java.lang.NullPointerException
	at org.netbeans.modules.java.JavaEditor$JavaEditorComponent.initialize(JavaEditor.java:944)
	at org.netbeans.modules.java.JavaEditor$JavaEditorComponent.readExternal(JavaEditor.java:1061)
	at org.openide.windows.TopComponent$Replacer.readObject(TopComponent.java:682)
	at java.lang.reflect.Method.invoke(Native Method)
	at java.io.ObjectInputStream.invokeObjectReader(ObjectInputStream.java:2213)
	at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1410)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
	at org.openide.util.io.NbMarshalledObject.get(NbMarshalledObject.java:88)
	at org.netbeans.core.windows.WindowManagerImpl$TopComponentManager.validateData(WindowManagerImpl.java:1162)
	at org.netbeans.core.windows.MultiTabContainer.validateData(MultiTabContainer.java:905)
	at org.netbeans.core.windows.ModeImpl.validateData(ModeImpl.java:815)
	at org.netbeans.core.windows.WorkspaceImpl.validateData(WorkspaceImpl.java:767)
	at org.netbeans.core.windows.WindowManagerImpl$SerializationReplacer.readResolve(WindowManagerImpl.java:701)
	at java.lang.reflect.Method.invoke(Native Method)
	at java.io.ObjectStreamClass.invokeMethod(ObjectStreamClass.java:1615)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:393)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
	at org.openide.util.io.NbMarshalledObject.get(NbMarshalledObject.java:88)
	at org.openidex.projects.ProjectSupport.updateWindowManager(ProjectSupport.java:310)
	at org.openidex.projects.ProjectSupport.projectOpen(ProjectSupport.java:299)
	at org.netbeans.modules.projects.PSupport.projectOpen(PSupport.java:161)
	at org.netbeans.core.NbProjectOperation.setProject(NbProjectOperation.java:146)
	at org.netbeans.core.NbTopManager.openProject(NbTopManager.java:302)
	at org.openide.actions.OpenProjectAction$1.run(OpenProjectAction.java:68)
	at org.openide.util.Task.run(Task.java:124)
	at org.openide.util.RequestProcessor$ProcessorThread.run(RequestProcessor.java:562)