org.openide.filesystems.FileAlreadyLockedException: C:\Documents and Settings\bnicely\My Documents\NetBeansProjects\StaffListStrutsHibernate\nbproject\project.xml
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.registerLock(LockForFile.java:112)
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.tryLock(LockForFile.java:101)
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.lock(FileObj.java:296)
        at org.netbeans.spi.project.support.ant.AntProjectHelper$2.run(AntProjectHelper.java:337)
        at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:120)
        at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:509)
        at org.netbeans.spi.project.support.ant.AntProjectHelper.saveXml(AntProjectHelper.java:329)
        at org.netbeans.spi.project.support.ant.AntProjectHelper.save(AntProjectHelper.java:589)
        at org.netbeans.spi.project.support.ant.AntProjectHelper.access$100(AntProjectHelper.java:102)
        at org.netbeans.spi.project.support.ant.AntProjectHelper$1.save(AntProjectHelper.java:140)
        at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.saveProject(AntBasedProjectFactorySingleton.java:346)
        at org.netbeans.api.project.ProjectManager$6.run(ProjectManager.java:643)
        at org.netbeans.api.project.ProjectManager$6.run(ProjectManager.java:632)
        at org.openide.util.Mutex.writeAccess(Mutex.java:433)
        at org.netbeans.api.project.ProjectManager.saveProject(ProjectManager.java:632)
        at org.netbeans.modules.java.api.common.classpath.ClassPathModifierSupport$3.run(ClassPathModifierSupport.java:282)
        at org.netbeans.modules.java.api.common.classpath.ClassPathModifierSupport$3.run(ClassPathModifierSupport.java:258)
        at org.openide.util.Mutex.writeAccess(Mutex.java:433)
        at org.netbeans.modules.java.api.common.classpath.ClassPathModifierSupport.handleLibraryClassPathItems(ClassPathModifierSupport.java:257)
        at org.netbeans.modules.java.api.common.classpath.ClassPathModifierSupport.handleLibraries(ClassPathModifierSupport.java:225)
        at org.netbeans.modules.java.api.common.classpath.ClassPathModifier.handleLibraries(ClassPathModifier.java:183)
        at org.netbeans.modules.java.api.common.classpath.ClassPathModifier.addLibraries(ClassPathModifier.java:179)
        at org.netbeans.spi.java.project.classpath.ProjectClassPathModifierImplementation$Accessor.addLibraries(ProjectClassPathModifierImplementation.java:422)
        at org.netbeans.api.java.project.classpath.ProjectClassPathModifier.addLibraries(ProjectClassPathModifier.java:92)
        at org.netbeans.modules.java.api.common.project.ui.LibrariesNode$AddLibraryAction.addLibraries(LibrariesNode.java:675)
        at org.netbeans.modules.java.api.common.project.ui.LibrariesNode$AddLibraryAction.actionPerformed(LibrariesNode.java:669)
        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:6263)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
        at java.awt.Component.processEvent(Component.java:6028)
        at java.awt.Container.processEvent(Container.java:2041)
        at java.awt.Component.dispatchEventImpl(Component.java:4630)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
        at java.awt.Container.dispatchEventImpl(Container.java:2085)
        at java.awt.Window.dispatchEventImpl(Window.java:2475)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        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)