Use slf4j-simple instead of log4j for logging

JGit uses slf4j-api as logging API. The libraries - org.eclipse.jgit.http.test - org.eclipse.jgit.pgm - org.eclipse.jgit.ssh.apache.test - org.eclipse.jgit.test used the outdated log4j 1.2.15 which is EOL since years. Since both jgit command line and also the tests don't need sophisticated logging features replace log4j with the much simpler slf4j-simple log implementation. The org.slf4j.binding.simple 1.7.30 archive has only 25kB instead of 429kB for log4j 1.2.15 Applications using jgit are free to choose any other log implementation supporting slf4j API. Change-Id: I89e85cd3c76e954c3434622510975ce65dc227d4
author: Matthias Sohn <matthias.sohn@sap.com> 2021-12-16 18:42:45 +0100
committer: Matthias Sohn <matthias.sohn@sap.com> 2021-12-31 01:09:52 +0100
commit: 486afbc08d4689105019f77bf1ca0d1a2fc5ab0f (patch)
tree: 94b4251020206fe7bb62987d79f482feb20783f0
parent: e06eeb0167e45f9c8c30f416ea0366cc8924533d (diff)
download: jgit-486afbc08d4689105019f77bf1ca0d1a2fc5ab0f.tar.gz
jgit-486afbc08d4689105019f77bf1ca0d1a2fc5ab0f.zip
32 files changed, 84 insertions, 177 deletions
diff --git a/lib/BUILD b/lib/BUILD
index 1901be8ec8..68344e4f6f 100644
--- a/lib/BUILD
+++ b/lib/BUILD
@@ -260,7 +260,6 @@ java_library(
 
 java_library(
     name = "slf4j-simple",
-    testonly = 1,
     visibility = ["//visibility:public"],
     exports = ["@slf4j-simple//jar"],
 )
diff --git a/org.eclipse.jgit.http.test/build.properties b/org.eclipse.jgit.http.test/build.properties
index a909f1301f..a12a660466 100644
--- a/org.eclipse.jgit.http.test/build.properties
+++ b/org.eclipse.jgit.http.test/build.properties
@@ -4,5 +4,4 @@ output.. = bin/
 bin.includes = META-INF/,\
                .,\
                plugin.properties
-additional.bundles = org.apache.log4j,\
-                     org.slf4j.binding.log4j12
+additional.bundles = org.slf4j.binding.simple
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/category.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/category.xml
index ca0935a514..3417e09e9b 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/category.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/category.xml
@@ -111,12 +111,6 @@
    <bundle id="org.apache.httpcomponents.httpcore.source">
       <category name="JGit-dependency-bundles"/>
    </bundle>
-   <bundle id="org.apache.log4j">
-      <category name="JGit-dependency-bundles"/>
-   </bundle>
-   <bundle id="org.apache.log4j.source">
-      <category name="JGit-dependency-bundles"/>
-   </bundle>
    <bundle id="org.apache.sshd.osgi">
       <category name="JGit-dependency-bundles"/>
    </bundle>
@@ -165,10 +159,10 @@
    <bundle id="org.slf4j.api.source">
       <category name="JGit-dependency-bundles"/>
    </bundle>
-   <bundle id="org.slf4j.binding.log4j12">
+   <bundle id="org.slf4j.binding.simple">
       <category name="JGit-dependency-bundles"/>
    </bundle>
-   <bundle id="org.slf4j.binding.log4j12.source">
+   <bundle id="org.slf4j.binding.simple.source">
       <category name="JGit-dependency-bundles"/>
    </bundle>
    <bundle id="org.tukaani.xz">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target
index 29f9fa85d4..6a6354498a 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.10" sequenceNumber="1639436778">
+<target name="jgit-4.10" sequenceNumber="1639438138">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target
index 82136cdc9f..a0c771023b 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.11" sequenceNumber="1639436783">
+<target name="jgit-4.11" sequenceNumber="1639438138">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target
index ba09b5f258..21a5797fee 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.12" sequenceNumber="1639436783">
+<target name="jgit-4.12" sequenceNumber="1639438138">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target
index 527ac100aa..e7e9c68ce0 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.13" sequenceNumber="1639436783">
+<target name="jgit-4.13" sequenceNumber="1639438138">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14.target
index b55efc0cad..aa104b587a 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.14" sequenceNumber="1639436780">
+<target name="jgit-4.14" sequenceNumber="1639438136">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.15.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.15.target
index acfc9d35e1..9854511e59 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.15.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.15.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.15" sequenceNumber="1639436780">
+<target name="jgit-4.15" sequenceNumber="1639438136">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.16.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.16.target
index 50e7402821..202faf1206 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.16.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.16.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.16" sequenceNumber="1639436783">
+<target name="jgit-4.16" sequenceNumber="1639438138">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.17.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.17.target
index 8426ef8ef9..a0ea860d4e 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.17.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.17.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.17" sequenceNumber="1639436784">
+<target name="jgit-4.17" sequenceNumber="1639438139">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.18.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.18.target
index ba83922272..168ae2ce44 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.18.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.18.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.18" sequenceNumber="1639436784">
+<target name="jgit-4.18" sequenceNumber="1639438139">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
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       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.19.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.19.target
index 56e6d410a8..a686b5feaa 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.19.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.19.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.19-staging" sequenceNumber="1639436780">
+<target name="jgit-4.19-staging" sequenceNumber="1639438136">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
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-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
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       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.20.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.20.target
index 278ecffc1b..86183bfb8d 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.20.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.20.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.20" sequenceNumber="1639436784">
+<target name="jgit-4.20" sequenceNumber="1639438139">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.21.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.21.target
index 7551b43a12..4d6beef6a0 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.21.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.21.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.21" sequenceNumber="1639436783">
+<target name="jgit-4.21" sequenceNumber="1639438138">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore" version="4.4.14.v20210128-2225"/>
       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
-      <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
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-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
index 69d88bf1ff..d56f3d691d 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.6" sequenceNumber="1639436794">
+<target name="jgit-4.6" sequenceNumber="1639438149">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
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       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
-      <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
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       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
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-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
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       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
index 78005a898f..8f82cfa289 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.7" sequenceNumber="1639436790">
+<target name="jgit-4.7" sequenceNumber="1639438145">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
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       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
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       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
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-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
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diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
index 7d4a78d00b..cc02ef59ac 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.8" sequenceNumber="1639436783">
+<target name="jgit-4.8" sequenceNumber="1639438139">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
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       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
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       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
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-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
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       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target
index 5edf365f18..997abb4e05 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.9" sequenceNumber="1639436784">
+<target name="jgit-4.9" sequenceNumber="1639438138">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.43.v20210629"/>
@@ -53,8 +53,6 @@
       <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.13.v20210128-2225"/>
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       <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.14.v20210128-2225"/>
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       <unit id="org.apache.sshd.osgi.source" version="2.7.0.v20210623-0618"/>
       <unit id="org.apache.sshd.sftp" version="2.7.0.v20210623-0618"/>
@@ -85,8 +83,8 @@
       <unit id="org.objenesis.source" version="2.6.0.v20180420-1519"/>
       <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
       <unit id="org.slf4j.api.source" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.log4j12" version="1.7.30.v20201108-2042"/>
-      <unit id="org.slf4j.binding.log4j12.source" version="1.7.30.v20201108-2042"/>
+      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
+      <unit id="org.slf4j.binding.simple.source" version="1.7.30.v20200204-2150"/>
       <unit id="org.tukaani.xz" version="1.9.0.v20210624-1259"/>
       <unit id="org.tukaani.xz.source" version="1.9.0.v20210624-1259"/>
       <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20211213173813/repository"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20211213173813-2021-12.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20211213173813-2021-12.tpd
index ecb01deb90..aeeed562be 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20211213173813-2021-12.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20211213173813-2021-12.tpd
@@ -30,8 +30,6 @@ location "https://download.eclipse.org/tools/orbit/downloads/drops/R202112131738
 	org.apache.httpcomponents.httpclient.source [4.5.13.v20210128-2225,4.5.13.v20210128-2225]
 	org.apache.httpcomponents.httpcore [4.4.14.v20210128-2225,4.4.14.v20210128-2225]
 	org.apache.httpcomponents.httpcore.source [4.4.14.v20210128-2225,4.4.14.v20210128-2225]
-	org.apache.log4j [1.2.15.v201012070815,1.2.15.v201012070815]
-	org.apache.log4j.source [1.2.15.v201012070815,1.2.15.v201012070815]
 	org.apache.sshd.osgi [2.7.0.v20210623-0618,2.7.0.v20210623-0618]
 	org.apache.sshd.osgi.source [2.7.0.v20210623-0618,2.7.0.v20210623-0618]
 	org.apache.sshd.sftp [2.7.0.v20210623-0618,2.7.0.v20210623-0618]
@@ -62,8 +60,8 @@ location "https://download.eclipse.org/tools/orbit/downloads/drops/R202112131738
 	org.objenesis.source [2.6.0.v20180420-1519,2.6.0.v20180420-1519]
 	org.slf4j.api [1.7.30.v20200204-2150,1.7.30.v20200204-2150]
 	org.slf4j.api.source [1.7.30.v20200204-2150,1.7.30.v20200204-2150]
-	org.slf4j.binding.log4j12 [1.7.30.v20201108-2042,1.7.30.v20201108-2042]
-	org.slf4j.binding.log4j12.source [1.7.30.v20201108-2042,1.7.30.v20201108-2042]
+	org.slf4j.binding.simple [1.7.30.v20200204-2150,1.7.30.v20200204-2150]
+	org.slf4j.binding.simple.source [1.7.30.v20200204-2150,1.7.30.v20200204-2150]
 	org.tukaani.xz [1.9.0.v20210624-1259,1.9.0.v20210624-1259]
 	org.tukaani.xz.source [1.9.0.v20210624-1259,1.9.0.v20210624-1259]
 }
diff --git a/org.eclipse.jgit.pgm/build.properties b/org.eclipse.jgit.pgm/build.properties
index 4b38114d09..302dded85a 100644
--- a/org.eclipse.jgit.pgm/build.properties
+++ b/org.eclipse.jgit.pgm/build.properties
@@ -6,4 +6,4 @@ bin.includes = META-INF/,\
                .,\
                plugin.properties,\
                about.html,\
-               resources/log4j.properties
+               resources/simplelogger.properties
diff --git a/org.eclipse.jgit.pgm/pom.xml b/org.eclipse.jgit.pgm/pom.xml
index f8ec120ce5..1441bddf19 100644
--- a/org.eclipse.jgit.pgm/pom.xml
+++ b/org.eclipse.jgit.pgm/pom.xml
@@ -97,12 +97,7 @@
 
     <dependency>
       <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-log4j12</artifactId>
-    </dependency>
-
-    <dependency>
-      <groupId>log4j</groupId>
-      <artifactId>log4j</artifactId>
+      <artifactId>slf4j-simple</artifactId>
     </dependency>
 
     <dependency>
diff --git a/org.eclipse.jgit.pgm/resources/log4j.properties b/org.eclipse.jgit.pgm/resources/log4j.properties
deleted file mode 100644
index 1496c5a2cf..0000000000
--- a/org.eclipse.jgit.pgm/resources/log4j.properties
+++ /dev/null
@@ -1,6 +0,0 @@
-log4j.rootLogger=WARN, stderr
-
-log4j.appender.stderr=org.apache.log4j.ConsoleAppender
-log4j.appender.stderr.Target=System.err
-log4j.appender.stderr.layout=org.apache.log4j.PatternLayout
-log4j.appender.stderr.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
-\ No newline at end of file
diff --git a/org.eclipse.jgit.pgm/resources/simplelogger.properties b/org.eclipse.jgit.pgm/resources/simplelogger.properties
new file mode 100644
index 0000000000..98c19ce01d
--- /dev/null
+++ b/org.eclipse.jgit.pgm/resources/simplelogger.properties
@@ -0,0 +1,6 @@
+org.slf4j.simpleLogger.defaultLogLevel=warn
+org.slf4j.simpleLogger.logFile=System.err
+org.slf4j.simpleLogger.showDateTime=true
+org.slf4j.simpleLogger.dateTimeFormat=yyyy-MM-dd HH:mm:ss
+org.slf4j.simpleLogger.showThreadName=true
+org.slf4j.simpleLogger.showLogName=true
diff --git a/org.eclipse.jgit.ssh.apache.test/build.properties b/org.eclipse.jgit.ssh.apache.test/build.properties
index 406c5a768f..35d7145160 100644
--- a/org.eclipse.jgit.ssh.apache.test/build.properties
+++ b/org.eclipse.jgit.ssh.apache.test/build.properties
@@ -3,5 +3,4 @@ output.. = bin/
 bin.includes = META-INF/,\
                .,\
                plugin.properties
-additional.bundles = org.apache.log4j,\
-                     org.slf4j.binding.log4j12
+additional.bundles = org.slf4j.binding.simple
diff --git a/org.eclipse.jgit.test/build.properties b/org.eclipse.jgit.test/build.properties
index b527a74790..212c8bd4d7 100644
--- a/org.eclipse.jgit.test/build.properties
+++ b/org.eclipse.jgit.test/build.properties
@@ -7,5 +7,4 @@ bin.includes = META-INF/,\
                plugin.properties,\
                bin-tst/,\
                bin/
-additional.bundles = org.apache.log4j,\
-                     org.slf4j.binding.log4j12
+additional.bundles = org.slf4j.binding.simple
diff --git a/org.eclipse.jgit.test/tests.bzl b/org.eclipse.jgit.test/tests.bzl
index 34df07d5e6..e201bdbcb3 100644
--- a/org.eclipse.jgit.test/tests.bzl
+++ b/org.eclipse.jgit.test/tests.bzl
@@ -36,7 +36,7 @@ def tests(tests):
             ]
         if src.endswith("SecurityManagerMissingPermissionsTest.java"):
             additional_deps = [
-                "//lib:log4j",
+                "//lib:slf4j-simple",
             ]
         if src.endswith("JDKHttpConnectionTest.java"):
             additional_deps = [
@@ -68,6 +68,7 @@ def tests(tests):
                 "//lib:javaewah",
                 "//lib:junit",
                 "//lib:slf4j-api",
+                "//lib:slf4j-simple",
                 "//org.eclipse.jgit:jgit",
                 "//org.eclipse.jgit.junit:junit",
                 "//org.eclipse.jgit.lfs:jgit-lfs",
diff --git a/org.eclipse.jgit.test/tst-rsrc/log4j.properties b/org.eclipse.jgit.test/tst-rsrc/log4j.properties
deleted file mode 100644
index 856a731ab9..0000000000
--- a/org.eclipse.jgit.test/tst-rsrc/log4j.properties
+++ /dev/null
@@ -1,14 +0,0 @@
-
-# Root logger option
-log4j.rootLogger=INFO, stdout
-
-# Direct log messages to stdout
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-log4j.appender.stdout.Target=System.out
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
-log4j.appender.fileLogger.bufferedIO = true
-log4j.appender.fileLogger.bufferSize = 4096
-
-#log4j.logger.org.eclipse.jgit.util.FS = DEBUG
-#log4j.logger.org.eclipse.jgit.internal.storage.file.FileSnapshot = DEBUG
diff --git a/org.eclipse.jgit.test/tst-rsrc/simplelogger.properties b/org.eclipse.jgit.test/tst-rsrc/simplelogger.properties
index 011b2f8bb0..235fea21ac 100644
--- a/org.eclipse.jgit.test/tst-rsrc/simplelogger.properties
+++ b/org.eclipse.jgit.test/tst-rsrc/simplelogger.properties
@@ -1,9 +1,9 @@
-org.slf4j.simpleLogger.logFile = System.err
-org.slf4j.simpleLogger.cacheOutputStream = true
-org.slf4j.simpleLogger.defaultLogLevel = info
-org.slf4j.simpleLogger.showDateTime = true
-org.slf4j.simpleLogger.dateTimeFormat = HH:mm:ss.SSSXXX
-org.slf4j.simpleLogger.showThreadName = true
+org.slf4j.simpleLogger.defaultLogLevel=info
+org.slf4j.simpleLogger.logFile=System.err
+org.slf4j.simpleLogger.showDateTime=true
+org.slf4j.simpleLogger.dateTimeFormat=yyyy-MM-dd HH:mm:ss
+org.slf4j.simpleLogger.showThreadName=true
+org.slf4j.simpleLogger.showLogName=true
 
 #org.slf4j.simpleLogger.log.org.eclipse.jgit.util.FS = debug
 #org.slf4j.simpleLogger.log.org.eclipse.jgit.internal.storage.file.FileSnapshot = debug
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/SecurityManagerMissingPermissionsTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/SecurityManagerMissingPermissionsTest.java
index a07f37009e..d0fbdbd090 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/SecurityManagerMissingPermissionsTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/SecurityManagerMissingPermissionsTest.java
@@ -13,17 +13,15 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
-import java.io.StringWriter;
+import java.io.PrintStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.Policy;
 import java.util.Collections;
 
-import org.apache.log4j.Logger;
-import org.apache.log4j.PatternLayout;
-import org.apache.log4j.WriterAppender;
 import org.eclipse.jgit.junit.RepositoryTestCase;
 import org.eclipse.jgit.util.FileUtils;
 import org.junit.After;
@@ -38,25 +36,21 @@ public class SecurityManagerMissingPermissionsTest extends RepositoryTestCase {
 	/**
 	 * Collects all logging sent to the logging system.
 	 */
-	private final StringWriter errorOutputWriter = new StringWriter();
-
-	/**
-	 * Appender to intercept all logging sent to the logging system.
-	 */
-	private WriterAppender appender;
+	private final ByteArrayOutputStream errorOutput = new ByteArrayOutputStream();
 
 	private SecurityManager originalSecurityManager;
 
+	private PrintStream defaultErrorOutput;
+
 	@Override
 	@Before
 	public void setUp() throws Exception {
 		originalSecurityManager = System.getSecurityManager();
 
-		appender = new WriterAppender(
-				new PatternLayout(PatternLayout.TTCC_CONVERSION_PATTERN),
-				errorOutputWriter);
-
-		Logger.getRootLogger().addAppender(appender);
+		// slf4j-simple logs to System.err, redirect it to enable asserting
+		// logged errors
+		defaultErrorOutput = System.err;
+		System.setErr(new PrintStream(errorOutput));
 
 		refreshPolicyAllPermission(Policy.getPolicy());
 		System.setSecurityManager(new SecurityManager());
@@ -85,14 +79,14 @@ public class SecurityManagerMissingPermissionsTest extends RepositoryTestCase {
 
 		addRepoToClose(git.getRepository());
 
-		assertEquals("", errorOutputWriter.toString());
+		assertEquals("", errorOutput.toString());
 	}
 
 	@Override
 	@After
 	public void tearDown() throws Exception {
 		System.setSecurityManager(originalSecurityManager);
-		Logger.getRootLogger().removeAppender(appender);
+		System.setErr(defaultErrorOutput);
 		super.tearDown();
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java
index f289a922bb..5adf7faf20 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java
@@ -99,7 +99,7 @@ import org.slf4j.LoggerFactory;
 public class WalkEncryptionTest {
 
 	/**
-	 * Logger setup: ${project_loc}/tst-rsrc/log4j.properties
+	 * Logger setup: ${project_loc}/tst-rsrc/simplelogger.properties
 	 */
 	static final Logger logger = LoggerFactory.getLogger(WalkEncryptionTest.class);
 
diff --git a/pom.xml b/pom.xml
index 5f73b2a316..d73e77fe8f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -167,7 +167,6 @@
     <httpclient-version>4.5.13</httpclient-version>
     <httpcore-version>4.4.14</httpcore-version>
     <slf4j-version>1.7.30</slf4j-version>
-    <log4j-version>1.2.15</log4j-version>
     <maven-javadoc-plugin-version>3.3.1</maven-javadoc-plugin-version>
     <tycho-extras-version>1.7.0</tycho-extras-version>
     <gson-version>2.8.8</gson-version>
@@ -743,35 +742,11 @@
 
       <dependency>
         <groupId>org.slf4j</groupId>
-        <artifactId>slf4j-log4j12</artifactId>
+        <artifactId>slf4j-simple</artifactId>
         <version>${slf4j-version}</version>
       </dependency>
 
       <dependency>
-        <groupId>log4j</groupId>
-        <artifactId>log4j</artifactId>
-        <version>${log4j-version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>javax.mail</groupId>
-            <artifactId>mail</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>javax.jms</groupId>
-            <artifactId>jms</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>com.sun.jdmk</groupId>
-            <artifactId>jmxtools</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>com.sun.jmx</groupId>
-            <artifactId>jmxri</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
-
-      <dependency>
         <groupId>com.google.code.gson</groupId>
         <artifactId>gson</artifactId>
         <version>${gson-version}</version>
author	Matthias Sohn <matthias.sohn@sap.com>	2021-12-16 18:42:45 +0100
committer	Matthias Sohn <matthias.sohn@sap.com>	2021-12-31 01:09:52 +0100
commit	486afbc08d4689105019f77bf1ca0d1a2fc5ab0f (patch)
tree	94b4251020206fe7bb62987d79f482feb20783f0
parent	e06eeb0167e45f9c8c30f416ea0366cc8924533d (diff)
download	jgit-486afbc08d4689105019f77bf1ca0d1a2fc5ab0f.tar.gz jgit-486afbc08d4689105019f77bf1ca0d1a2fc5ab0f.zip