
 # ---------------------------------- Cluster -----------------------------------
 #
@@ -58,8 +58,7 @@
 #
 #http.port: 9200
 #
-# For more information, see the documentation at:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/modules-network.html>
+# For more information, consult the network module documentation.
 #
 # --------------------------------- Discovery ----------------------------------
 #
@@ -68,12 +67,11 @@
 #
 #discovery.zen.ping.unicast.hosts: ["host1", "host2"]
 #
-# Prevent the "split brain" by configuring the majority of nodes (total number of nodes / 2 + 1):
+# Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):
 #
 #discovery.zen.minimum_master_nodes: 3
 #
-# For more information, see the documentation at:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/modules-discovery-zen.html>
+# For more information, consult the zen discovery module documentation.
 #
 # ---------------------------------- Gateway -----------------------------------
 #
@@ -81,8 +79,7 @@
 #
 #gateway.recover_after_nodes: 3
 #
-# For more information, see the documentation at:
-# <https://www.elastic.co/guide/en/elasticsearch/reference/5.0/modules-gateway.html>
+# For more information, consult the gateway module documentation.
 #
 # ---------------------------------- Various -----------------------------------
 #
diff --git a/sonar-application/src/main/assembly/elasticsearch/config/jvm.options b/sonar-application/src/main/assembly/elasticsearch/config/jvm.options
index be2b6ab73a2..0ddb578ce1c 100644
--- a/sonar-application/src/main/assembly/elasticsearch/config/jvm.options
+++ b/sonar-application/src/main/assembly/elasticsearch/config/jvm.options
@@ -39,17 +39,17 @@
 
 ## optimizations
 
-# disable calls to System#gc
--XX:+DisableExplicitGC
-
 # pre-touch memory pages used by the JVM during initialization
 -XX:+AlwaysPreTouch
 
 ## basic
 
-# force the server VM
+# force the server VM (remove on 32-bit client JVMs)
 -server
 
+# explicitly set the stack size (reduce to 320k on 32-bit client JVMs)
+-Xss1m
+
 # set to headless, just in case
 -Djava.awt.headless=true
 
@@ -62,9 +62,10 @@
 # use old-style file permissions on JDK9
 -Djdk.io.permissionsUseCanonicalPath=true
 
-# flags to keep Netty from being unsafe
+# flags to configure Netty
 -Dio.netty.noUnsafe=true
 -Dio.netty.noKeySetOptimization=true
+-Dio.netty.recycler.maxCapacityPerThread=0
 
 # log4j 2
 -Dlog4j.shutdownHookEnabled=false
@@ -94,6 +95,13 @@
 # ensure the directory exists
 #-Xloggc:${loggc}
 
+# By default, the GC log file will not rotate.
+# By uncommenting the lines below, the GC log file
+# will be rotated every 128MB at most 32 times.
+#-XX:+UseGCLogFileRotation
+#-XX:NumberOfGCLogFiles=32
+#-XX:GCLogFileSize=128M
+
 # Elasticsearch 5.0.0 will throw an exception on unquoted field names in JSON.
 # If documents were already indexed with unquoted fields in a previous version
 # of Elasticsearch, some operations may throw errors.
diff --git a/sonar-application/src/main/assembly/elasticsearch/config/log4j2.properties b/sonar-application/src/main/assembly/elasticsearch/config/log4j2.properties
index 3702afff9f3..f344d0aee55 100644
--- a/sonar-application/src/main/assembly/elasticsearch/config/log4j2.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/config/log4j2.properties
@@ -11,10 +11,10 @@ appender.console.layout.pattern = [%d{ISO8601}][%-5p][%-25c{1.}] %marker%m%n
 
 appender.rolling.type = RollingFile
 appender.rolling.name = rolling
-appender.rolling.fileName = ${sys:es.logs}.log
+appender.rolling.fileName = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}.log
 appender.rolling.layout.type = PatternLayout
 appender.rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c{1.}] %marker%.-10000m%n
-appender.rolling.filePattern = ${sys:es.logs}-%d{yyyy-MM-dd}.log
+appender.rolling.filePattern = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}-%d{yyyy-MM-dd}.log
 appender.rolling.policies.type = Policies
 appender.rolling.policies.time.type = TimeBasedTriggeringPolicy
 appender.rolling.policies.time.interval = 1
@@ -26,10 +26,10 @@ rootLogger.appenderRef.rolling.ref = rolling
 
 appender.deprecation_rolling.type = RollingFile
 appender.deprecation_rolling.name = deprecation_rolling
-appender.deprecation_rolling.fileName = ${sys:es.logs}_deprecation.log
+appender.deprecation_rolling.fileName = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}_deprecation.log
 appender.deprecation_rolling.layout.type = PatternLayout
 appender.deprecation_rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c{1.}] %marker%.-10000m%n
-appender.deprecation_rolling.filePattern = ${sys:es.logs}_deprecation-%i.log.gz
+appender.deprecation_rolling.filePattern = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}_deprecation-%i.log.gz
 appender.deprecation_rolling.policies.type = Policies
 appender.deprecation_rolling.policies.size.type = SizeBasedTriggeringPolicy
 appender.deprecation_rolling.policies.size.size = 1GB
@@ -43,10 +43,10 @@ logger.deprecation.additivity = false
 
 appender.index_search_slowlog_rolling.type = RollingFile
 appender.index_search_slowlog_rolling.name = index_search_slowlog_rolling
-appender.index_search_slowlog_rolling.fileName = ${sys:es.logs}_index_search_slowlog.log
+appender.index_search_slowlog_rolling.fileName = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}_index_search_slowlog.log
 appender.index_search_slowlog_rolling.layout.type = PatternLayout
 appender.index_search_slowlog_rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c] %marker%.-10000m%n
-appender.index_search_slowlog_rolling.filePattern = ${sys:es.logs}_index_search_slowlog-%d{yyyy-MM-dd}.log
+appender.index_search_slowlog_rolling.filePattern = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}_index_search_slowlog-%d{yyyy-MM-dd}.log
 appender.index_search_slowlog_rolling.policies.type = Policies
 appender.index_search_slowlog_rolling.policies.time.type = TimeBasedTriggeringPolicy
 appender.index_search_slowlog_rolling.policies.time.interval = 1
@@ -59,10 +59,10 @@ logger.index_search_slowlog_rolling.additivity = false
 
 appender.index_indexing_slowlog_rolling.type = RollingFile
 appender.index_indexing_slowlog_rolling.name = index_indexing_slowlog_rolling
-appender.index_indexing_slowlog_rolling.fileName = ${sys:es.logs}_index_indexing_slowlog.log
+appender.index_indexing_slowlog_rolling.fileName = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}_index_indexing_slowlog.log
 appender.index_indexing_slowlog_rolling.layout.type = PatternLayout
 appender.index_indexing_slowlog_rolling.layout.pattern = [%d{ISO8601}][%-5p][%-25c] %marker%.-10000m%n
-appender.index_indexing_slowlog_rolling.filePattern = ${sys:es.logs}_index_indexing_slowlog-%d{yyyy-MM-dd}.log
+appender.index_indexing_slowlog_rolling.filePattern = ${sys:es.logs.base_path}${sys:file.separator}${sys:es.logs.cluster_name}_index_indexing_slowlog-%d{yyyy-MM-dd}.log
 appender.index_indexing_slowlog_rolling.policies.type = Policies
 appender.index_indexing_slowlog_rolling.policies.time.type = TimeBasedTriggeringPolicy
 appender.index_indexing_slowlog_rolling.policies.time.interval = 1
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/HdrHistogram-2.1.6.jar b/sonar-application/src/main/assembly/elasticsearch/lib/HdrHistogram-2.1.6.jar
deleted file mode 100644
index 04eb3807b74..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/HdrHistogram-2.1.6.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/HdrHistogram-2.1.9.jar b/sonar-application/src/main/assembly/elasticsearch/lib/HdrHistogram-2.1.9.jar
new file mode 100644
index 00000000000..efa26371e1a
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/HdrHistogram-2.1.9.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/elasticsearch-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/elasticsearch-5.5.1.jar
index 2d345a0ce3e..192ea71f4e6 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/elasticsearch-5.0.2.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/elasticsearch-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-core-2.8.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-core-2.8.1.jar
deleted file mode 100644
index 29230d46bdc..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-core-2.8.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-core-2.8.6.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-core-2.8.6.jar
new file mode 100644
index 00000000000..2b10bf3030f
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-core-2.8.6.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-cbor-2.8.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-cbor-2.8.1.jar
deleted file mode 100644
index b69dca640f8..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-cbor-2.8.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-cbor-2.8.6.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-cbor-2.8.6.jar
new file mode 100644
index 00000000000..07b028ad739
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-cbor-2.8.6.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-smile-2.8.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-smile-2.8.6.jar
index 9096d95d674..480f67fe505 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-smile-2.8.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-smile-2.8.6.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-yaml-2.8.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-yaml-2.8.1.jar
deleted file mode 100644
index 01c0bceb499..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-yaml-2.8.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-yaml-2.8.6.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-yaml-2.8.6.jar
new file mode 100644
index 00000000000..12386f6971a
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/jackson-dataformat-yaml-2.8.6.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/java-version-checker-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/java-version-checker-5.5.1.jar
new file mode 100644
index 00000000000..81aa7713397
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/java-version-checker-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jna-4.2.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jna-4.2.2.jar
deleted file mode 100644
index a943670981d..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/jna-4.2.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/jna-4.4.0.jar b/sonar-application/src/main/assembly/elasticsearch/lib/jna-4.4.0.jar
new file mode 100644
index 00000000000..439447907dd
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/jna-4.4.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-1.2-api-2.6.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-1.2-api-2.6.2.jar
deleted file mode 100644
index 0615df7af0a..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-1.2-api-2.6.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-1.2-api-2.8.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-1.2-api-2.8.2.jar
new file mode 100644
index 00000000000..a9c13b2f372
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-1.2-api-2.8.2.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-api-2.6.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-api-2.6.2.jar
deleted file mode 100644
index a40cc563e97..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-api-2.6.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-api-2.8.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-api-2.8.2.jar
new file mode 100644
index 00000000000..9694c29f039
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-api-2.8.2.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-core-2.6.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-core-2.6.2.jar
deleted file mode 100644
index 388918f6c79..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-core-2.6.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/log4j-core-2.8.2.jar b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-core-2.8.2.jar
new file mode 100644
index 00000000000..eb658af8be2
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/log4j-core-2.8.2.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-analyzers-common-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-analyzers-common-6.6.0.jar
index 52df2a773f3..3695b07809f 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-analyzers-common-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-analyzers-common-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-backward-codecs-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-backward-codecs-6.6.0.jar
index 30cf3b95764..c2bbb6315d8 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-backward-codecs-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-backward-codecs-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-core-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-core-6.6.0.jar
index e557e1b955b..d9d533c9ff4 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-core-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-core-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-grouping-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-grouping-6.2.1.jar
deleted file mode 100644
index 551492d68ed..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-grouping-6.2.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-grouping-6.6.0.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-grouping-6.6.0.jar
new file mode 100644
index 00000000000..9b7f074cb26
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-grouping-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-highlighter-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-highlighter-6.2.1.jar
deleted file mode 100644
index b9d80415263..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-highlighter-6.2.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-highlighter-6.6.0.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-highlighter-6.6.0.jar
new file mode 100644
index 00000000000..dd108980c3a
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-highlighter-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-join-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-join-6.2.1.jar
deleted file mode 100644
index d5843951b50..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-join-6.2.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-join-6.6.0.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-join-6.6.0.jar
new file mode 100644
index 00000000000..6ab797b5056
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-join-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-memory-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-memory-6.2.1.jar
deleted file mode 100644
index 0113165c497..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-memory-6.2.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-memory-6.6.0.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-memory-6.6.0.jar
new file mode 100644
index 00000000000..afde47d024a
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-memory-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-misc-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-misc-6.6.0.jar
index 845cf8bf740..c1b5012fa6e 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-misc-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-misc-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queries-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queries-6.6.0.jar
index be78764d585..85fb0640ffc 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queries-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queries-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queryparser-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queryparser-6.6.0.jar
index 961c5090e7d..394df7eaaad 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queryparser-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-queryparser-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-sandbox-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-sandbox-6.2.1.jar
deleted file mode 100644
index 4448ca15343..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-sandbox-6.2.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-sandbox-6.6.0.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-sandbox-6.6.0.jar
new file mode 100644
index 00000000000..bfdc911d098
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-sandbox-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-6.2.1.jar
deleted file mode 100644
index f8ae65b4756..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-6.2.1.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-6.6.0.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-6.6.0.jar
new file mode 100644
index 00000000000..2b31f721210
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-extras-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-extras-6.6.0.jar
index f6f12dc02b9..f94d6e64d6f 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-extras-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial-extras-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial3d-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial3d-6.6.0.jar
index d8da9db9089..7273be3c4c3 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial3d-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-spatial3d-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-suggest-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-suggest-6.6.0.jar
index a49c732e25b..05f4dad3be0 100644
--- a/sonar-application/src/main/assembly/elasticsearch/lib/lucene-suggest-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/lucene-suggest-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/lib/plugin-cli-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/lib/plugin-cli-5.5.1.jar
new file mode 100644
index 00000000000..52169c5f000
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/lib/plugin-cli-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/aggs-matrix-stats-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/aggs-matrix-stats-5.0.2.jar
deleted file mode 100644
index 15e282b6226..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/aggs-matrix-stats-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/aggs-matrix-stats-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/aggs-matrix-stats-5.5.1.jar
new file mode 100644
index 00000000000..6fc10712174
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/aggs-matrix-stats-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/plugin-descriptor.properties
index 9d14ee253ce..c304bc2772d 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/aggs-matrix-stats/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Adds aggregations whose input are a list of numeric fields and output includes a matrix.
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=aggs-matrix-stats
@@ -30,11 +30,15 @@ name=aggs-matrix-stats
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.search.aggregations.matrix.MatrixAggregationPlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/ingest-common-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/ingest-common-5.5.1.jar
index 7a8d3ceb184..935d357d12e 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/ingest-common-5.0.2.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/ingest-common-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/plugin-descriptor.properties
index b634de8bc40..1c3539b107b 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/ingest-common/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Module for ingest processors that do not require additional security permissions or have large dependencies and resources
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=ingest-common
@@ -30,11 +30,15 @@ name=ingest-common
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.ingest.common.IngestCommonPlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lang-expression-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lang-expression-5.5.1.jar
index 722a2584035..1299c485af5 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lang-expression-5.0.2.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lang-expression-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lucene-expressions-6.2.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lucene-expressions-6.6.0.jar
index 33ffc2dc712..8237ab730d3 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lucene-expressions-6.2.1.jar
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/lucene-expressions-6.6.0.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-descriptor.properties
index 354818fb7e7..7588713e12d 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Lucene expressions integration for Elasticsearch
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=lang-expression
@@ -30,11 +30,15 @@ name=lang-expression
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.script.expression.ExpressionPlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-security.policy b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-security.policy
index c11af51e464..4835ab0530e 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-security.policy
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-expression/plugin-security.policy
@@ -24,7 +24,7 @@ grant {
   // expression runtime
   permission org.elasticsearch.script.ClassPermission "java.lang.String";
   permission org.elasticsearch.script.ClassPermission "org.apache.lucene.expressions.Expression";
-  permission org.elasticsearch.script.ClassPermission "org.apache.lucene.queries.function.FunctionValues";
+  permission org.elasticsearch.script.ClassPermission "org.apache.lucene.search.DoubleValues";
   // available functions
   permission org.elasticsearch.script.ClassPermission "java.lang.Math";
   permission org.elasticsearch.script.ClassPermission "org.apache.lucene.util.MathUtil";
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/lang-groovy-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/lang-groovy-5.0.2.jar
deleted file mode 100644
index f1009e8ccf6..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/lang-groovy-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/lang-groovy-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/lang-groovy-5.5.1.jar
new file mode 100644
index 00000000000..78c974bfe59
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/lang-groovy-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/plugin-descriptor.properties
index 7360511445a..7562fd84d14 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-groovy/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Groovy scripting integration for Elasticsearch
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=lang-groovy
@@ -30,11 +30,15 @@ name=lang-groovy
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.script.groovy.GroovyPlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/lang-mustache-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/lang-mustache-5.0.2.jar
deleted file mode 100644
index e55808976c8..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/lang-mustache-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/lang-mustache-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/lang-mustache-5.5.1.jar
new file mode 100644
index 00000000000..c608951554d
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/lang-mustache-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/plugin-descriptor.properties
index ddb10bd2c47..55989c337bf 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-mustache/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Mustache scripting integration for Elasticsearch
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=lang-mustache
@@ -30,11 +30,15 @@ name=lang-mustache
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.script.mustache.MustachePlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/lang-painless-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/lang-painless-5.0.2.jar
deleted file mode 100644
index 82c75b0a579..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/lang-painless-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/lang-painless-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/lang-painless-5.5.1.jar
new file mode 100644
index 00000000000..cd0e4bfd202
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/lang-painless-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/plugin-descriptor.properties
index 528e4091f6b..94eca7d2f0f 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/lang-painless/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=An easy, safe and fast scripting language for Elasticsearch
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=lang-painless
@@ -30,11 +30,15 @@ name=lang-painless
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.painless.PainlessPlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/parent-join/parent-join-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/parent-join/parent-join-5.5.1.jar
new file mode 100644
index 00000000000..62ed71352ba
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/parent-join/parent-join-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/parent-join/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/parent-join/plugin-descriptor.properties
new file mode 100644
index 00000000000..b8b64bc2b33
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/parent-join/plugin-descriptor.properties
@@ -0,0 +1,44 @@
+# Elasticsearch plugin descriptor file
+# This file must exist as 'plugin-descriptor.properties' in a folder named `elasticsearch`
+# inside all plugins.
+#
+### example plugin for "foo"
+#
+# foo.zip <-- zip file for the plugin, with this structure:
+#|____elasticsearch/
+#| |____   <arbitrary name1>.jar <-- classes, resources, dependencies
+#| |____   <arbitrary nameN>.jar <-- any number of jars
+#| |____   plugin-descriptor.properties <-- example contents below:
+#
+# classname=foo.bar.BazPlugin
+# description=My cool plugin
+# version=2.0
+# elasticsearch.version=2.0
+# java.version=1.7
+#
+### mandatory elements for all plugins:
+#
+# 'description': simple summary of the plugin
+description=This module adds the support parent-child queries and aggregations
+#
+# 'version': plugin's version
+version=5.5.1
+#
+# 'name': the plugin name
+name=parent-join
+#
+# 'classname': the name of the class to load, fully-qualified.
+classname=org.elasticsearch.join.ParentJoinPlugin
+#
+# 'java.version': version of java the code is built against
+# use the system property java.specification.version
+# version string must be a sequence of nonnegative decimal integers
+# separated by "."'s and may have leading zeros
+java.version=1.8
+#
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/percolator/percolator-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/percolator/percolator-5.0.2.jar
deleted file mode 100644
index 5333ccba4b1..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/percolator/percolator-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/percolator/percolator-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/percolator/percolator-5.5.1.jar
new file mode 100644
index 00000000000..bd11f0094ec
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/percolator/percolator-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/percolator/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/percolator/plugin-descriptor.properties
index d09cad0a7de..64445312e8d 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/percolator/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/percolator/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Percolator module adds capability to index queries and query these queries by specifying documents
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=percolator
@@ -30,11 +30,15 @@ name=percolator
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.percolator.PercolatorPlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/plugin-descriptor.properties
index 25e7c9e248d..5f05813ee59 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=The Reindex module adds APIs to reindex from one index to another or update documents in place.
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=reindex
@@ -30,11 +30,15 @@ name=reindex
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.index.reindex.ReindexPlugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/reindex-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/reindex-5.0.2.jar
deleted file mode 100644
index 8719236ac8d..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/reindex-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/reindex-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/reindex-5.5.1.jar
new file mode 100644
index 00000000000..b22312f2c5b
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/reindex-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/rest-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/rest-5.0.2.jar
deleted file mode 100644
index 71690e1189b..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/rest-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/reindex/rest-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/rest-5.5.1.jar
new file mode 100644
index 00000000000..48133f3084a
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/reindex/rest-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/plugin-descriptor.properties
index ae8baa4d287..45742db4b44 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Netty 3 based transport implementation
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=transport-netty3
@@ -30,11 +30,15 @@ name=transport-netty3
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.transport.Netty3Plugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/transport-netty3-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/transport-netty3-5.0.2.jar
deleted file mode 100644
index cd74441d9b9..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/transport-netty3-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/transport-netty3-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/transport-netty3-5.5.1.jar
new file mode 100644
index 00000000000..dddf2963c5c
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty3/transport-netty3-5.5.1.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-buffer-4.1.11.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-buffer-4.1.11.Final.jar
new file mode 100644
index 00000000000..100e51e1a65
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-buffer-4.1.11.Final.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-buffer-4.1.5.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-buffer-4.1.5.Final.jar
deleted file mode 100644
index 0631d79a4c6..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-buffer-4.1.5.Final.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-4.1.11.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-4.1.11.Final.jar
new file mode 100644
index 00000000000..1ee1558d645
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-4.1.11.Final.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-4.1.5.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-4.1.5.Final.jar
deleted file mode 100644
index 8796fea9e3d..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-4.1.5.Final.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-http-4.1.11.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-http-4.1.11.Final.jar
new file mode 100644
index 00000000000..626798a0efe
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-http-4.1.11.Final.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-http-4.1.5.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-http-4.1.5.Final.jar
deleted file mode 100644
index 98a9b88697a..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-codec-http-4.1.5.Final.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-common-4.1.11.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-common-4.1.11.Final.jar
new file mode 100644
index 00000000000..27000632aa4
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-common-4.1.11.Final.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-common-4.1.5.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-common-4.1.5.Final.jar
deleted file mode 100644
index 85a5b03d955..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-common-4.1.5.Final.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-handler-4.1.11.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-handler-4.1.11.Final.jar
new file mode 100644
index 00000000000..043eb221961
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-handler-4.1.11.Final.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-handler-4.1.5.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-handler-4.1.5.Final.jar
deleted file mode 100644
index 85760a6e703..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-handler-4.1.5.Final.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-resolver-4.1.11.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-resolver-4.1.11.Final.jar
new file mode 100644
index 00000000000..022d72f5d10
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-resolver-4.1.11.Final.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-resolver-4.1.5.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-resolver-4.1.5.Final.jar
deleted file mode 100644
index 6eeb6208330..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-resolver-4.1.5.Final.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-transport-4.1.11.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-transport-4.1.11.Final.jar
new file mode 100644
index 00000000000..33cf855b732
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-transport-4.1.11.Final.jar
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-transport-4.1.5.Final.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-transport-4.1.5.Final.jar
deleted file mode 100644
index a76785a10cf..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/netty-transport-4.1.5.Final.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-descriptor.properties b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-descriptor.properties
index e3d1ee16cd4..46496d8262d 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-descriptor.properties
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-descriptor.properties
@@ -22,7 +22,7 @@
 description=Netty 4 based transport implementation
 #
 # 'version': plugin's version
-version=5.0.2
+version=5.5.1
 #
 # 'name': the plugin name
 name=transport-netty4
@@ -30,11 +30,15 @@ name=transport-netty4
 # 'classname': the name of the class to load, fully-qualified.
 classname=org.elasticsearch.transport.Netty4Plugin
 #
-# 'java.version' version of java the code is built against
+# 'java.version': version of java the code is built against
 # use the system property java.specification.version
 # version string must be a sequence of nonnegative decimal integers
 # separated by "."'s and may have leading zeros
 java.version=1.8
 #
-# 'elasticsearch.version' version of elasticsearch compiled against
-elasticsearch.version=5.0.2
+# 'elasticsearch.version': version of elasticsearch compiled against
+elasticsearch.version=5.5.1
+### optional elements for plugins:
+#
+# 'has.native.controller': whether or not the plugin has a native controller
+has.native.controller=false
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-security.policy b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-security.policy
index a8cd1a7fffd..6f82520ce8f 100644
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-security.policy
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/plugin-security.policy
@@ -17,8 +17,13 @@
  * under the License.
  */
 
-grant codeBase "${codebase.netty-transport-4.1.5.Final.jar}" {
+grant codeBase "${codebase.netty-common-4.1.11.Final.jar}" {
+   // for reading the system-wide configuration for the backlog of established sockets
+   permission java.io.FilePermission "/proc/sys/net/core/somaxconn", "read";
+};
+
+grant codeBase "${codebase.netty-transport-4.1.11.Final.jar}" {
    // Netty NioEventLoop wants to change this, because of https://bugs.openjdk.java.net/browse/JDK-6427854
    // the bug says it only happened rarely, and that its fixed, but apparently it still happens rarely!
    permission java.util.PropertyPermission "sun.nio.ch.bugLevel", "write";
-};
\ No newline at end of file
+};
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/transport-netty4-5.0.2.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/transport-netty4-5.0.2.jar
deleted file mode 100644
index 9b211186024..00000000000
--- a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/transport-netty4-5.0.2.jar
+++ /dev/null
diff --git a/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/transport-netty4-5.5.1.jar b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/transport-netty4-5.5.1.jar
new file mode 100644
index 00000000000..4275f7877d7
--- /dev/null
+++ b/sonar-application/src/main/assembly/elasticsearch/modules/transport-netty4/transport-netty4-5.5.1.jar