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STR: 1) Create a Maven WAR project 2) Open project properties, Frameworks, add the Hibernate 3.2.5 framework and click OK 3) At this point, my NetBeans instance hanged. * There's no high processor activity * jconsole reports no deadlock * Perhaps this thread info could help: Name: AWT-EventQueue-1 State: BLOCKED on java.util.Collections$SynchronizedSet@345b12 owned by: Default RequestProcessor Total blocked: 70 998 Total waited: 76 403 Stack trace: org.openide.loaders.DataObject$Registry.getModifiedSet(DataObject.java:1179) org.openide.actions.SaveAllAction$ModifiedListL$1.run(SaveAllAction.java:147) 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) Name: Default RequestProcessor State: WAITING on java.awt.EventQueue$1AWTInvocationLock@1f6bf8a Total blocked: 136 Total waited: 111 Stack trace: java.lang.Object.wait(Native Method) java.lang.Object.wait(Object.java:485) java.awt.EventQueue.invokeAndWait(EventQueue.java:993) javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1320) jindent.plugin.netbeans.NbUtils.getMainWindow(NbUtils.java:30) jindent.plugin.netbeans.NbJindentThread.<init>(NbJindentThread.java:22) jindent.plugin.netbeans.FormatterUtil.init(FormatterUtil.java:78) jindent.plugin.netbeans.FormatterUtil.<init>(FormatterUtil.java:57) jindent.plugin.netbeans.FormatterUtil.getInstance(FormatterUtil.java:62) jindent.plugin.netbeans.listener.JindentChangeListener.stateChanged(JindentChangeListener.java:42) org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133) org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119) org.openide.loaders.DataObject$ModifiedRegistry.add(DataObject.java:1220) org.openide.loaders.DataObject$ModifiedRegistry.add(DataObject.java:1191) java.util.Collections$SynchronizedCollection.add(Collections.java:1577) - locked java.util.Collections$SynchronizedSet@345b12 org.openide.loaders.DataObject.setModified(DataObject.java:458) org.netbeans.modules.xml.multiview.XmlMultiViewDataObject.setModified(XmlMultiViewDataObject.java:204) org.netbeans.modules.hibernate.loaders.cfg.HibernateCfgDataObject.modelUpdatedFromUI(HibernateCfgDataObject.java:261) org.netbeans.modules.hibernate.loaders.cfg.HibernateCfgDataObject.addSessionFactory(HibernateCfgDataObject.java:221) org.netbeans.modules.hibernateweb.framework.HibernateWebModuleExtender$CreateHibernateConfiguration.run(HibernateWebModuleExtender.java:259) org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:125) org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:542) org.netbeans.modules.hibernateweb.framework.HibernateWebModuleExtender.extend(HibernateWebModuleExtender.java:163) org.netbeans.modules.maven.webframeworks.WebFrameworksPanel.applyChanges(WebFrameworksPanel.java:129) org.netbeans.modules.maven.webframeworks.WebFrameworksPanelProvider$1$1.run(WebFrameworksPanelProvider.java:86) org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418) org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1957)
nb may download index maven repository but it's not complete hang, can't reproduce with 6.9.1 and 7.0 dev. If it's reproducible, can you provide complete thread dumps (may be a minute and several minutes after "ok")?
please reopen with additional details mentioned above