java.lang.NullPointerException
   at org.openide.text.DataEditorSupport$Env$1Mark.<init>(DataEditorSupport.java:956)
   at org.openide.text.DataEditorSupport$Env.markModified(DataEditorSupport.java:971)
   at org.openide.text.CloneableEditorSupport.notifyModified(CloneableEditorSupport.java:1553)
   at org.netbeans.modules.mobility.editor.pub.J2MEDataObject$J2MEEditorSupport.notifyModified(J2MEDataObject.java:443)
   at org.netbeans.modules.vmd.io.javame.MEDesignEditorSupport.notifyModified(MEDesignEditorSupport.java:143)
   at org.netbeans.modules.vmd.io.javame.MEDesignDataObject.notifyEditorSupportModified(MEDesignDataObject.java:124)
   at org.netbeans.modules.vmd.io.DataObjectContextImpl.notifyModified(DataObjectContextImpl.java:124)
   at org.netbeans.modules.vmd.io.DocumentInterfaceImpl.notifyModified(DocumentInterfaceImpl.java:77)
   at org.netbeans.modules.vmd.api.model.TransactionManager.writeAccessRootEnd(TransactionManager.java:158)
   at org.netbeans.modules.vmd.api.model.TransactionManager.writeAccessCore(TransactionManager.java:126)
   at org.netbeans.modules.vmd.api.model.TransactionManager.access$100(TransactionManager.java:63)
   at org.netbeans.modules.vmd.api.model.TransactionManager$2$1.run(TransactionManager.java:106)
   at org.openide.util.Mutex.writeAccess(Mutex.java:479)
   at org.netbeans.modules.vmd.api.model.TransactionManager$2.run(TransactionManager.java:104)
   at org.openide.util.Mutex.readAccess(Mutex.java:372)
   at org.netbeans.modules.vmd.api.model.DescriptorRegistry$2.run(DescriptorRegistry.java:124)
   at org.openide.util.Mutex.readAccess(Mutex.java:372)
   at org.netbeans.modules.vmd.api.model.GlobalDescriptorRegistry.readAccess(GlobalDescriptorRegistry.java:163)
   at org.netbeans.modules.vmd.api.model.DescriptorRegistry.readAccess(DescriptorRegistry.java:122)
   at org.netbeans.modules.vmd.api.model.TransactionManager.writeAccess(TransactionManager.java:102)
   at org.netbeans.modules.vmd.api.flow.visual.FlowScene$FlowRenameEditor.setText(FlowScene.java:923)
   at org.netbeans.modules.visual.action.TextFieldInplaceEditorProvider.notifyClosing(TextFieldInplaceEditorProvider.java:135)
   at org.netbeans.modules.visual.action.TextFieldInplaceEditorProvider.notifyClosing(TextFieldInplaceEditorProvider.java:61)
   at org.netbeans.modules.visual.action.InplaceEditorAction.closeEditor(InplaceEditorAction.java:207)
   at org.netbeans.modules.visual.action.InplaceEditorAction.mouseReleased(InplaceEditorAction.java:114)
   at org.netbeans.api.visual.action.WidgetAction$Chain.mouseReleased(WidgetAction.java:793)
   at org.netbeans.api.visual.widget.SceneComponent$Operator$3.operate(SceneComponent.java:564)
   at org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:335)
   at org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:327)
   at org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:327)
   at org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:327)
   at org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:290)
   at org.netbeans.api.visual.widget.SceneComponent.mouseReleased(SceneComponent.java:166)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
   at java.awt.Component.processMouseEvent(Component.java:6525)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
   at java.awt.Component.processEvent(Component.java:6290)
   at java.awt.Container.processEvent(Container.java:2234)
   at java.awt.Component.dispatchEventImpl(Component.java:4881)
   at java.awt.Container.dispatchEventImpl(Container.java:2292)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4898)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4533)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4462)
   at java.awt.Container.dispatchEventImpl(Container.java:2278)
   at java.awt.Window.dispatchEventImpl(Window.java:2739)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
   at java.awt.EventQueue$4.run(EventQueue.java:719)
   at java.awt.EventQueue$4.run(EventQueue.java:717)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)