java.lang.NullPointerException
   at org.netbeans.modules.nbform.FormDesignerTC.getToolbarRepresentation(FormDesignerTC.java:341)
   at org.netbeans.core.multiview.MultiViewPeer.peerComponentShowing(MultiViewPeer.java:283)
   at org.netbeans.core.multiview.MultiViewCloneableTopComponent.componentShowing(MultiViewCloneableTopComponent.java:129)
   at org.openide.windows.WindowManager.componentShowing(WindowManager.java:339)
   at org.netbeans.core.windows.WindowManagerImpl.componentShowing(WindowManagerImpl.java:1191)
   at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:168)
   at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:275)
   at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:251)
   at org.netbeans.core.windows.ViewRequestor.postRequest(ViewRequestor.java:189)
   at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:127)
   at org.netbeans.core.windows.Central.removeModeTopComponent(Central.java:1018)
   at org.netbeans.core.windows.ModeImpl.removeTopComponent(ModeImpl.java:478)
   at org.netbeans.core.windows.ModeImpl.close(ModeImpl.java:286)
   at org.netbeans.core.windows.WindowManagerImpl.topComponentClose(WindowManagerImpl.java:1312)
   at org.openide.windows.TopComponent.close(TopComponent.java:561)
   at org.openide.windows.TopComponent.close(TopComponent.java:548)
   at org.openide.windows.CloneableOpenSupport$2.run(CloneableOpenSupport.java:158)
   at org.openide.windows.CloneableOpenSupport$2.run(CloneableOpenSupport.java:144)
   at org.openide.util.Mutex.doEventAccess(Mutex.java:1363)
   at org.openide.util.Mutex.writeAccess(Mutex.java:382)
   at org.openide.windows.CloneableOpenSupport.close(CloneableOpenSupport.java:143)
   at org.openide.text.CloneableEditorSupport.close(CloneableEditorSupport.java:2237)
   at org.openide.windows.CloneableOpenSupport$Listener.run(CloneableOpenSupport.java:351)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:721)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:682)
   at java.awt.EventQueue$3.run(EventQueue.java:680)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:691)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)