SONAR-8684 Cleanup code related to rails

Signed-off-by: Julien Lancelot <julien.lancelot@sonarsource.com>

28 files changed, 13 insertions, 522 deletions

diff --git a/it/it-tests/src/test/java/it/user/LocalAuthenticationTest.java b/it/it-tests/src/test/java/it/user/LocalAuthenticationTest.java
index 1680459ab1b..5cf74a17343 100644
--- a/it/it-tests/src/test/java/it/user/LocalAuthenticationTest.java
+++ b/it/it-tests/src/test/java/it/user/LocalAuthenticationTest.java
@@ -159,9 +159,6 @@ public class LocalAuthenticationTest {
     // TODO selenium
   }
 
-  /**
-   * This is currently a limitation of Ruby on Rails stack.
-   */
   @Test
   public void basic_authentication_does_not_support_utf8_passwords() {
     String login = LOGIN;
diff --git a/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java b/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java
index bc6e8f09234..5d607377b71 100644
--- a/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java
+++ b/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java
@@ -293,7 +293,7 @@ public class ComputeEngineContainerImpl implements ComputeEngineContainer {
     return new Object[] {
       ResourceTypes.class,
       DefaultResourceTypes.get(),
-      Periods.class, // used by JRuby and EvaluationResultTextConverterImpl
+      Periods.class,
 
       // quality profile
       ActiveRuleIndexer.class,
diff --git a/server/sonar-process-monitor/src/test/resources/org/sonar/process/ProcessTest/sonar.properties b/server/sonar-process-monitor/src/test/resources/org/sonar/process/ProcessTest/sonar.properties
deleted file mode 100644
index efd29888d3d..00000000000
--- a/server/sonar-process-monitor/src/test/resources/org/sonar/process/ProcessTest/sonar.properties
+++ /dev/null
@@ -1,147 +0,0 @@
-# This file must contain only ISO 8859-1 characters
-# see http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Properties.html#load(java.io.InputStream)
-#
-# To use an environment variable, use the following syntax :  ${env:NAME_OF_ENV_VARIABLE}
-# For example:
-#   sonar.jdbc.url= ${env:SONAR_JDBC_URL}
-#
-#
-# See also the file conf/wrapper.conf for JVM advanced settings
-
-
-
-#--------------------------------------------------------------------------------------------------
-# DATABASE
-#
-# IMPORTANT: the embedded H2 database is used by default. It is recommended for tests only.
-# Please use a production-ready database. Supported databases are MySQL, Oracle, PostgreSQL
-# and Microsoft SQLServer.
-
-# Permissions to create tables, indices and triggers must be granted to JDBC user.
-# The schema must be created first.
-sonar.jdbc.username=sonar
-sonar.jdbc.password=sonar
-
-#----- Embedded database H2
-# Note: it does not accept connections from remote hosts, so the
-# SonarQube server and the maven plugin must be executed on the same host.
-
-# Comment the following line to deactivate the default embedded database.
-sonar.jdbc.url=jdbc:h2:tcp://localhost:9092/sonar
-
-# directory containing H2 database files. By default it's the /data directory in the SonarQube installation.
-#sonar.embeddedDatabase.dataDir=
-# H2 embedded database server listening port, defaults to 9092
-#sonar.embeddedDatabase.port=9092
-
-
-#----- MySQL 5.x
-# Comment the embedded database and uncomment the following line to use MySQL
-#sonar.jdbc.url=jdbc:mysql://localhost:3306/sonar?useUnicode=true&characterEncoding=utf8&rewriteBatchedStatements=true
-
-
-#----- Oracle 10g/11g
-# To connect to Oracle database:
-#
-# - It's recommended to use the latest version of the JDBC driver (ojdbc6.jar).
-#   Download it in http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-112010-090769.html
-# - Copy the driver to the directory extensions/jdbc-driver/oracle/
-# - If you need to set the schema, please refer to http://jira.sonarsource.com/browse/SONAR-5000
-# - Comment the embedded database and uncomment the following line:
-#sonar.jdbc.url=jdbc:oracle:thin:@localhost/XE
-
-
-#----- PostgreSQL 8.x/9.x
-# Comment the embedded database and uncomment the following property to use PostgreSQL.
-# If you don't use the schema named "public", please refer to http://jira.sonarsource.com/browse/SONAR-5000
-#sonar.jdbc.url=jdbc:postgresql://localhost/sonar
-
-
-#----- Microsoft SQLServer
-# The Jtds open source driver is available in extensions/jdbc-driver/mssql. More details on http://jtds.sourceforge.net
-#sonar.jdbc.url=jdbc:jtds:sqlserver://localhost/sonar;SelectMethod=Cursor
-
-
-#----- Connection pool settings
-sonar.jdbc.maxActive=20
-sonar.jdbc.maxIdle=5
-sonar.jdbc.minIdle=2
-sonar.jdbc.maxWait=5000
-sonar.jdbc.minEvictableIdleTimeMillis=600000
-sonar.jdbc.timeBetweenEvictionRunsMillis=30000
-
-
-
-#--------------------------------------------------------------------------------------------------
-# WEB SERVER
-
-# Binding IP address. For servers with more than one IP address, this property specifies which
-# address will be used for listening on the specified ports.
-# By default, ports will be used on all IP addresses associated with the server.
-#sonar.web.host=0.0.0.0
-
-# Web context. When set, it must start with forward slash (for example /sonarqube).
-# The default value is root context (empty value).
-#sonar.web.context=
-
-# TCP port for incoming HTTP connections. Disabled when value is -1.
-#sonar.web.port=9000
-
-# The maximum number of connections that the server will accept and process at any given time.
-# When this number has been reached, the server will not accept any more connections until
-# the number of connections falls below this value. The operating system may still accept connections
-# based on the sonar.web.connections.acceptCount property. The default value is 50 for each
-# enabled connector.
-#sonar.web.http.maxThreads=50
-
-# The minimum number of threads always kept running. The default value is 5 for each
-# enabled connector.
-#sonar.web.http.minThreads=5
-
-# The maximum queue length for incoming connection requests when all possible request processing
-# threads are in use. Any requests received when the queue is full will be refused.
-# The default value is 25 for each enabled connector.
-#sonar.web.http.acceptCount=25
-
-# Access logs are generated in the file logs/access.log. This file is rolled over when it's 5Mb.
-# An archive of 3 files is kept in the same directory.
-# Access logs are enabled by default.
-#sonar.web.accessLogs.enable=true
-
-#--------------------------------------------------------------------------------------------------
-# UPDATE CENTER
-
-# The Update Center requires an internet connection to request https://update.sonarsource.org
-# It is enabled by default.
-#sonar.updatecenter.activate=true
-
-# HTTP proxy (default none)
-#http.proxyHost=
-#http.proxyPort=
-
-# NT domain name if NTLM proxy is used
-#http.auth.ntlm.domain=
-
-# SOCKS proxy (default none)
-#socksProxyHost=
-#socksProxyPort=
-
-# proxy authentication. The 2 following properties are used for HTTP and SOCKS proxies.
-#http.proxyUser=
-#http.proxyPassword=
-
-
-#--------------------------------------------------------------------------------------------------
-# NOTIFICATIONS
-
-# Delay in seconds between processing of notification queue. Default is 60.
-#sonar.notifications.delay=60
-
-
-
-#--------------------------------------------------------------------------------------------------
-# DEVELOPMENT MODE
-# Only for debugging
-
-# Set to true to apply Ruby on Rails code changes on the fly
-#sonar.rails.dev=false
diff --git a/server/sonar-process/src/main/java/org/sonar/process/ProcessProperties.java b/server/sonar-process/src/main/java/org/sonar/process/ProcessProperties.java
index 197887d6eab..fb92d468256 100644
--- a/server/sonar-process/src/main/java/org/sonar/process/ProcessProperties.java
+++ b/server/sonar-process/src/main/java/org/sonar/process/ProcessProperties.java
@@ -67,9 +67,7 @@ public class ProcessProperties {
    */
   public static final String ENABLE_STOP_COMMAND = "sonar.enableStopCommand";
 
-  public static final String WEB_ENFORCED_JVM_ARGS = "-Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djruby.management.enabled=false " +
-  // jruby is slow with java 8: https://jira.sonarsource.com/browse/SONAR-6115
-    "-Djruby.compile.invokedynamic=false";
+  public static final String WEB_ENFORCED_JVM_ARGS = "-Djava.awt.headless=true -Dfile.encoding=UTF-8";
 
   public static final String CE_ENFORCED_JVM_ARGS = "-Djava.awt.headless=true -Dfile.encoding=UTF-8";
 
diff --git a/server/sonar-process/src/test/resources/org/sonar/process/ProcessTest/sonar.properties b/server/sonar-process/src/test/resources/org/sonar/process/ProcessTest/sonar.properties
deleted file mode 100644
index efd29888d3d..00000000000
--- a/server/sonar-process/src/test/resources/org/sonar/process/ProcessTest/sonar.properties
+++ /dev/null
@@ -1,147 +0,0 @@
-# This file must contain only ISO 8859-1 characters
-# see http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Properties.html#load(java.io.InputStream)
-#
-# To use an environment variable, use the following syntax :  ${env:NAME_OF_ENV_VARIABLE}
-# For example:
-#   sonar.jdbc.url= ${env:SONAR_JDBC_URL}
-#
-#
-# See also the file conf/wrapper.conf for JVM advanced settings
-
-
-
-#--------------------------------------------------------------------------------------------------
-# DATABASE
-#
-# IMPORTANT: the embedded H2 database is used by default. It is recommended for tests only.
-# Please use a production-ready database. Supported databases are MySQL, Oracle, PostgreSQL
-# and Microsoft SQLServer.
-
-# Permissions to create tables, indices and triggers must be granted to JDBC user.
-# The schema must be created first.
-sonar.jdbc.username=sonar
-sonar.jdbc.password=sonar
-
-#----- Embedded database H2
-# Note: it does not accept connections from remote hosts, so the
-# SonarQube server and the maven plugin must be executed on the same host.
-
-# Comment the following line to deactivate the default embedded database.
-sonar.jdbc.url=jdbc:h2:tcp://localhost:9092/sonar
-
-# directory containing H2 database files. By default it's the /data directory in the SonarQube installation.
-#sonar.embeddedDatabase.dataDir=
-# H2 embedded database server listening port, defaults to 9092
-#sonar.embeddedDatabase.port=9092
-
-
-#----- MySQL 5.x
-# Comment the embedded database and uncomment the following line to use MySQL
-#sonar.jdbc.url=jdbc:mysql://localhost:3306/sonar?useUnicode=true&characterEncoding=utf8&rewriteBatchedStatements=true
-
-
-#----- Oracle 10g/11g
-# To connect to Oracle database:
-#
-# - It's recommended to use the latest version of the JDBC driver (ojdbc6.jar).
-#   Download it in http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-112010-090769.html
-# - Copy the driver to the directory extensions/jdbc-driver/oracle/
-# - If you need to set the schema, please refer to http://jira.sonarsource.com/browse/SONAR-5000
-# - Comment the embedded database and uncomment the following line:
-#sonar.jdbc.url=jdbc:oracle:thin:@localhost/XE
-
-
-#----- PostgreSQL 8.x/9.x
-# Comment the embedded database and uncomment the following property to use PostgreSQL.
-# If you don't use the schema named "public", please refer to http://jira.sonarsource.com/browse/SONAR-5000
-#sonar.jdbc.url=jdbc:postgresql://localhost/sonar
-
-
-#----- Microsoft SQLServer
-# The Jtds open source driver is available in extensions/jdbc-driver/mssql. More details on http://jtds.sourceforge.net
-#sonar.jdbc.url=jdbc:jtds:sqlserver://localhost/sonar;SelectMethod=Cursor
-
-
-#----- Connection pool settings
-sonar.jdbc.maxActive=20
-sonar.jdbc.maxIdle=5
-sonar.jdbc.minIdle=2
-sonar.jdbc.maxWait=5000
-sonar.jdbc.minEvictableIdleTimeMillis=600000
-sonar.jdbc.timeBetweenEvictionRunsMillis=30000
-
-
-
-#--------------------------------------------------------------------------------------------------
-# WEB SERVER
-
-# Binding IP address. For servers with more than one IP address, this property specifies which
-# address will be used for listening on the specified ports.
-# By default, ports will be used on all IP addresses associated with the server.
-#sonar.web.host=0.0.0.0
-
-# Web context. When set, it must start with forward slash (for example /sonarqube).
-# The default value is root context (empty value).
-#sonar.web.context=
-
-# TCP port for incoming HTTP connections. Disabled when value is -1.
-#sonar.web.port=9000
-
-# The maximum number of connections that the server will accept and process at any given time.
-# When this number has been reached, the server will not accept any more connections until
-# the number of connections falls below this value. The operating system may still accept connections
-# based on the sonar.web.connections.acceptCount property. The default value is 50 for each
-# enabled connector.
-#sonar.web.http.maxThreads=50
-
-# The minimum number of threads always kept running. The default value is 5 for each
-# enabled connector.
-#sonar.web.http.minThreads=5
-
-# The maximum queue length for incoming connection requests when all possible request processing
-# threads are in use. Any requests received when the queue is full will be refused.
-# The default value is 25 for each enabled connector.
-#sonar.web.http.acceptCount=25
-
-# Access logs are generated in the file logs/access.log. This file is rolled over when it's 5Mb.
-# An archive of 3 files is kept in the same directory.
-# Access logs are enabled by default.
-#sonar.web.accessLogs.enable=true
-
-#--------------------------------------------------------------------------------------------------
-# UPDATE CENTER
-
-# The Update Center requires an internet connection to request https://update.sonarsource.org
-# It is enabled by default.
-#sonar.updatecenter.activate=true
-
-# HTTP proxy (default none)
-#http.proxyHost=
-#http.proxyPort=
-
-# NT domain name if NTLM proxy is used
-#http.auth.ntlm.domain=
-
-# SOCKS proxy (default none)
-#socksProxyHost=
-#socksProxyPort=
-
-# proxy authentication. The 2 following properties are used for HTTP and SOCKS proxies.
-#http.proxyUser=
-#http.proxyPassword=
-
-
-#--------------------------------------------------------------------------------------------------
-# NOTIFICATIONS
-
-# Delay in seconds between processing of notification queue. Default is 60.
-#sonar.notifications.delay=60
-
-
-
-#--------------------------------------------------------------------------------------------------
-# DEVELOPMENT MODE
-# Only for debugging
-
-# Set to true to apply Ruby on Rails code changes on the fly
-#sonar.rails.dev=false
diff --git a/server/sonar-server/src/main/java/org/sonar/server/app/EmbeddedTomcat.java b/server/sonar-server/src/main/java/org/sonar/server/app/EmbeddedTomcat.java
index a3de4ace39a..ee3d4b81dd2 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/app/EmbeddedTomcat.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/app/EmbeddedTomcat.java
@@ -42,7 +42,6 @@ class EmbeddedTomcat {
 
   void start() {
     // '%2F' (slash /) and '%5C' (backslash \) are permitted as path delimiters in URLs
-    // See Ruby on Rails url_for
     System.setProperty("org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH", "true");
 
     System.setProperty("org.apache.catalina.startup.EXIT_ON_INIT_FAILURE", "true");
diff --git a/server/sonar-server/src/main/java/org/sonar/server/app/TomcatContexts.java b/server/sonar-server/src/main/java/org/sonar/server/app/TomcatContexts.java
index a12cc406cf1..f514c28cc09 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/app/TomcatContexts.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/app/TomcatContexts.java
@@ -24,7 +24,6 @@ import java.io.File;
 import java.io.IOException;
 import java.util.Map;
 import javax.servlet.ServletException;
-import org.apache.catalina.Context;
 import org.apache.catalina.core.StandardContext;
 import org.apache.catalina.startup.Tomcat;
 import org.apache.commons.io.FileUtils;
@@ -45,8 +44,6 @@ import static org.apache.commons.lang.StringUtils.isEmpty;
  */
 public class TomcatContexts {
 
-  private static final String JRUBY_MAX_RUNTIMES = "jruby.max.runtimes";
-  private static final String RAILS_ENV = "rails.env";
   public static final String PROPERTY_CONTEXT = "sonar.web.context";
   public static final String WEB_DEPLOY_PATH_RELATIVE_TO_DATA_DIR = "web/deploy";
 
@@ -65,7 +62,6 @@ public class TomcatContexts {
     addStaticDir(tomcat, getContextPath(props) + "/deploy", new File(props.nonNullValueAsFile(ProcessProperties.PATH_DATA), WEB_DEPLOY_PATH_RELATIVE_TO_DATA_DIR));
 
     StandardContext webapp = addContext(tomcat, getContextPath(props), webappDir(props));
-    configureRails(props, webapp);
     for (Map.Entry<Object, Object> entry : props.rawProperties().entrySet()) {
       String key = entry.getKey().toString();
       webapp.addParameter(key, entry.getValue().toString());
@@ -118,21 +114,6 @@ public class TomcatContexts {
     }
   }
 
-  static void configureRails(Props props, Context context) {
-    // sonar.dev is kept for backward-compatibility
-    if (props.valueAsBoolean("sonar.dev", false)) {
-      props.set("sonar.web.dev", "true");
-    }
-    if (props.valueAsBoolean("sonar.web.dev", false)) {
-      context.addParameter(RAILS_ENV, "development");
-      context.addParameter(JRUBY_MAX_RUNTIMES, "3");
-      Loggers.get(TomcatContexts.class).warn("WEB DEVELOPMENT MODE IS ENABLED - DO NOT USE FOR PRODUCTION USAGE");
-    } else {
-      context.addParameter(RAILS_ENV, "production");
-      context.addParameter(JRUBY_MAX_RUNTIMES, "1");
-    }
-  }
-
   static File webappDir(Props props) {
     String devDir = props.value("sonar.web.dev.sources");
     File dir;
diff --git a/server/sonar-server/src/main/java/org/sonar/server/debt/DebtModelService.java b/server/sonar-server/src/main/java/org/sonar/server/debt/DebtModelService.java
index a4cf7b2b756..a201d822f25 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/debt/DebtModelService.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/debt/DebtModelService.java
@@ -27,7 +27,6 @@ import org.sonar.api.server.debt.DebtModel;
 import org.sonar.api.utils.ValidationMessages;
 
 /**
- * Used through ruby code <pre>Internal.debt</pre>
  * Also used by SQALE plugin.
  */
 public class DebtModelService implements DebtModel {
diff --git a/server/sonar-server/src/main/java/org/sonar/server/notification/email/EmailNotificationChannel.java b/server/sonar-server/src/main/java/org/sonar/server/notification/email/EmailNotificationChannel.java
index 1a55f2ac133..1e05b5bc998 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/notification/email/EmailNotificationChannel.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/notification/email/EmailNotificationChannel.java
@@ -205,7 +205,7 @@ public class EmailNotificationChannel extends NotificationChannel {
   }
 
   /**
-   * Send test email. This method called from Ruby.
+   * Send test email.
    *
    * @throws EmailException when unable to send
    */
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java b/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java
index 1ca7998c81d..f726d460559 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java
@@ -23,7 +23,6 @@ import com.google.common.collect.Lists;
 import java.util.Collection;
 import java.util.List;
 import java.util.Properties;
-import javax.annotation.CheckForNull;
 import javax.servlet.ServletContext;
 import org.sonar.api.utils.log.Logger;
 import org.sonar.api.utils.log.Loggers;
@@ -64,17 +63,6 @@ public class Platform {
     return INSTANCE;
   }
 
-  /**
-   * Used by ruby code
-   */
-  @CheckForNull
-  public static <T> T component(Class<T> type) {
-    if (INSTANCE.started) {
-      return INSTANCE.getContainer().getComponentByType(type);
-    }
-    return null;
-  }
-
   public void init(Properties properties, ServletContext servletContext) {
     this.properties = properties;
     this.servletContext = servletContext;
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/web/PlatformServletContextListener.java b/server/sonar-server/src/main/java/org/sonar/server/platform/web/PlatformServletContextListener.java
index d83304190e7..cf7387db8e4 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/web/PlatformServletContextListener.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/web/PlatformServletContextListener.java
@@ -46,10 +46,7 @@ public final class PlatformServletContextListener implements ServletContextListe
       event.getServletContext().setAttribute(STARTED_ATTRIBUTE, Boolean.TRUE);
 
     } catch (Throwable t) {
-      // Tomcat 7 "limitations":
-      // - server does not stop if webapp fails at startup
-      // - the second listener for jruby on rails is started even if this listener fails. It generates
-      // unexpected errors
+      // Tomcat 7 "limitations": server does not stop if webapp fails at startup
       stopQuietly();
       throw Throwables.propagate(t);
     }
diff --git a/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileExporters.java b/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileExporters.java
index 983d30edfd3..acfe985363f 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileExporters.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileExporters.java
@@ -25,7 +25,6 @@ import com.google.common.collect.Lists;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
-import java.io.StringWriter;
 import java.io.Writer;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
@@ -113,15 +112,6 @@ public class QProfileExporters {
     exporter.exportProfile(wrap(profile), writer);
   }
 
-  /**
-   * Only for ruby on rails
-   */
-  public String export(String profileKey, String tool) {
-    StringWriter writer = new StringWriter();
-    export(profileKey, tool, writer);
-    return writer.toString();
-  }
-
   private RulesProfile wrap(QualityProfileDto profile) {
     DbSession dbSession = dbClient.openSession(false);
     RulesProfile target = new RulesProfile(profile.getName(), profile.getLanguage());
diff --git a/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileService.java b/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileService.java
index 991ae55a881..cdc2687809b 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileService.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/qualityprofile/QProfileService.java
@@ -19,7 +19,6 @@
  */
 package org.sonar.server.qualityprofile;
 
-import java.io.StringWriter;
 import java.io.Writer;
 import java.util.List;
 import javax.annotation.CheckForNull;
@@ -96,16 +95,6 @@ public class QProfileService {
   }
 
   /**
-   * @deprecated used only by Ruby on Rails. Use {@link #backup(String, java.io.Writer)}
-   */
-  @Deprecated
-  public String backup(String profileKey) {
-    StringWriter output = new StringWriter();
-    backup(profileKey, output);
-    return output.toString();
-  }
-
-  /**
    * Used in /api/profiles and in /profiles/export
    */
   @CheckForNull
diff --git a/server/sonar-server/src/main/java/org/sonar/server/util/ClassLoaderUtils.java b/server/sonar-server/src/main/java/org/sonar/server/util/ClassLoaderUtils.java
index a5df8a85bb8..b5b370d911c 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/util/ClassLoaderUtils.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/util/ClassLoaderUtils.java
@@ -21,18 +21,14 @@ package org.sonar.server.util;
 
 import com.google.common.base.Throwables;
 import com.google.common.collect.Lists;
-import java.io.File;
-import java.io.IOException;
 import java.net.URL;
 import java.net.URLDecoder;
 import java.util.Collection;
 import java.util.Enumeration;
-import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import javax.annotation.Nullable;
-import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang.CharEncoding;
 import org.apache.commons.lang.StringUtils;
 import org.sonar.api.utils.log.Loggers;
@@ -43,22 +39,6 @@ public class ClassLoaderUtils {
     // only static methods
   }
 
-  public static File copyResources(ClassLoader classLoader, String rootPath, File toDir, Function<String, String> relocationFunction) {
-    Collection<String> relativePaths = listFiles(classLoader, rootPath);
-    for (String relativePath : relativePaths) {
-      URL resource = classLoader.getResource(relativePath);
-      String filename = relocationFunction.apply(relativePath);
-      File toFile = new File(toDir, filename);
-      try {
-        FileUtils.copyURLToFile(resource, toFile);
-      } catch (IOException e) {
-        throw new IllegalStateException("Fail to extract " + relativePath + " to " + toFile.getAbsolutePath(), e);
-      }
-    }
-
-    return toDir;
-  }
-
   /**
    * Finds files within a given directory and its subdirectories
    *
@@ -89,14 +69,14 @@ public class ClassLoaderUtils {
 
         // Path of the root directory
         // Examples :
-        // org/sonar/sqale/index.txt  -> rootDirectory is org/sonar/sqale
-        // org/sonar/sqale/  -> rootDirectory is org/sonar/sqale
-        // org/sonar/sqale  -> rootDirectory is org/sonar/sqale
+        // org/sonar/sqale/index.txt -> rootDirectory is org/sonar/sqale
+        // org/sonar/sqale/ -> rootDirectory is org/sonar/sqale
+        // org/sonar/sqale -> rootDirectory is org/sonar/sqale
         String rootDirectory = rootPath;
         if (StringUtils.substringAfterLast(rootPath, "/").indexOf('.') >= 0) {
           rootDirectory = StringUtils.substringBeforeLast(rootPath, "/");
         }
-        //strip out only the JAR file
+        // strip out only the JAR file
         jarPath = root.getPath().substring(5, root.getPath().indexOf('!'));
         jar = new JarFile(URLDecoder.decode(jarPath, CharEncoding.UTF_8));
         Enumeration<JarEntry> entries = jar.entries();
diff --git a/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/example-system-info.json b/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/example-system-info.json
index 891f2616978..a7f679e72e6 100644
--- a/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/example-system-info.json
+++ b/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/example-system-info.json
@@ -145,8 +145,6 @@
     "java.vm.specification.version": "1.7",
     "java.vm.vendor": "Oracle Corporation",
     "java.vm.version": "24.71-b01",
-    "jruby.compile.invokedynamic": "false",
-    "jruby.management.enabled": "false",
     "line.separator": "\n",
     "org.apache.catalina.startup.EXIT_ON_INIT_FAILURE": "true",
     "org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH": "true",
diff --git a/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/logs-example.log b/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/logs-example.log
index 6a101b16082..c5cc421ffd5 100644
--- a/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/logs-example.log
+++ b/server/sonar-server/src/main/resources/org/sonar/server/platform/ws/logs-example.log
@@ -6,7 +6,7 @@ Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org
 2016.11.17 16:26:33 INFO  app[][o.s.a.AppFileSystem] Cleaning or creating temp directory /Users/me/sonarqube-6.2/temp
 2016.11.17 16:26:33 INFO  app[][o.s.p.m.JavaProcessLauncher] Launch process[es]: /Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/bin/java -Djava.awt.headless=true -Xmx1G -Xms256m -Xss256k -Djna.nosys=true -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError -Djava.io.tmpdir=/Users/me/sonarqube-6.2/temp -javaagent:/Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/lib/management-agent.jar -cp ./lib/common/*:./lib/search/* org.sonar.search.SearchServer /Users/me/sonarqube-6.2/temp/sq-process607963922619414430properties
 2016.11.17 16:26:39 INFO  app[][o.s.p.m.Monitor] Process[es] is up
-2016.11.17 16:26:39 INFO  app[][o.s.p.m.JavaProcessLauncher] Launch process[web]: /Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/bin/java -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djruby.management.enabled=false -Djruby.compile.invokedynamic=false -Xmx512m -Xms128m -XX:+HeapDumpOnOutOfMemoryError -Djava.io.tmpdir=/Users/me/sonarqube-6.2/temp -javaagent:/Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/lib/management-agent.jar -cp ./lib/common/*:./lib/server/*:/Users/me/sonarqube-6.2/lib/jdbc/h2/h2-1.3.176.jar org.sonar.server.app.WebServer /Users/me/sonarqube-6.2/temp/sq-process8504251823484440932properties
+2016.11.17 16:26:39 INFO  app[][o.s.p.m.JavaProcessLauncher] Launch process[web]: /Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/bin/java -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Xmx512m -Xms128m -XX:+HeapDumpOnOutOfMemoryError -Djava.io.tmpdir=/Users/me/sonarqube-6.2/temp -javaagent:/Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/lib/management-agent.jar -cp ./lib/common/*:./lib/server/*:/Users/me/sonarqube-6.2/lib/jdbc/h2/h2-1.3.176.jar org.sonar.server.app.WebServer /Users/me/sonarqube-6.2/temp/sq-process8504251823484440932properties
 2016.11.17 16:26:59 INFO  app[][o.s.p.m.Monitor] Process[web] is up
 2016.11.17 16:26:59 INFO  app[][o.s.p.m.JavaProcessLauncher] Launch process[ce]: /Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/bin/java -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Xmx512m -Xms128m -XX:+HeapDumpOnOutOfMemoryError -Djava.io.tmpdir=/Users/me/sonarqube-6.2/temp -javaagent:/Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/lib/management-agent.jar -cp ./lib/common/*:./lib/server/*:./lib/ce/*:/Users/me/sonarqube-6.2/lib/jdbc/h2/h2-1.3.176.jar org.sonar.ce.app.CeServer /Users/me/sonarqube-6.2/temp/sq-process6754313832695376518properties
 2016.11.17 16:27:04 INFO  app[][o.s.p.m.Monitor] Process[ce] is up
diff --git a/server/sonar-server/src/main/resources/org/sonar/server/ruby/call_invalidate_metric_cache.rb b/server/sonar-server/src/main/resources/org/sonar/server/ruby/call_invalidate_metric_cache.rb
deleted file mode 100644
index 6ead450460b..00000000000
--- a/server/sonar-server/src/main/resources/org/sonar/server/ruby/call_invalidate_metric_cache.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-# this script defines a method which calls the class method "clear_cache" of the Metric class defined
-# in /server/sonar-web/src/main/webapp/WEB-INF/app/models/metric.rb
-
-# this essentially makes UT work, must be a file that actually exists in production
-require 'database_version'
-
-class RbCallInvalidateMetricCache
-  include Java::org.sonar.server.ruby.CallInvalidateMetricCache
-  def call_invalidate
-    Metric.clear_cache
-  end
-end
-RbCallInvalidateMetricCache.new
diff --git a/server/sonar-server/src/main/resources/org/sonar/server/ruby/call_load_java_web_services.rb b/server/sonar-server/src/main/resources/org/sonar/server/ruby/call_load_java_web_services.rb
deleted file mode 100644
index ddd01c92495..00000000000
--- a/server/sonar-server/src/main/resources/org/sonar/server/ruby/call_load_java_web_services.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-# this script defines a method which calls the class method "load_java_web_services" of the Bootstrap class
-# definedin /server/sonar-web/src/main/webapp/WEB-INF/config/environment.rb
-
-# this essentially makes UT work, must be a file that actually exists in production
-require 'database_version'
-
-class RbCallLoadJavaWebServices
-  include Java::org.sonar.server.ruby.CallLoadJavaWebServices
-  def call_load_java_web_services
-    Bootstrap.load_java_web_services
-  end
-end
-RbCallLoadJavaWebServices.new
diff --git a/server/sonar-server/src/test/java/org/sonar/server/app/TomcatContextsTest.java b/server/sonar-server/src/test/java/org/sonar/server/app/TomcatContextsTest.java
index 79f648f7608..fa07182b289 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/app/TomcatContextsTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/app/TomcatContextsTest.java
@@ -22,7 +22,6 @@ package org.sonar.server.app;
 import java.io.File;
 import java.io.IOException;
 import java.util.Properties;
-import org.apache.catalina.Context;
 import org.apache.catalina.core.StandardContext;
 import org.apache.catalina.startup.Tomcat;
 import org.apache.commons.io.FileUtils;
@@ -74,28 +73,6 @@ public class TomcatContextsTest {
   }
 
   @Test
-  public void configure_rails_dev_mode() {
-    props.setProperty("sonar.web.dev", "true");
-    Context context = mock(Context.class);
-
-    underTest.configureRails(new Props(props), context);
-
-    verify(context).addParameter("jruby.max.runtimes", "3");
-    verify(context).addParameter("rails.env", "development");
-  }
-
-  @Test
-  public void configure_rails_production_mode() {
-    props.setProperty("sonar.web.dev", "false");
-    Context context = mock(Context.class);
-
-    underTest.configureRails(new Props(props), context);
-
-    verify(context).addParameter("jruby.max.runtimes", "1");
-    verify(context).addParameter("rails.env", "production");
-  }
-
-  @Test
   public void create_dir_and_configure_static_directory() throws Exception {
     File dir = temp.newFolder();
     dir.delete();
diff --git a/server/sonar-server/src/test/java/org/sonar/server/platform/ClassLoaderUtilsTest.java b/server/sonar-server/src/test/java/org/sonar/server/platform/ClassLoaderUtilsTest.java
index 5eda287cefd..4b1e064ea82 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/platform/ClassLoaderUtilsTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/platform/ClassLoaderUtilsTest.java
@@ -19,18 +19,11 @@
  */
 package org.sonar.server.platform;
 
-import java.io.File;
-import java.io.IOException;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.Collection;
-import java.util.function.Function;
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.FilenameUtils;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.TemporaryFolder;
 import org.sonar.server.util.ClassLoaderUtils;
 
 import static org.apache.commons.lang.StringUtils.endsWith;
@@ -40,9 +33,6 @@ public class ClassLoaderUtilsTest {
 
   private ClassLoader classLoader;
 
-  @Rule
-  public TemporaryFolder temp = new TemporaryFolder();
-
   @Before
   public void prepareClassLoader() {
     // This JAR file has the three following files :
@@ -83,23 +73,4 @@ public class ClassLoaderUtilsTest {
       "org/sonar/sqale/app/README.md");
   }
 
-  @Test
-  public void copyRubyRailsApp() throws IOException {
-    File toDir = temp.newFolder("dest");
-    ClassLoaderUtils.copyResources(classLoader, "org/sonar/sqale", toDir, Function.identity());
-
-    assertThat(FileUtils.listFiles(toDir, null, true)).hasSize(2);
-    assertThat(new File(toDir, "org/sonar/sqale/app/copyright.txt")).exists();
-    assertThat(new File(toDir, "org/sonar/sqale/app/README.md")).exists();
-  }
-
-  @Test
-  public void copyRubyRailsApp_relocate_files() throws IOException {
-    File toDir = temp.newFolder("dest");
-    ClassLoaderUtils.copyResources(classLoader, "org/sonar/sqale", toDir, path -> "foo/" + FilenameUtils.getName(path));
-
-    assertThat(FileUtils.listFiles(toDir, null, true)).hasSize(2);
-    assertThat(new File(toDir, "foo/copyright.txt")).exists();
-    assertThat(new File(toDir, "foo/README.md")).exists();
-  }
 }
diff --git a/server/sonar-server/src/test/java/org/sonar/server/qualityprofile/QProfileExportersTest.java b/server/sonar-server/src/test/java/org/sonar/server/qualityprofile/QProfileExportersTest.java
index d2d4e38821b..357673c6ac7 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/qualityprofile/QProfileExportersTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/qualityprofile/QProfileExportersTest.java
@@ -43,7 +43,6 @@ import org.sonar.db.DbSession;
 import org.sonar.db.qualityprofile.ActiveRuleDto;
 import org.sonar.db.qualityprofile.QualityProfileDto;
 import org.sonar.server.exceptions.BadRequestException;
-import org.sonar.server.exceptions.NotFoundException;
 import org.sonar.server.qualityprofile.index.ActiveRuleIndexer;
 import org.sonar.server.rule.index.RuleIndex;
 import org.sonar.server.rule.index.RuleQuery;
@@ -104,34 +103,6 @@ public class QProfileExportersTest {
   }
 
   @Test
-  public void export() {
-    QualityProfileDto profile = tester.get(QProfileLoader.class).getByLangAndName("xoo", "P1");
-    assertThat(exporters.export(profile.getKey(), "xootool")).isEqualTo("xoo -> P1 -> 1");
-    assertThat(exporters.export(profile.getKey(), "standard")).isEqualTo("standard -> P1 -> 1");
-  }
-
-  @Test
-  public void fail_if_missing_exporter() {
-    QualityProfileDto profile = tester.get(QProfileLoader.class).getByLangAndName("xoo", "P1");
-    try {
-      exporters.export(profile.getKey(), "unknown");
-      fail();
-    } catch (NotFoundException e) {
-      assertThat(e).hasMessage("Unknown quality profile exporter: unknown");
-    }
-  }
-
-  @Test
-  public void fail_if_missing_profile() {
-    try {
-      exporters.export("unknown", "xootool");
-      fail();
-    } catch (NotFoundException e) {
-      assertThat(e).hasMessage("Unknown Quality profile: unknown");
-    }
-  }
-
-  @Test
   public void profile_importers_for_language() {
     assertThat(exporters.findProfileImportersForLanguage("xoo")).hasSize(3);
   }
diff --git a/server/sonar-server/src/test/resources/org/sonar/server/ruby/database_version.rb b/server/sonar-server/src/test/resources/org/sonar/server/ruby/database_version.rb
deleted file mode 100644
index fceb33a1d57..00000000000
--- a/server/sonar-server/src/test/resources/org/sonar/server/ruby/database_version.rb
+++ /dev/null
@@ -1,18 +0,0 @@
-# a dummy class Bootstrap that "mocks" the Bootstrap class of the platform by defining a class method called load_java_web_services
-# unit test only makes sure the wrapping and method forwarding provided by JRuby works so providing an empty method is enough as
-# it would otherwise raise an exception
-class Bootstrap
-
-  def self.load_java_web_services
-
-  end
-
-end
-
-class Metric
-
-  def self.clear_cache
-
-  end
-
-end
diff --git a/sonar-db/src/main/java/org/sonar/db/DefaultDatabase.java b/sonar-db/src/main/java/org/sonar/db/DefaultDatabase.java
index 8520edd25a8..f3be7e3013f 100644
--- a/sonar-db/src/main/java/org/sonar/db/DefaultDatabase.java
+++ b/sonar-db/src/main/java/org/sonar/db/DefaultDatabase.java
@@ -169,10 +169,6 @@ public class DefaultDatabase implements Database {
         result.setProperty(StringUtils.removeStart(key, SONAR_JDBC), (String) entry.getValue());
       }
     }
-
-    // This property is required by the Ruby Oracle enhanced adapter.
-    // It directly uses the Connection implementation provided by the Oracle driver
-    result.setProperty("accessToUnderlyingConnectionAllowed", "true");
     return result;
   }
 
diff --git a/sonar-db/src/main/java/org/sonar/db/schemamigration/SchemaMigrationDto.java b/sonar-db/src/main/java/org/sonar/db/schemamigration/SchemaMigrationDto.java
index 7f7911e4516..ec0bd7babb2 100644
--- a/sonar-db/src/main/java/org/sonar/db/schemamigration/SchemaMigrationDto.java
+++ b/sonar-db/src/main/java/org/sonar/db/schemamigration/SchemaMigrationDto.java
@@ -20,7 +20,7 @@
 package org.sonar.db.schemamigration;
 
 /**
- * Maps the table SCHEMA_MIGRATIONS that is fed by Ruby on Rails Migrations
+ * Maps the table SCHEMA_MIGRATIONS 
  * @since 3.0
  */
 public class SchemaMigrationDto {
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/server/ws/WebService.java b/sonar-plugin-api/src/main/java/org/sonar/api/server/ws/WebService.java
index 453ed994b4e..e5f11c69fb6 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/server/ws/WebService.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/server/ws/WebService.java
@@ -50,8 +50,7 @@ import static java.lang.String.format;
 import static java.util.Arrays.asList;
 
 /**
- * Defines a web service. Note that contrary to the deprecated {@link org.sonar.api.web.Webservice}
- * the ws is fully implemented in Java and does not require any Ruby on Rails code.
+ * Defines a web service.
  * <br>
  * <br>
  * The classes implementing this extension point must be declared by {@link org.sonar.api.Plugin}.
diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/web/Footer.java b/sonar-plugin-api/src/main/java/org/sonar/api/web/Footer.java
index 1dc71ec828a..c5144ece41a 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/web/Footer.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/web/Footer.java
@@ -30,7 +30,7 @@ import org.sonar.api.server.ServerSide;
 public interface Footer {
 
   /**
-   * Static HTML (no Ruby on Rails)
+   * Static HTML
    */
   String getHtml();
 }
diff --git a/tests/perf/src/test/java/org/sonarsource/sonarqube/perf/server/ServerTest.java b/tests/perf/src/test/java/org/sonarsource/sonarqube/perf/server/ServerTest.java
index 17d3d6a3a58..3ce2ba566db 100644
--- a/tests/perf/src/test/java/org/sonarsource/sonarqube/perf/server/ServerTest.java
+++ b/tests/perf/src/test/java/org/sonarsource/sonarqube/perf/server/ServerTest.java
@@ -41,7 +41,7 @@ public class ServerTest extends PerfTestCase {
   // ES + TOMCAT
   @Test
   public void server_startup_and_shutdown() throws Exception {
-    String defaultWebJavaOptions = "-Xmx768m -XX:+HeapDumpOnOutOfMemoryError -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djruby.management.enabled=false";
+    String defaultWebJavaOptions = "-Xmx768m -XX:+HeapDumpOnOutOfMemoryError -Djava.awt.headless=true -Dfile.encoding=UTF-8";
     Orchestrator orchestrator = Orchestrator.builderEnv()
       .setOrchestratorProperty("javaVersion", "LATEST_RELEASE")
       .addPlugin("java")
diff --git a/tests/upgrade/src/test/java/org/sonarsource/sonarqube/upgrade/UpgradeTest.java b/tests/upgrade/src/test/java/org/sonarsource/sonarqube/upgrade/UpgradeTest.java
index 480846415f3..f1f7027bd1a 100644
--- a/tests/upgrade/src/test/java/org/sonarsource/sonarqube/upgrade/UpgradeTest.java
+++ b/tests/upgrade/src/test/java/org/sonarsource/sonarqube/upgrade/UpgradeTest.java
@@ -232,7 +232,6 @@ public class UpgradeTest {
       connection.connect();
       assertThat(connection.getResponseCode()).as("Fail to load " + path).isEqualTo(HttpURLConnection.HTTP_OK);
 
-      // Error HTML pages generated by Ruby on Rails
       String content = IOUtils.toString(connection.getInputStream());
       assertThat(content).as("Fail to load " + path).doesNotContain("something went wrong");
       assertThat(content).as("Fail to load " + path).doesNotContain("The page you were looking for doesn't exist");