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[ BUILD # : 201004200117 ] [ JDK VERSION : 1.6.* ] This is what VisualVM reported Found one Java-level deadlock: ============================= "Default RequestProcessor": waiting to lock monitor 0x07ee9be4 (object 0x1aec1f70, a org.netbeans.modules.xml.xdm.XDMModel), which is held by "Default RequestProcessor" "Default RequestProcessor": waiting to lock monitor 0x0839796c (object 0x1f3f1f58, a org.netbeans.modules.maven.model.pom.impl.ProjectImpl), which is held by "AWT-EventQueue-1" "AWT-EventQueue-1": waiting to lock monitor 0x07ee9be4 (object 0x1aec1f70, a org.netbeans.modules.xml.xdm.XDMModel), which is held by "Default RequestProcessor" Java stack information for the threads listed above: =================================================== "Default RequestProcessor": at org.netbeans.modules.xml.xdm.XDMModel.getDocument(XDMModel.java:824) - waiting to lock <0x1aec1f70> (a org.netbeans.modules.xml.xdm.XDMModel) at org.netbeans.modules.xml.xdm.xam.XDMAccess.getContainingElement(XDMAccess.java:3 94) at org.netbeans.modules.xml.xdm.xam.XDMAccess.getContainingElement(XDMAccess.java:7 9) at org.netbeans.modules.xml.xam.dom.AbstractDocumentModel.findComponent(AbstractDoc umentModel.java:492) at org.netbeans.modules.maven.navigator.POMModelPanel.updateCaret(POMModelPanel.jav a:566) at org.netbeans.modules.maven.navigator.POMModelPanel.access$100(POMModelPanel.java :111) at org.netbeans.modules.maven.navigator.POMModelPanel$1.run(POMModelPanel.java:123) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1369) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1907) "Default RequestProcessor": at org.netbeans.modules.xml.xam.AbstractComponent.getModel(AbstractComponent.java:2 23) - waiting to lock <0x1f3f1f58> (a org.netbeans.modules.maven.model.pom.impl.ProjectImpl) at org.netbeans.modules.xml.xam.dom.AbstractDocumentComponent.getModel(AbstractDocu mentComponent.java:426) at org.netbeans.modules.maven.model.pom.impl.POMComponentImpl.getModel(POMComponent Impl.java:75) at org.netbeans.modules.maven.model.pom.impl.POMComponentImpl.getModel(POMComponent Impl.java:61) at org.netbeans.modules.xml.xam.dom.AbstractDocumentComponent.referencesSameNode(Ab stractDocumentComponent.java:430) at org.netbeans.modules.xml.xam.dom.AbstractDocumentModel.findComponent(AbstractDoc umentModel.java:470) at org.netbeans.modules.xml.xam.dom.AbstractDocumentModel.findComponent(AbstractDoc umentModel.java:462) at org.netbeans.modules.xml.xam.dom.AbstractDocumentModel.prepareSyncUnit(AbstractD ocumentModel.java:286) at org.netbeans.modules.xml.xdm.xam.XDMListener.processChange(XDMListener.java:140) at org.netbeans.modules.xml.xdm.xam.XDMListener.processEvent(XDMListener.java:212) at org.netbeans.modules.xml.xdm.xam.XDMListener.propertyChange(XDMListener.java:226 ) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:3 39) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:2 76) at org.netbeans.modules.xml.xdm.XDMModel.fireDiffEvents(XDMModel.java:269) at org.netbeans.modules.xml.xdm.XDMModel.finishSync(XDMModel.java:221) at org.netbeans.modules.xml.xdm.XDMModel.sync(XDMModel.java:158) - locked <0x1aec1f70> (a org.netbeans.modules.xml.xdm.XDMModel) at org.netbeans.modules.xml.xdm.xam.XDMAccess.sync(XDMAccess.java:143) - locked <0x1aec1f70> (a org.netbeans.modules.xml.xdm.XDMModel) at org.netbeans.modules.xml.xam.AbstractModel.sync(AbstractModel.java:259) - locked <0x1ae98238> (a org.netbeans.modules.maven.model.pom.impl.POMModelImpl) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.findHints (StatusProvider.java:133) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.checkHint s(StatusProvider.java:124) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.access$00 0(StatusProvider.java:96) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl$1$1.run(S tatusProvider.java:109) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1369) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1907) "AWT-EventQueue-1": at org.netbeans.modules.xml.xdm.XDMModel.getDocument(XDMModel.java:824) - waiting to lock <0x1aec1f70> (a org.netbeans.modules.xml.xdm.XDMModel) at org.netbeans.modules.xml.xdm.nodes.NodeImpl.getNamespaceURI(NodeImpl.java:601) at org.netbeans.modules.maven.model.pom.impl.POMComponentFactoryImpl.getQName(POMCo mponentFactoryImpl.java:63) at org.netbeans.modules.maven.model.pom.impl.POMComponentFactoryImpl.create(POMComp onentFactoryImpl.java:81) at org.netbeans.modules.maven.model.pom.impl.POMComponentFactoryImpl.create(POMComp onentFactoryImpl.java:51) at org.netbeans.modules.maven.model.pom.impl.POMComponentImpl.populateChildren(POMC omponentImpl.java:87) at org.netbeans.modules.xml.xam.AbstractComponent._getChildren(AbstractComponent.ja va:180) - locked <0x1f3f1f58> (a org.netbeans.modules.maven.model.pom.impl.ProjectImpl) at org.netbeans.modules.xml.xam.AbstractComponent.getChildren(AbstractComponent.jav a:196) - locked <0x1f3f1f58> (a org.netbeans.modules.maven.model.pom.impl.ProjectImpl) at org.netbeans.modules.maven.model.pom.impl.POMComponentImpl.getChildElementText(P OMComponentImpl.java:157) at org.netbeans.modules.maven.model.pom.impl.ProjectImpl.getModelVersion(ProjectImp l.java:455) at org.netbeans.modules.maven.navigator.POMModelVisitor.visit(POMModelVisitor.java: 158) at sun.reflect.GeneratedMethodAccessor105.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.jav a:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.netbeans.modules.maven.navigator.POMModelVisitor$PomChildren.rescan(POMModel Visitor.java:1448) at org.netbeans.modules.maven.navigator.POMModelVisitor$PomChildren.addNotify(POMMo delVisitor.java:1431) at org.openide.nodes.Children.callAddNotify(Children.java:550) at org.openide.nodes.EntrySupport$Default.getArray(EntrySupport.java:744) at org.openide.nodes.EntrySupport$Default.getNodes(EntrySupport.java:166) at org.openide.nodes.EntrySupport$Default.getNodes(EntrySupport.java:222) at org.openide.nodes.EntrySupport$Default.getNodesCount(EntrySupport.java:226) at org.openide.nodes.Children.getNodesCount(Children.java:484) at org.openide.explorer.view.VisualizerNode.getChildren(VisualizerNode.java:255) at org.openide.explorer.view.VisualizerNode.getChildren(VisualizerNode.java:245) at org.openide.explorer.view.VisualizerNode.getChildCount(VisualizerNode.java:322) at javax.swing.tree.DefaultTreeModel.getChildCount(DefaultTreeModel.java:168) at javax.swing.tree.FixedHeightLayoutCache$FHTreeStateNode.expand(FixedHeightLayout Cache.java:1135) at javax.swing.tree.FixedHeightLayoutCache.rebuild(FixedHeightLayoutCache.java:600) at javax.swing.tree.FixedHeightLayoutCache.treeStructureChanged(FixedHeightLayoutCa che.java:472) at javax.swing.plaf.basic.BasicTreeUI$Handler.treeStructureChanged(BasicTreeUI.java :3824) at javax.swing.tree.DefaultTreeModel.fireTreeStructureChanged(DefaultTreeModel.java :561) at javax.swing.tree.DefaultTreeModel.nodeStructureChanged(DefaultTreeModel.java:347 ) at javax.swing.tree.DefaultTreeModel.setRoot(DefaultTreeModel.java:117) at org.openide.explorer.view.NodeTreeModel$1.run(NodeTreeModel.java:113) at org.openide.util.Mutex.doEvent(Mutex.java:1335) at org.openide.util.Mutex.readAccess(Mutex.java:345) at org.openide.explorer.view.NodeTreeModel.setNode(NodeTreeModel.java:99) at org.openide.explorer.view.TreeView.synchronizeRootContext(TreeView.java:839) at org.openide.explorer.view.TreeView$TreePropertyListener$1.run(TreeView.java:1223 ) at org.openide.util.Mutex.readAccess(Mutex.java:362) at org.openide.util.Mutex$1R.run(Mutex.java:1301) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1318) at org.openide.util.Mutex.readAccess(Mutex.java:351) at org.openide.explorer.view.TreeView$TreePropertyListener.propertyChange(TreeView. java:1219) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl .java:188) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:3 39) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:2 76) at org.openide.explorer.ExplorerManager$2.run(ExplorerManager.java:865) at org.openide.util.Mutex.doEvent(Mutex.java:1335) at org.openide.util.Mutex.readAccess(Mutex.java:345) at org.openide.explorer.ExplorerManager.fireInAWT(ExplorerManager.java:862) at org.openide.explorer.ExplorerManager$1SetRootContext.run(ExplorerManager.java:48 7) at org.openide.util.Mutex.readAccess(Mutex.java:362) at org.openide.util.Mutex$1R.run(Mutex.java:1301) at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java: 1831) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320) at org.openide.util.Mutex.readAccess(Mutex.java:351) at org.openide.explorer.ExplorerManager.setRootContext(ExplorerManager.java:499) - locked <0x1aed5e98> (a java.lang.Object) at org.netbeans.modules.maven.navigator.POMModelPanel$4.run(POMModelPanel.java:328) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:133) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269 ) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174 ) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) Found 1 deadlock.
Reassigned to maven
actually duplicate of 185923, happened to me yesterday. *** This bug has been marked as a duplicate of bug 185923 ***