java.lang.Throwable: Locked by: at org.openide.filesystems.FileLock.(FileLock.java:85) 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:359) at org.openide.loaders.MultiDataObject$Entry.takeLock(MultiDataObject.java:1356) at org.netbeans.modules.properties.PropertiesEditorSupport$Environment.markModified(PropertiesEditorSupport.java:878) at org.openide.text.CloneableEditorSupport.notifyModified(CloneableEditorSupport.java:1998) at org.netbeans.modules.properties.PropertiesEditorSupport.notifyModified(PropertiesEditorSupport.java:376) at org.openide.text.CloneableEditorSupport.callNotifyModified(CloneableEditorSupport.java:1971) at org.openide.text.CloneableEditorSupport$Listener.vetoableChange(CloneableEditorSupport.java:2858) at org.netbeans.editor.BaseDocument.atomicLockImpl(BaseDocument.java:1667) at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:343) at org.netbeans.editor.BaseKit$DeleteCharAction.actionPerformed(BaseKit.java:1797) at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:339) at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1661) at javax.swing.JComponent.processKeyBinding(JComponent.java:2879) at javax.swing.JComponent.processKeyBindings(JComponent.java:2926) at javax.swing.JComponent.processKeyEvent(JComponent.java:2842) at java.awt.Component.processEvent(Component.java:6282) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1893) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:752) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1017) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:889) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:717) at java.awt.Component.dispatchEventImpl(Component.java:4731) Caused: org.openide.filesystems.FileAlreadyLockedException: Z:\NetBeans\Validation Manager\Validation Manager Web\lib\nblibraries.properties 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:359) at org.openide.filesystems.FileObject.getOutputStream(FileObject.java:732) at org.netbeans.modules.project.ant.ProjectLibraryProvider.replaceProperty(ProjectLibraryProvider.java:899) at org.netbeans.modules.project.ant.ProjectLibraryProvider.createLibrary(ProjectLibraryProvider.java:340) at org.netbeans.modules.project.ant.ProjectLibraryProvider.createLibrary(ProjectLibraryProvider.java:130) at org.netbeans.modules.project.libraries.LibraryAccessor.createLibrary0(LibraryAccessor.java:111) at org.netbeans.modules.project.libraries.LibraryAccessor.createLibrary(LibraryAccessor.java:108) at org.netbeans.modules.project.libraries.ui.LibrariesModel.apply(LibrariesModel.java:252) at org.netbeans.modules.project.libraries.ui.LibrariesCustomizer.apply(LibrariesCustomizer.java:204) at org.netbeans.api.project.libraries.LibrariesCustomizer.customizeLibrary(LibrariesCustomizer.java:180) at org.netbeans.api.project.libraries.LibrariesCustomizer.showCreateNewLibraryCustomizer(LibrariesCustomizer.java:149) at org.netbeans.api.project.libraries.LibraryChooserGUI.createButtonActionPerformed(LibraryChooserGUI.java:341) at org.netbeans.api.project.libraries.LibraryChooserGUI.access$400(LibraryChooserGUI.java:56) at org.netbeans.api.project.libraries.LibraryChooserGUI$3.actionPerformed(LibraryChooserGUI.java:274) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at java.awt.Component.processMouseEvent(Component.java:6505) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4492) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:703) at java.awt.EventQueue.access$000(EventQueue.java:102) at java.awt.EventQueue$3.run(EventQueue.java:662) at java.awt.EventQueue$3.run(EventQueue.java:660) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:676) at java.awt.EventQueue$4.run(EventQueue.java:674) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:673) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:155) at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:182) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:221) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:219) at java.awt.Dialog.show(Dialog.java:1072) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1072) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1107) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1094) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:126) at org.openide.util.Mutex.doEventAccess(Mutex.java:1363) at org.openide.util.Mutex.readAccess(Mutex.java:273) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1079) at java.awt.Component.show(Component.java:1651) at java.awt.Component.setVisible(Component.java:1603) at java.awt.Window.setVisible(Window.java:1014) at java.awt.Dialog.setVisible(Dialog.java:1003) at org.netbeans.core.windows.services.DialogDisplayerImpl$1AWTQuery.showDialog(DialogDisplayerImpl.java:260) at org.netbeans.core.windows.services.DialogDisplayerImpl.notify(DialogDisplayerImpl.java:276) at org.netbeans.core.windows.services.DialogDisplayerImpl.notify(DialogDisplayerImpl.java:167) at org.netbeans.api.project.libraries.LibraryChooserGUI.showDialog(LibraryChooserGUI.java:129) at org.netbeans.api.project.libraries.LibraryChooserGUI.showChooser(LibraryChooserGUI.java:86) at org.netbeans.api.project.libraries.LibraryChooser.showDialog(LibraryChooser.java:46) at org.netbeans.modules.java.api.common.project.ui.customizer.EditMediator.actionPerformed(EditMediator.java:390) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at java.awt.Component.processMouseEvent(Component.java:6505) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4492) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:703) at java.awt.EventQueue.access$000(EventQueue.java:102) at java.awt.EventQueue$3.run(EventQueue.java:662) at java.awt.EventQueue$3.run(EventQueue.java:660) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:676) at java.awt.EventQueue$4.run(EventQueue.java:674) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:673) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139) at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)