org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: AWT-EventQueue-0 at org.netbeans.ModuleManager$SystemClassLoader.getResourcesImpl(ModuleManager.java:701) at org.netbeans.ProxyClassLoader.getResources(ProxyClassLoader.java:390) at org.openide.util.lookup.MetaInfServicesLookup.search(MetaInfServicesLookup.java:205) at org.openide.util.lookup.MetaInfServicesLookup.beforeLookup(MetaInfServicesLookup.java:156) at org.openide.util.lookup.AbstractLookup.lookupItem(AbstractLookup.java:427) at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:421) at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:222) at org.netbeans.modules.project.ui.ProjectTab.getUndoRedo(ProjectTab.java:278) at org.openide.actions.UndoAction.getUndoRedo(UndoAction.java:144) at org.openide.actions.UndoAction$Listener.propertyChange(UndoAction.java:215) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:215) at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263) at org.netbeans.core.windows.RegistryImpl.doFirePropertyChange(RegistryImpl.java:329) at org.netbeans.core.windows.RegistryImpl.topComponentOpened(RegistryImpl.java:187) at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentOpened(WindowManagerImpl.java:1183) at org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentOpened(WindowManagerImpl.java:1151) at org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:798) at org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:354) at org.netbeans.core.windows.WindowManagerImpl.topComponentOpenAtTabPosition(WindowManagerImpl.java:1261) at org.netbeans.core.windows.WindowManagerImpl.topComponentOpen(WindowManagerImpl.java:1226) at org.openide.windows.TopComponent.open(TopComponent.java:497) at org.openide.windows.TopComponent.open(TopComponent.java:477) at org.openide.windows.CloneableOpenSupport.openCloneableTopComponent(CloneableOpenSupport.java:208) at org.openide.windows.CloneableOpenSupport$1.run(CloneableOpenSupport.java:107) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: Find Modules Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: A deadlock was detected. We suggest to restart the IDE to recover. at java.awt.Component.setFont(Component.java:1895) at java.awt.Container.setFont(Container.java:1750) at javax.swing.JComponent.setFont(JComponent.java:2754) at javax.swing.LookAndFeel.installColorsAndFont(LookAndFeel.java:208) at javax.swing.plaf.basic.BasicPanelUI.installDefaults(BasicPanelUI.java:66) at javax.swing.plaf.basic.BasicPanelUI.installUI(BasicPanelUI.java:56) at javax.swing.JComponent.setUI(JComponent.java:666) at javax.swing.JPanel.setUI(JPanel.java:153) at javax.swing.JPanel.updateUI(JPanel.java:126) at javax.swing.JPanel.(JPanel.java:86) at javax.swing.JPanel.(JPanel.java:109) at javax.swing.JPanel.(JPanel.java:117) at org.netbeans.modules.j2ee.sun.ide.editors.AdminAuthenticator$PasswordPanel.(AdminAuthenticator.java:184) at org.netbeans.modules.j2ee.sun.ide.editors.AdminAuthenticator.getPasswordAuthentication(AdminAuthenticator.java:136) at java.net.Authenticator.requestPasswordAuthentication(Authenticator.java:317) at sun.net.www.protocol.http.spnego.NegotiateCallbackHandler.getAnswer(NegotiateCallbackHandler.java:65) at sun.net.www.protocol.http.spnego.NegotiateCallbackHandler.handle(NegotiateCallbackHandler.java:86) at com.sun.security.auth.module.Krb5LoginModule.promptForName(Krb5LoginModule.java:858) at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:704) at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:617) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at javax.security.auth.login.LoginContext.invoke(LoginContext.java:755) at javax.security.auth.login.LoginContext.access$000(LoginContext.java:195) at javax.security.auth.login.LoginContext$4.run(LoginContext.java:682) at javax.security.auth.login.LoginContext$4.run(LoginContext.java:680) at java.security.AccessController.doPrivileged(AccessController.java:0) at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680) at javax.security.auth.login.LoginContext.login(LoginContext.java:587) at sun.security.jgss.GSSUtil.login(GSSUtil.java:258) at sun.security.jgss.krb5.Krb5Util.getTicket(Krb5Util.java:158) at sun.security.jgss.krb5.Krb5InitCredential$1.run(Krb5InitCredential.java:335) at sun.security.jgss.krb5.Krb5InitCredential$1.run(Krb5InitCredential.java:331) at java.security.AccessController.doPrivileged(AccessController.java:0) at sun.security.jgss.krb5.Krb5InitCredential.getTgt(Krb5InitCredential.java:330) at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:145) at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122) at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187) at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179) at sun.security.jgss.spnego.SpNegoContext.GSS_initSecContext(SpNegoContext.java:882) at sun.security.jgss.spnego.SpNegoContext.initSecContext(SpNegoContext.java:317) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:248) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179) at sun.net.www.protocol.http.spnego.NegotiatorImpl.init(NegotiatorImpl.java:108) at sun.net.www.protocol.http.spnego.NegotiatorImpl.(NegotiatorImpl.java:117) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at sun.net.www.protocol.http.Negotiator.getNegotiator(Negotiator.java:63) at sun.net.www.protocol.http.NegotiateAuthentication.isSupportedImpl(NegotiateAuthentication.java:130) at sun.net.www.protocol.http.NegotiateAuthentication.isSupported(NegotiateAuthentication.java:102) at sun.net.www.protocol.http.AuthenticationHeader.parse(AuthenticationHeader.java:180) at sun.net.www.protocol.http.AuthenticationHeader.(AuthenticationHeader.java:126) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1591) at sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:90) at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1433) at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1431) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1430) at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2943) at java.net.URLConnection.getContentType(URLConnection.java:512) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.isGzip(AutoupdateCatalogParser.java:226) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.getInputSource(AutoupdateCatalogParser.java:245) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogParser.getUpdateItems(AutoupdateCatalogParser.java:196) at org.netbeans.modules.autoupdate.updateprovider.AutoupdateCatalogProvider.getUpdateItems(AutoupdateCatalogProvider.java:143) at org.netbeans.modules.autoupdate.services.UpdateUnitFactory.appendUpdateItems(UpdateUnitFactory.java:173) at org.netbeans.modules.autoupdate.services.UpdateUnitFactory.getUpdateUnits(UpdateUnitFactory.java:143) at org.netbeans.modules.autoupdate.services.UpdateManagerImpl$Cache.(UpdateManagerImpl.java:271) at org.netbeans.modules.autoupdate.services.UpdateManagerImpl.getCache(UpdateManagerImpl.java:231) at org.netbeans.modules.autoupdate.services.UpdateManagerImpl.getUpdateUnits(UpdateManagerImpl.java:100) at org.netbeans.api.autoupdate.UpdateManager.getUpdateUnits(UpdateManager.java:103) at org.netbeans.modules.ide.ergonomics.fod.FindComponentModules.findComponentModules(FindComponentModules.java:203) at org.netbeans.modules.ide.ergonomics.fod.FindComponentModules.access$000(FindComponentModules.java:72) at org.netbeans.modules.ide.ergonomics.fod.FindComponentModules$2.run(FindComponentModules.java:197) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)