java.lang.Exception: Thread dump
        at org.openide.loaders.FolderLookup$ProxyLkp.beforeLookup(FolderLookup.java:365)
        at org.openide.util.lookup.ProxyLookup$R.myBeforeLookup(ProxyLookup.java:554)
        at org.openide.util.lookup.ProxyLookup$R.beforeLookup(ProxyLookup.java:573)
        at org.openide.util.lookup.ProxyLookup$R.myBeforeLookup(ProxyLookup.java:562)
        at org.openide.util.lookup.ProxyLookup$R.computeResult(ProxyLookup.java:427)
        at org.openide.util.lookup.ProxyLookup$R.allInstances(ProxyLookup.java:400)
        at org.openide.util.Lookup.lookupAll(Lookup.java:215)
        at org.openide.text.CloneableEditorSupportRedirector.findRedirect(CloneableEditorSupportRedirector.java:46)
        at org.openide.text.CloneableEditorSupport.setMIMEType(CloneableEditorSupport.java:1185)
        at org.netbeans.modules.mobility.editor.pub.J2MEDataObject$J2MEEditorSupport.<init>(J2MEDataObject.java:186)
        at org.netbeans.modules.vmd.io.javame.MEDesignEditorSupport.<init>(MEDesignEditorSupport.java:69)
        at org.netbeans.modules.vmd.io.javame.MEDesignDataObject.<init>(MEDesignDataObject.java:50)
        at org.netbeans.modules.vmd.io.javame.MEDesignDataLoader.createMultiObject(MEDesignDataLoader.java:72)
        at org.openide.loaders.MultiFileLoader.handleFindDataObject(MultiFileLoader.java:120)
        at org.openide.loaders.DataObjectPool.handleFindDataObject(DataObjectPool.java:122)
        at org.openide.loaders.DataLoader.findDataObject(DataLoader.java:358)
        at org.openide.loaders.DataLoaderPool.findDataObject(DataLoaderPool.java:393)
        at org.openide.loaders.DataLoaderPool.findDataObject(DataLoaderPool.java:353)
        at org.openide.loaders.DataObject.find(DataObject.java:457)
        at org.netbeans.api.java.source.JavaSource$DataObjectListener.handleInvalidDataObjectImpl(JavaSource.java:1373)
        at org.netbeans.api.java.source.JavaSource$DataObjectListener.access$2700(JavaSource.java:1336)
        at org.netbeans.api.java.source.JavaSource$DataObjectListener$1.run(JavaSource.java:1363)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:541)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:963)