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When I open form, Netbeans 7.0 Beta hangs, JConsole shows Deadlock. This is permament deadlock, I mean I got it always on my machine. On other installations, I don't get it. 1. Name: GUI Builder State: BLOCKED on java.lang.Class@3e8e1dd owned by: AWT-EventQueue-1 Total blocked: 195 Total waited: 127 Stack trace: java.beans.Introspector.findExplicitBeanInfo(Introspector.java:426) java.beans.Introspector.<init>(Introspector.java:377) java.beans.Introspector.getBeanInfo(Introspector.java:164) - locked java.lang.Object@6f056229 org.openide.util.Utilities.getBeanInfo(Utilities.java:426) org.netbeans.modules.form.FormUtils.getBeanInfo(FormUtils.java:1780) org.netbeans.modules.form.palette.PaletteItem.getBeanDescriptor(PaletteItem.java:305) org.netbeans.modules.form.palette.PaletteItem.getDisplayName(PaletteItem.java:236) org.netbeans.modules.form.palette.PaletteItemDataObject$ItemNode.getDisplayName(PaletteItemDataObject.java:326) org.openide.nodes.FilterNode.getDisplayName(FilterNode.java:533) org.openide.nodes.FilterNode.getDisplayName(FilterNode.java:533) org.netbeans.modules.form.palette.PaletteUtils$1.run(PaletteUtils.java:242) org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418) org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1960) 2. Name: AWT-EventQueue-1 State: BLOCKED on java.lang.Object@6f056229 owned by: GUI Builder Total blocked: 115 736 Total waited: 127 020 Stack trace: java.beans.Introspector.getBeanInfo(Introspector.java:157) org.openide.util.Utilities.getBeanInfo(Utilities.java:426) org.netbeans.modules.form.FormUtils.getBeanInfo(FormUtils.java:1780) org.netbeans.modules.form.RADComponent.getBeanInfo(RADComponent.java:432) org.netbeans.modules.form.RADComponent.createBeanProperties(RADComponent.java:1228) - locked org.netbeans.modules.form.layoutsupport.MetaLayout@1e7b8ba3 org.netbeans.modules.form.RADComponent.createPropertySets(RADComponent.java:1099) - locked org.netbeans.modules.form.layoutsupport.MetaLayout@1e7b8ba3 org.netbeans.modules.form.layoutsupport.MetaLayout.createPropertySets(MetaLayout.java:82) org.netbeans.modules.form.RADComponent.getProperties(RADComponent.java:652) - locked org.netbeans.modules.form.layoutsupport.MetaLayout@1e7b8ba3 org.netbeans.modules.form.layoutsupport.AbstractLayoutSupport.getPropertySets(AbstractLayoutSupport.java:291) org.netbeans.modules.form.layoutsupport.AbstractLayoutSupport.getAllProperties(AbstractLayoutSupport.java:1235) org.netbeans.modules.form.layoutsupport.AbstractLayoutSupport.readInitLayoutCode(AbstractLayoutSupport.java:1029) org.netbeans.modules.form.layoutsupport.AbstractLayoutSupport.readLayoutCode(AbstractLayoutSupport.java:999) org.netbeans.modules.form.layoutsupport.AbstractLayoutSupport.initialize(AbstractLayoutSupport.java:170) org.netbeans.modules.form.layoutsupport.LayoutSupportManager.setLayoutDelegate(LayoutSupportManager.java:226) org.netbeans.modules.form.layoutsupport.LayoutSupportManager.prepareLayoutDelegate(LayoutSupportManager.java:184) org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:1053) org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:527) org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:299) - locked org.netbeans.modules.form.GandalfPersistenceManager@1e35d87e org.netbeans.modules.form.FormEditor$3.run(FormEditor.java:337) org.netbeans.modules.form.FormLAF$2.run(FormLAF.java:293) - locked javax.swing.MultiUIDefaults@611847b0 - locked java.lang.Class@3e8e1dd org.openide.util.Mutex.doEventAccess(Mutex.java:1361) org.openide.util.Mutex.readAccess(Mutex.java:320) org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:276) org.netbeans.modules.form.FormEditor.loadFormData(FormEditor.java:334) org.netbeans.modules.form.FormEditor.loadFormDesigner(FormEditor.java:232) org.netbeans.modules.form.FormDesigner.finishComponentShowing(FormDesigner.java:1897) org.netbeans.modules.form.FormDesigner.access$1100(FormDesigner.java:107) org.netbeans.modules.form.FormDesigner$PreLoadTask$1.run(FormDesigner.java:1862) java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) java.awt.EventQueue.dispatchEvent(EventQueue.java:597) org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:138) java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
What JDK version do you have? This looks like bug 187697, appearing only on Java 1.6 u21 and u22. Already fixed in u23. *** This bug has been marked as a duplicate of bug 187697 ***