SONAR-5709 Add properties sonar.search.javaAdditionalOpts and sonar.web.javaAdditionalOpts

debug-server.sh

 fi
 
 cd sonarqube-*
-java -jar ./lib/sonar-application*.jar -Dsonar.web.javaOpts=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005
+java -jar ./lib/sonar-application*.jar -Dsonar.web.javaAdditionalOpts=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005

server/sonar-process-monitor/src/main/java/org/sonar/process/monitor/JavaCommand.java

  */
 package org.sonar.process.monitor;
 
+import org.apache.commons.lang.StringUtils;
+
 import javax.annotation.Nullable;
 
 import java.io.File;
   }
 
   public JavaCommand addJavaOption(String s) {
-    javaOptions.add(s);
+    if (StringUtils.isNotBlank(s)) {
+      javaOptions.add(s);
+    }
     return this;
   }
 
   public JavaCommand addJavaOptions(String s) {
-    Collections.addAll(javaOptions, s.split(" "));
+    for (String opt : s.split(" ")) {
+      addJavaOption(opt);
+    }
     return this;
   }
 

server/sonar-process-monitor/src/test/java/org/sonar/process/monitor/JavaCommandTest.java

   }
 
   @Test
-  public void split_java_options() throws Exception {
+  public void add_java_options() throws Exception {
     JavaCommand command = new JavaCommand("foo");
+    assertThat(command.getJavaOptions()).isEmpty();
+
+    command.addJavaOptions("");
+    assertThat(command.getJavaOptions()).isEmpty();
+
     command.addJavaOptions("-Xmx512m -Xms256m -Dfoo");
     assertThat(command.getJavaOptions()).containsOnly("-Xmx512m", "-Xms256m", "-Dfoo");
   }

sonar-application/src/main/assembly/conf/sonar.properties

 #sonar.web.javaOpts=-Xmx768m -XX:MaxPermSize=160m -XX:+HeapDumpOnOutOfMemoryError \
 #  -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djruby.management.enabled=false
 
+# Same as previous property, but allows to not repeat all settings like -Djava.awt.headless=true
+#sonar.web.javaAdditionalOpts=
+
 # 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.
 #  -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError \
 #  -Djava.awt.headless=true
 
+# Same as previous property, but allows to not repeat all settings like -Djava.awt.headless=true
+#sonar.search.javaAdditionalOpts=
+
 # Elasticsearch port. Default is 9001. Use 0 to get a free port.
 # This port must be private and must not be exposed to the Internet.
 #sonar.search.port=9001

sonar-application/src/main/java/org/sonar/application/App.java

     JavaCommand elasticsearch = new JavaCommand("search");
     elasticsearch
       .setWorkDir(homeDir)
-      .addJavaOptions(props.value(DefaultSettings.SEARCH_JAVA_OPTS))
+      .addJavaOptions(props.nonNullValue(DefaultSettings.SEARCH_JAVA_OPTS))
+      .addJavaOptions(props.nonNullValue(DefaultSettings.SEARCH_JAVA_ADDITIONAL_OPTS))
       .setTempDir(tempDir.getAbsoluteFile())
       .setClassName("org.sonar.search.SearchServer")
       .setArguments(props.rawProperties())
       JavaCommand webServer = new JavaCommand("web")
         .setWorkDir(homeDir)
         .addJavaOptions(props.nonNullValue(DefaultSettings.WEB_JAVA_OPTS))
+        .addJavaOptions(props.nonNullValue(DefaultSettings.WEB_JAVA_ADDITIONAL_OPTS))
         .setTempDir(tempDir.getAbsoluteFile())
         // required for logback tomcat valve
         .setEnvVariable("sonar.path.logs", props.nonNullValue("sonar.path.logs"))

sonar-application/src/main/java/org/sonar/application/DefaultSettings.java

   static final String CLUSTER_NODE_NAME = "sonar.node.name";
   static final String SEARCH_PORT = "sonar.search.port";
   static final String SEARCH_JAVA_OPTS = "sonar.search.javaOpts";
+  static final String SEARCH_JAVA_ADDITIONAL_OPTS = "sonar.search.javaAdditionalOpts";
   static final String WEB_JAVA_OPTS = "sonar.web.javaOpts";
+  static final String WEB_JAVA_ADDITIONAL_OPTS = "sonar.web.javaAdditionalOpts";
   static final String JDBC_URL = "sonar.jdbc.url";
   static final String JDBC_LOGIN = "sonar.jdbc.username";
   static final String JDBC_PASSWORD = "sonar.jdbc.password";
     defaults.put(SEARCH_JAVA_OPTS, "-Xmx256m -Xms256m -Xss256k -Djava.net.preferIPv4Stack=true " +
       "-XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly " +
       "-XX:+HeapDumpOnOutOfMemoryError -Djava.awt.headless=true");
+    defaults.put(SEARCH_JAVA_ADDITIONAL_OPTS, "");
     defaults.put(CLUSTER_NODE_NAME, "sonar-" + System.currentTimeMillis());
     defaults.put(WEB_JAVA_OPTS, "-Xmx768m -XX:MaxPermSize=160m -XX:+HeapDumpOnOutOfMemoryError -Djava.net.preferIPv4Stack=true " +
       "-Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djruby.management.enabled=false");
+    defaults.put(WEB_JAVA_ADDITIONAL_OPTS, "");
     defaults.put(JDBC_URL, "jdbc:h2:tcp://localhost:9092/sonar");
     defaults.put(JDBC_LOGIN, "sonar");
     defaults.put(JDBC_PASSWORD, "sonar");