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When opening a form in guibuilder with NB 6.9, IDE deadlocks. The offending threads with dumps are: Name: AWT-EventQueue-1 State: BLOCKED on java.lang.Object@251f0f24 owned by: GUI Builder Total blocked: 3,543 Total waited: 3,669 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:1771) org.netbeans.modules.form.RADComponent.getBeanInfo(RADComponent.java:427) org.netbeans.modules.form.RADComponent.initInstance(RADComponent.java:187) org.netbeans.modules.form.FormModel.setFormBaseClass(FormModel.java:169) org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:424) org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:298) - locked org.netbeans.modules.form.GandalfPersistenceManager@736823b org.netbeans.modules.form.FormEditor$3.run(FormEditor.java:336) org.netbeans.modules.form.FormLAF$2.run(FormLAF.java:293) - locked javax.swing.MultiUIDefaults@b9ff330 - locked java.lang.Class@3e922fa 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:333) org.netbeans.modules.form.FormEditor.loadFormDesigner(FormEditor.java:231) 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$1.run(FormDesigner.java:1862) java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) java.awt.EventQueue.dispatchEvent(EventQueue.java:597) org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:137) java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) java.awt.EventDispatchThread.run(EventDispatchThread.java:122) ...and... Name: GUI Builder State: BLOCKED on java.lang.Class@3e922fa owned by: AWT-EventQueue-1 Total blocked: 1,074 Total waited: 529 Stack trace: java.beans.Introspector.findExplicitBeanInfo(Introspector.java:426) java.beans.Introspector.<init>(Introspector.java:377) java.beans.Introspector.getBeanInfo(Introspector.java:164) - locked java.lang.Object@251f0f24 org.openide.util.Utilities.getBeanInfo(Utilities.java:426) org.netbeans.modules.form.FormUtils.getBeanInfo(FormUtils.java:1771) org.netbeans.modules.form.palette.PaletteItem.getBeanDescriptor(PaletteItem.java:296) org.netbeans.modules.form.palette.PaletteItem.getDisplayName(PaletteItem.java:227) org.netbeans.modules.form.palette.PaletteItemDataObject$ItemNode.getDisplayName(PaletteItemDataObject.java:323) 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:1957)
*** This bug has been marked as a duplicate of bug 187697 ***