java.lang.Throwable: Locked by: at org.openide.filesystems.FileLock.(FileLock.java:83) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.(LockForFile.java:91) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.tryLock(LockForFile.java:102) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.lock(FileObj.java:337) at org.openide.filesystems.FileObject.delete(FileObject.java:363) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.copyToCacheDir(AuxPropsImpl.java:113) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.convert(AuxPropsImpl.java:168) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.getCache(AuxPropsImpl.java:295) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.get(AuxPropsImpl.java:311) at org.netbeans.modules.maven.MavenProjectPropsImpl$MergedAuxProperties.get(MavenProjectPropsImpl.java:300) at org.netbeans.modules.maven.classpath.BootClassPathImpl.propertyChange(BootClassPathImpl.java:173) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.api.java.platform.JavaPlatformManager.firePropertyChange(JavaPlatformManager.java:172) at org.netbeans.api.java.platform.JavaPlatformManager.access$100(JavaPlatformManager.java:70) at org.netbeans.api.java.platform.JavaPlatformManager$1.resultChanged(JavaPlatformManager.java:222) at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:524) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968) Caused: org.openide.filesystems.FileAlreadyLockedException: /home/rdelaplante/.netbeans/dev/var/cache/mavencachedirs/1554587204/org-netbeans-modules-maven-grammar/checkstyle-checker.xml at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.registerLock(LockForFile.java:114) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.tryLock(LockForFile.java:103) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.lock(FileObj.java:337) at org.openide.filesystems.FileObject.delete(FileObject.java:363) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.copyToCacheDir(AuxPropsImpl.java:113) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.convert(AuxPropsImpl.java:168) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.getCache(AuxPropsImpl.java:295) at org.netbeans.modules.maven.format.checkstyle.AuxPropsImpl.get(AuxPropsImpl.java:311) at org.netbeans.modules.maven.MavenProjectPropsImpl$MergedAuxProperties.get(MavenProjectPropsImpl.java:300) at org.netbeans.modules.maven.api.execute.RunUtils.hasTestCompileOnSaveEnabled(RunUtils.java:136) at org.netbeans.modules.maven.ActionProviderImpl.getSupportedActions(ActionProviderImpl.java:165) at org.netbeans.modules.debugger.jpda.projects.StepIntoActionProvider.shouldBeEnabled(StepIntoActionProvider.java:153) at org.netbeans.modules.debugger.jpda.projects.StepIntoActionProvider.access$200(StepIntoActionProvider.java:78) at org.netbeans.modules.debugger.jpda.projects.StepIntoActionProvider$Listener.doSetEnabled(StepIntoActionProvider.java:199) at org.netbeans.modules.debugger.jpda.projects.StepIntoActionProvider$Listener.propertyChange(StepIntoActionProvider.java:176) at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.modules.debugger.jpda.projects.MainProjectManager.enable(MainProjectManager.java:145) at org.netbeans.modules.project.ui.actions.ProjectAction.refresh(ProjectAction.java:150) at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.doRefresh(LookupSensitiveAction.java:193) at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.run(LookupSensitiveAction.java:228) at org.netbeans.modules.project.ui.actions.ProjectAction.run(ProjectAction.java:66) at org.openide.util.Mutex.doEvent(Mutex.java:1341) at org.openide.util.Mutex.readAccess(Mutex.java:348) at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.resultChanged(LookupSensitiveAction.java:222) at org.netbeans.modules.project.ui.actions.ProjectAction.resultChanged(ProjectAction.java:66) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 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:459) at $Proxy2.resultChanged(.java:0) at org.openide.util.lookup.ProxyLookup$1Notify.run(ProxyLookup.java:176) at org.openide.util.lookup.ProxyLookup.setLookups(ProxyLookup.java:182) at org.openide.util.lookup.ProxyLookup.setLookups(ProxyLookup.java:122) at org.netbeans.modules.project.ui.actions.LookupSensitiveAction$LastActivatedWindowLookup.updateLookups(LookupSensitiveAction.java:289) at org.netbeans.modules.project.ui.actions.LookupSensitiveAction$LastActivatedWindowLookup.propertyChange(LookupSensitiveAction.java:295) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.core.windows.RegistryImpl.tryFireChanges(RegistryImpl.java:304) at org.netbeans.core.windows.RegistryImpl.selectedNodesChanged(RegistryImpl.java:239) at org.netbeans.core.windows.WindowManagerImpl.notifyRegistrySelectedNodesChanged(WindowManagerImpl.java:1016) at org.netbeans.core.windows.WindowManagerImpl.topComponentActivatedNodesChanged(WindowManagerImpl.java:1199) at org.openide.windows.TopComponent.setActivatedNodesImpl(TopComponent.java:416) at org.openide.windows.TopComponent.setActivatedNodes(TopComponent.java:377) at org.openide.text.DataEditorSupport.initializeCloneableEditor(DataEditorSupport.java:358) at org.openide.text.CloneableEditor.readResolve(CloneableEditor.java:1157) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.openide.windows.TopComponent$Replacer.readObject(TopComponent.java:1712) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351) at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.readSerial(XMLSettingsSupport.java:549) at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.instanceCreate(XMLSettingsSupport.java:581) at org.netbeans.modules.settings.convertors.SerialDataConvertor$SettingsInstance.instanceCreate(SerialDataConvertor.java:424) at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentPersistentForID(PersistenceManager.java:545) at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentForID(PersistenceManager.java:655) at org.netbeans.core.windows.PersistenceHandler.getTopComponentForID(PersistenceHandler.java:460) at org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:148) at org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:73) at org.netbeans.core.GuiRunLevel$2.run(GuiRunLevel.java:181) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148) 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)