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When running the headless workbench, I sometimes see the following exception during shutdown (I believe it's when BootLoader.shutdown() is called in the main thread). This exception comes from the background indexer thread. Last seen on the M5 build. Shutting down workbench. org.eclipse.core.internal.runtime.AssertionFailedException: assertion failed: meta.appNotInit at org.eclipse.core.internal.runtime.Assert.isTrue(Assert.java:95) at org.eclipse.core.internal.runtime.InternalPlatform.assertInitialized (InternalPlatform.java:178) at org.eclipse.core.internal.runtime.InternalPlatform.getPluginRegistry (InternalPlatform.java:391) at org.eclipse.core.runtime.Platform.getPluginRegistry (Platform.java:319) at org.eclipse.core.internal.runtime.PlatformURLPluginConnection.resolve (PlatformURLPluginConnection.java:46) at org.eclipse.core.internal.boot.PlatformURLHandler.openConnection (PlatformURLHandler.java:57) at java.net.URL.openConnection(URL.java:776) at org.eclipse.core.internal.runtime.InternalPlatform.resolve (InternalPlatform.java:829) at org.eclipse.core.runtime.Platform.resolve(Platform.java:401) at org.eclipse.core.internal.plugins.PluginDescriptor.addLibrary (PluginDescriptor.java:474) at org.eclipse.core.internal.plugins.PluginDescriptor.addLibraryWithFragments (PluginDescriptor.java:438) at org.eclipse.core.internal.plugins.PluginDescriptor.resolveAndAddLibrary (PluginDescriptor.java:431) at org.eclipse.core.internal.plugins.PluginDescriptor.getPluginClassLoaderPath (PluginDescriptor.java:408) at org.eclipse.core.internal.plugins.PluginDescriptor.getPluginClassLoader (PluginDescriptor.java:308) at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:665) at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:184) at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:52) at org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf (PluginClassLoader.java:130) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:771) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:751) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310) at org.eclipse.jdt.internal.core.index.impl.Index.merge(Index.java:231) at org.eclipse.jdt.internal.core.index.impl.Index.save(Index.java:341) at org.eclipse.jdt.internal.core.search.indexing.IndexManager.saveIndexes (IndexManager.java:396) at org.eclipse.jdt.internal.core.search.indexing.IndexManager.notifyIdle (IndexManager.java:301) at org.eclipse.jdt.internal.core.search.processing.JobManager.run (JobManager.java:286) at java.lang.Thread.run(Thread.java:479)
We should shut the background indexer down when exiting.
We found a potential deadlock in the indexer shutdown code (bug 15857). Could this be the same problem ? Could you try to use the latest STABLE patch posted there: http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/jdt-core- home/org.eclipse.jdt.core-STABLE.zip to see if it changes your scenario...
I don't have a completely reproducible testcase for this, it works sometimes and fails others. However I will try the patch and let you know what I see.
Now forcing the background indexer thread to terminate before the platform shuts down.
Don't know how to verify this.
Verified.
