org.openide.loaders.DataObjectNotFoundException: PropertyRendererTest_1.java
        at org.openide.loaders.DataObject.find(DataObject.java:458)
        at org.openide.loaders.DataNode$ObjectHandle.getNode(DataNode.java:732)
        at org.netbeans.modules.java.JavaDataObject$PersistentConnectionHandle.getNode(JavaDataObject.java:1253)
        at org.openide.loaders.ConnectionSupport$Pair.getNode(ConnectionSupport.java:357)
[catch] at org.openide.loaders.ConnectionSupport.register(ConnectionSupport.java:94)
        at org.netbeans.modules.java.codesync.SourceConnectionSupport.registerDependency(SourceConnectionSupport.java:467)
        at org.netbeans.modules.java.codesync.SourceConnectionSupport.addDependency(SourceConnectionSupport.java:546)
        at org.netbeans.modules.java.codesync.ClassDependencyImpl.supertypesAdded(ClassDependencyImpl.java:239)
        at org.netbeans.modules.java.codesync.ClassDependencyImpl.superclassChanged(ClassDependencyImpl.java:308)
        at org.netbeans.modules.java.codesync.ClassDependencyImpl.propertyChange(ClassDependencyImpl.java:100)
        at org.netbeans.modules.java.model.ElementImpl.firePropertyChangeEvent(ElementImpl.java:331)
        at org.netbeans.modules.java.model.EventQueue.fireEvents(EventQueue.java:163)
        at org.netbeans.modules.java.model.DefaultLangModel.processOutputQueue(DefaultLangModel.java:395)
        at org.netbeans.modules.java.model.DefaultLangModel.run(DefaultLangModel.java:374)
        at org.openide.util.Task.run(Task.java:136)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:677)
==>
org.openide.filesystems.FileStateInvalidException: PropertyRendererTest_1.java
        at org.openide.loaders.DataObject.find(DataObject.java:438)
        at org.openide.loaders.DataNode$ObjectHandle.getNode(DataNode.java:732)
        at org.netbeans.modules.java.JavaDataObject$PersistentConnectionHandle.getNode(JavaDataObject.java:1253)
        at org.openide.loaders.ConnectionSupport$Pair.getNode(ConnectionSupport.java:357)
[catch] at org.openide.loaders.ConnectionSupport.register(ConnectionSupport.java:94)
        at org.netbeans.modules.java.codesync.SourceConnectionSupport.registerDependency(SourceConnectionSupport.java:467)
        at org.netbeans.modules.java.codesync.SourceConnectionSupport.addDependency(SourceConnectionSupport.java:546)
        at org.netbeans.modules.java.codesync.ClassDependencyImpl.supertypesAdded(ClassDependencyImpl.java:239)
        at org.netbeans.modules.java.codesync.ClassDependencyImpl.superclassChanged(ClassDependencyImpl.java:308)
        at org.netbeans.modules.java.codesync.ClassDependencyImpl.propertyChange(ClassDependencyImpl.java:100)
        at org.netbeans.modules.java.model.ElementImpl.firePropertyChangeEvent(ElementImpl.java:331)
        at org.netbeans.modules.java.model.EventQueue.fireEvents(EventQueue.java:163)
        at org.netbeans.modules.java.model.DefaultLangModel.processOutputQueue(DefaultLangModel.java:395)
        at org.netbeans.modules.java.model.DefaultLangModel.run(DefaultLangModel.java:374)
        at org.openide.util.Task.run(Task.java:136)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:677)
Warning - org.netbeans.modules.java.imptool.ImpToolAction should override CallableSystemAction.asynchronous() to return false
Warning: use of system property netbeans.debug.exceptions in org.netbeans.editor.EditorUI has been obsoleted in favor of ErrorManager
*********** Exception occurred ************ at Sat Oct 18 19:06:30 CEST 2003
Annotation: Exception occurred in Request Processor
java.lang.NullPointerException
        at org.openide.text.CloneableEditorSupport$1.run(CloneableEditorSupport.java:404)
        at org.openide.util.Task.run(Task.java:136)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:677)