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Breaks: http://deadlock.netbeans.org/hudson/job/ergonomics/3497/ Java stack information for the threads listed above: =================================================== "On Start/Stop": at org.openide.util.lookup.MetaInfServicesLookup$P.getInstance(MetaInfServicesLookup.java:495) - waiting to lock <0x00000000e0f49ae8> (a java.lang.Class for org.netbeans.core.NbLoaderPool) at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:421) at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:216) at org.openide.loaders.DataLoaderPool.getDefault(DataLoaderPool.java:91) - locked <0x00000000e0f3a440> (a java.lang.Class for org.openide.loaders.DataLoaderPool) at org.openide.loaders.DataObjectPool.<clinit>(DataObjectPool.java:465) at org.openide.loaders.DataObject.find(DataObject.java:524) at org.openide.loaders.DataFolder.findFolder(DataFolder.java:540) at org.netbeans.modules.settings.RecognizeInstanceObjects$OverObjects.delegates(RecognizeInstanceObjects.java:141) at org.netbeans.modules.settings.RecognizeInstanceObjects$OverObjects.<init>(RecognizeInstanceObjects.java:104) at org.netbeans.modules.settings.RecognizeInstanceObjects.create(RecognizeInstanceObjects.java:93) at org.openide.util.lookup.implspi.NamedServicesProvider.forPath(NamedServicesProvider.java:93) at org.openide.util.lookup.Lookups.forPath(Lookups.java:230) at org.netbeans.modules.project.libraries.LibraryTypeRegistry.<init>(LibraryTypeRegistry.java:69) at org.netbeans.modules.project.libraries.LibraryTypeRegistry.getDefault(LibraryTypeRegistry.java:110) - locked <0x00000000e0eb1510> (a java.lang.Class for org.netbeans.modules.project.libraries.LibraryTypeRegistry) at org.netbeans.modules.project.libraries.LibrariesStorage.<init>(LibrariesStorage.java:114) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at java.lang.Class.newInstance0(Class.java:355) at java.lang.Class.newInstance(Class.java:308) at org.openide.util.lookup.implspi.SharedClassObjectBridge.newInstance(SharedClassObjectBridge.java:64) at org.openide.util.lookup.MetaInfServicesLookup$P.getInstance(MetaInfServicesLookup.java:519) - locked <0x00000000e0ea6858> (a java.lang.Class for org.netbeans.modules.project.libraries.LibrariesStorage) at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1041) at org.openide.util.lookup.AbstractLookup$R.allInstances(AbstractLookup.java:1021) at org.openide.util.lookup.ProxyLookup$LazyCollection.computeSingleResult(ProxyLookup.java:1249) at org.openide.util.lookup.ProxyLookup$LazyCollection.computeDelegate(ProxyLookup.java:1091) at org.openide.util.lookup.ProxyLookup$LazyCollection.access$900(ProxyLookup.java:1021) at org.openide.util.lookup.ProxyLookup$LazyCollection$1.hasNext(ProxyLookup.java:1215) at org.netbeans.modules.project.libraries.LibrariesModule.run(LibrariesModule.java:60) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1452) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032) "main": at org.openide.loaders.DataLoaderPool.getDefault(DataLoaderPool.java:90) - waiting to lock <0x00000000e0f3a440> (a java.lang.Class for org.openide.loaders.DataLoaderPool) at org.netbeans.core.NbLoaderPool.getNbLoaderPool(NbLoaderPool.java:665) - locked <0x00000000e0f49ae8> (a java.lang.Class for org.netbeans.core.NbLoaderPool) at org.netbeans.core.CoreBridgeImpl.lookupCacheLoad(CoreBridgeImpl.java:141) at org.netbeans.core.startup.MainLookup.modulesClassPathInitialized(MainLookup.java:152) at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:373) at org.netbeans.ModuleManager.enable(ModuleManager.java:1177) at org.netbeans.ModuleManager.enable(ModuleManager.java:1000) at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:340) at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:276) at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:295) at org.netbeans.core.startup.Main.getModuleSystem(Main.java:169) at org.netbeans.core.startup.Main.start(Main.java:305) at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:123) at java.lang.Thread.run(Thread.java:662) Found 1 deadlock.
NbLoaderPool getNbLoaderPool is synchronized for no reason - enough to call to DataLoaderPool.getDefault ().
ergonomics#5c9720ad1213
*** Bug 211746 has been marked as a duplicate of this bug. ***
Integrated into 'main-golden', will be available in build *201205020400* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/5c9720ad1213 User: Jaroslav Tulach <jtulach@netbeans.org> Log: #211820: Don't synchronize in getNbLoaderPool