java.lang.reflect.UndeclaredThrowableException at $Proxy.propertyChange(.java:0) at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1206) at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1195) at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1170) at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1206) at org.openide.nodes.Node.fireNameChange(Node.java:1005) at org.netbeans.modules.project.ui.PhysicalView$GroupNode.propertyChange(PhysicalView.java:282) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:186) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.modules.java.j2seproject.J2SEProject$Info.firePropertyChange(J2SEProject.java:394) at org.netbeans.modules.java.j2seproject.J2SEProject.configurationXmlChanged(J2SEProject.java:316) at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:492) at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:488) at org.openide.util.Mutex.readAccess(Mutex.java:285) at org.netbeans.spi.project.support.ant.AntProjectHelper.fireChange(AntProjectHelper.java:487) at org.netbeans.spi.project.support.ant.AntProjectHelper.modifying(AntProjectHelper.java:515) at org.netbeans.spi.project.support.ant.AntProjectHelper.access$900(AntProjectHelper.java:100) at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:903) at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:877) at org.openide.util.Mutex.writeAccess(Mutex.java:394) at org.netbeans.spi.project.support.ant.AntProjectHelper.putConfigurationFragment(AntProjectHelper.java:876) at org.netbeans.spi.project.support.ant.ExtensibleMetadataProviderImpl.putConfigurationFragment(ExtensibleMetadataProviderImpl.java:87) at org.netbeans.spi.project.support.ant.ReferenceHelper.storeReferences(ReferenceHelper.java:187) at org.netbeans.spi.project.support.ant.ReferenceHelper.addRawReference0(ReferenceHelper.java:553) at org.netbeans.spi.project.support.ant.ReferenceHelper.access$600(ReferenceHelper.java:111) at org.netbeans.spi.project.support.ant.ReferenceHelper$1.run(ReferenceHelper.java:256) at org.netbeans.spi.project.support.ant.ReferenceHelper$1.run(ReferenceHelper.java:216) at org.openide.util.Mutex.writeAccess(Mutex.java:394) at org.netbeans.spi.project.support.ant.ReferenceHelper.addReference0(ReferenceHelper.java:215) at org.netbeans.spi.project.support.ant.ReferenceHelper.addReference(ReferenceHelper.java:449) at org.netbeans.modules.java.j2seproject.classpath.ClassPathSupport.encodeToStrings(ClassPathSupport.java:236) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier$2.run(J2SEProjectClassPathModifier.java:241) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier$2.run(J2SEProjectClassPathModifier.java:222) at org.openide.util.Mutex.writeAccess(Mutex.java:433) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier.handleAntArtifacts(J2SEProjectClassPathModifier.java:220) at org.netbeans.modules.java.j2seproject.ui.LibrariesNode$AddProjectAction.addArtifacts(LibrariesNode.java:625) at org.netbeans.modules.java.j2seproject.ui.LibrariesNode$AddProjectAction.actionPerformed(LibrariesNode.java:615) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.AbstractButton.doClick(AbstractButton.java:357) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1225) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266) at java.awt.Component.processMouseEvent(Component.java:6134) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5899) at java.awt.Container.processEvent(Container.java:2023) at java.awt.Component.dispatchEventImpl(Component.java:4501) at java.awt.Container.dispatchEventImpl(Container.java:2081) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895) at java.awt.Container.dispatchEventImpl(Container.java:2067) at java.awt.Window.dispatchEventImpl(Window.java:2458) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor38.invoke(GeneratedMethodAccessor38.java:0) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:449) at $Proxy.propertyChange(.java:0) at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1206) at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1195) at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1170) at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1206) at org.openide.nodes.Node.fireNameChange(Node.java:1005) at org.netbeans.modules.project.ui.PhysicalView$GroupNode.propertyChange(PhysicalView.java:282) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:186) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.modules.java.j2seproject.J2SEProject$Info.firePropertyChange(J2SEProject.java:394) at org.netbeans.modules.java.j2seproject.J2SEProject.configurationXmlChanged(J2SEProject.java:316) at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:492) at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:488) at org.openide.util.Mutex.readAccess(Mutex.java:285) at org.netbeans.spi.project.support.ant.AntProjectHelper.fireChange(AntProjectHelper.java:487) at org.netbeans.spi.project.support.ant.AntProjectHelper.modifying(AntProjectHelper.java:515) at org.netbeans.spi.project.support.ant.AntProjectHelper.access$900(AntProjectHelper.java:100) at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:903) at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:877) at org.openide.util.Mutex.writeAccess(Mutex.java:394) at org.netbeans.spi.project.support.ant.AntProjectHelper.putConfigurationFragment(AntProjectHelper.java:876) at org.netbeans.spi.project.support.ant.ExtensibleMetadataProviderImpl.putConfigurationFragment(ExtensibleMetadataProviderImpl.java:87) at org.netbeans.spi.project.support.ant.ReferenceHelper.storeReferences(ReferenceHelper.java:187) at org.netbeans.spi.project.support.ant.ReferenceHelper.addRawReference0(ReferenceHelper.java:553) at org.netbeans.spi.project.support.ant.ReferenceHelper.access$600(ReferenceHelper.java:111) at org.netbeans.spi.project.support.ant.ReferenceHelper$1.run(ReferenceHelper.java:256) at org.netbeans.spi.project.support.ant.ReferenceHelper$1.run(ReferenceHelper.java:216) at org.openide.util.Mutex.writeAccess(Mutex.java:394) at org.netbeans.spi.project.support.ant.ReferenceHelper.addReference0(ReferenceHelper.java:215) at org.netbeans.spi.project.support.ant.ReferenceHelper.addReference(ReferenceHelper.java:449) at org.netbeans.modules.java.j2seproject.classpath.ClassPathSupport.encodeToStrings(ClassPathSupport.java:236) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier$2.run(J2SEProjectClassPathModifier.java:241) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier$2.run(J2SEProjectClassPathModifier.java:222) at org.openide.util.Mutex.writeAccess(Mutex.java:433) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier.handleAntArtifacts(J2SEProjectClassPathModifier.java:220) at org.netbeans.modules.java.j2seproject.ui.LibrariesNode$AddProjectAction.addArtifacts(LibrariesNode.java:625) at org.netbeans.modules.java.j2seproject.ui.LibrariesNode$AddProjectAction.actionPerformed(LibrariesNode.java:615) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.AbstractButton.doClick(AbstractButton.java:357) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1225) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266) at java.awt.Component.processMouseEvent(Component.java:6134) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5899) at java.awt.Container.processEvent(Container.java:2023) at java.awt.Component.dispatchEventImpl(Component.java:4501) at java.awt.Container.dispatchEventImpl(Container.java:2081) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895) at java.awt.Container.dispatchEventImpl(Container.java:2067) at java.awt.Window.dispatchEventImpl(Window.java:2458) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) java.lang.IllegalStateException: Should not acquire Children.MUTEX while holding ProjectManager.mutex() at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1809) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320) at org.openide.util.Mutex.readAccess(Mutex.java:351) at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:708) at org.openide.util.Mutex.doEvent(Mutex.java:1335) at org.openide.util.Mutex.writeAccess(Mutex.java:452) at org.openide.explorer.view.VisualizerNode$QP.runSafe(VisualizerNode.java:690) at org.openide.explorer.view.VisualizerNode.propertyChange(VisualizerNode.java:453) at sun.reflect.GeneratedMethodAccessor38.invoke(GeneratedMethodAccessor38.java:0) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:449) at $Proxy.propertyChange(.java:0) at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1206) at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1195) at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1170) at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1206) at org.openide.nodes.Node.fireNameChange(Node.java:1005) at org.netbeans.modules.project.ui.PhysicalView$GroupNode.propertyChange(PhysicalView.java:282) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:186) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.modules.java.j2seproject.J2SEProject$Info.firePropertyChange(J2SEProject.java:394) at org.netbeans.modules.java.j2seproject.J2SEProject.configurationXmlChanged(J2SEProject.java:316) at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:492) at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:488) at org.openide.util.Mutex.readAccess(Mutex.java:285) at org.netbeans.spi.project.support.ant.AntProjectHelper.fireChange(AntProjectHelper.java:487) at org.netbeans.spi.project.support.ant.AntProjectHelper.modifying(AntProjectHelper.java:515) at org.netbeans.spi.project.support.ant.AntProjectHelper.access$900(AntProjectHelper.java:100) at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:903) at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:877) at org.openide.util.Mutex.writeAccess(Mutex.java:394) at org.netbeans.spi.project.support.ant.AntProjectHelper.putConfigurationFragment(AntProjectHelper.java:876) at org.netbeans.spi.project.support.ant.ExtensibleMetadataProviderImpl.putConfigurationFragment(ExtensibleMetadataProviderImpl.java:87) at org.netbeans.spi.project.support.ant.ReferenceHelper.storeReferences(ReferenceHelper.java:187) at org.netbeans.spi.project.support.ant.ReferenceHelper.addRawReference0(ReferenceHelper.java:553) at org.netbeans.spi.project.support.ant.ReferenceHelper.access$600(ReferenceHelper.java:111) at org.netbeans.spi.project.support.ant.ReferenceHelper$1.run(ReferenceHelper.java:256) at org.netbeans.spi.project.support.ant.ReferenceHelper$1.run(ReferenceHelper.java:216) at org.openide.util.Mutex.writeAccess(Mutex.java:394) at org.netbeans.spi.project.support.ant.ReferenceHelper.addReference0(ReferenceHelper.java:215) at org.netbeans.spi.project.support.ant.ReferenceHelper.addReference(ReferenceHelper.java:449) at org.netbeans.modules.java.j2seproject.classpath.ClassPathSupport.encodeToStrings(ClassPathSupport.java:236) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier$2.run(J2SEProjectClassPathModifier.java:241) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier$2.run(J2SEProjectClassPathModifier.java:222) at org.openide.util.Mutex.writeAccess(Mutex.java:433) at org.netbeans.modules.java.j2seproject.classpath.J2SEProjectClassPathModifier.handleAntArtifacts(J2SEProjectClassPathModifier.java:220) at org.netbeans.modules.java.j2seproject.ui.LibrariesNode$AddProjectAction.addArtifacts(LibrariesNode.java:625) at org.netbeans.modules.java.j2seproject.ui.LibrariesNode$AddProjectAction.actionPerformed(LibrariesNode.java:615) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.AbstractButton.doClick(AbstractButton.java:357) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1225) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266) at java.awt.Component.processMouseEvent(Component.java:6134) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5899) at java.awt.Container.processEvent(Container.java:2023) at java.awt.Component.dispatchEventImpl(Component.java:4501) at java.awt.Container.dispatchEventImpl(Container.java:2081) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895) at java.awt.Container.dispatchEventImpl(Container.java:2067) at java.awt.Window.dispatchEventImpl(Window.java:2458) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) 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)