title: SonarQube 4.3 - Analyze on different Machine - IllegalArgumentException - Dependency not found
body: <p>I currently updated to SonarQube 4.3 and sonar-runner 2.4 to analyze projects in my build environment (2 servers - one that hosts sonar - one that runs sonar-runner).</p>
  
  <p>With SonarQube version 4.2 and sonar-runner 2.0 anaysis was fine and worked without problems, now after upgrade, server that runs sonar-runner throws exception (I intentionally removed the servername; I already added the -X debug switch to sonar-runner):</p>
  
  <pre><code>07:55:35.190 INFO  - Install plugins
  07:55:35.190 DEBUG - Download index of plugins
  07:55:35.190 DEBUG - Download: http://[Server that hosts sonar]/deploy/plugins/index.txt (no proxy)
  INFO: ------------------------------------------------------------------------
  ERROR: Error during Sonar runner execution
  INFO: EXECUTION FAILURE
  INFO: ------------------------------------------------------------------------
  Total time: 2.864s
  Final Memory: 3M/77M
  org.sonar.runner.impl.RunnerException: Unable to execute Sonar
      at org.sonar.runner.impl.BatchLauncher$1.delegateExecution(BatchLauncher.java:91)
      at org.sonar.runner.impl.BatchLauncher$1.run(BatchLauncher.java:75)
      at java.security.AccessController.doPrivileged(Native Method)
      at org.sonar.runner.impl.BatchLauncher.doExecute(BatchLauncher.java:69)
      at org.sonar.runner.impl.BatchLauncher.execute(BatchLauncher.java:50)
      at org.sonar.runner.api.EmbeddedRunner.doExecute(EmbeddedRunner.java:102)
      at org.sonar.runner.api.Runner.execute(Runner.java:100)
      at org.sonar.runner.Main.executeTask(Main.java:70)
      at org.sonar.runner.Main.execute(Main.java:59)
      at org.sonar.runner.Main.main(Main.java:53)
  Caused by: java.lang.IllegalArgumentException: Dependency META-INF/lib/activation-1.1.1.jar can not be found in sonar-email-notifications-plugin-4.3.jar
      at org.sonar.core.plugins.PluginJarInstaller.copyDependencies(PluginJarInstaller.java:53)
      at org.sonar.core.plugins.PluginJarInstaller.install(PluginJarInstaller.java:40)
      at org.sonar.batch.bootstrap.BatchPluginJarInstaller.installToCache(BatchPluginJarInstaller.java:40)
      at org.sonar.batch.bootstrap.BatchPluginRepository.doStart(BatchPluginRepository.java:81)
      at org.sonar.batch.bootstrap.BatchPluginRepository.start(BatchPluginRepository.java:72)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.invokeMethod(ReflectionLifecycleStrategy.java:110)
      at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.start(ReflectionLifecycleStrategy.java:89)
      at org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.start(AbstractInjectionFactory.java:84)
      at org.picocontainer.behaviors.AbstractBehavior.start(AbstractBehavior.java:169)
      at org.picocontainer.behaviors.Stored$RealComponentLifecycle.start(Stored.java:132)
      at org.picocontainer.behaviors.Stored.start(Stored.java:110)
      at org.picocontainer.DefaultPicoContainer.potentiallyStartAdapter(DefaultPicoContainer.java:1015)
      at org.picocontainer.DefaultPicoContainer.startAdapters(DefaultPicoContainer.java:1008)
      at org.picocontainer.DefaultPicoContainer.start(DefaultPicoContainer.java:766)
      at org.sonar.api.platform.ComponentContainer.startComponents(ComponentContainer.java:91)
      at org.sonar.api.platform.ComponentContainer.execute(ComponentContainer.java:77)
      at org.sonar.batch.bootstrapper.Batch.startBatch(Batch.java:92)
      at org.sonar.batch.bootstrapper.Batch.execute(Batch.java:74)
      at org.sonar.runner.batch.IsolatedLauncher.execute(IsolatedLauncher.java:48)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.sonar.runner.impl.BatchLauncher$1.delegateExecution(BatchLauncher.java:87)
  INFO: ------------------------------------------------------------------------
      ... 9 more
  Program returned code  : 1
  </code></pre>
  
  <p>If i access the /deploy/plugins/index.txt from server that runs sonar-runner (from browser) i get the index.txt so i think it shouldn't be a permission issue, or am i wrong here?</p>
  
  <p>Also if i run sonar-runner from server that hosts sonar (so only local, on same machine) it works without problems. </p>
  
  <p>Could you please help me on that one? Do you need further information?</p>
  
  <p>Thx!</p>