java.lang.AssertionError
	at org.netbeans.lib.gjast.ASTreeNode.<init>(ASTreeNode.java:44)
	at org.netbeans.lib.gjast.ASTreeNode.<init>(ASTreeNode.java:40)
	at org.netbeans.lib.gjast.ASAnnotation.makeSubTrees(ASAnnotation.java:76)
	at org.netbeans.lib.gjast.ASAnnotation.<init>(ASAnnotation.java:22)
	at org.netbeans.lib.gjast.ASTreeMaker.Annotation(ASTreeMaker.java:530)
	at com.sun.tools.javac.parser.Parser.annotation(Parser.java:2012)
	at com.sun.tools.javac.parser.Parser.modifiersOpt(Parser.java:1975)
	at com.sun.tools.javac.parser.Parser.modifiersOpt(Parser.java:1939)
	at com.sun.tools.javac.parser.Parser.typeDeclaration(Parser.java:2237)
	at com.sun.tools.javac.parser.Parser.compilationUnit(Parser.java:2181)
	at org.netbeans.lib.gjast.ASParser.parse(ASParser.java:251)
	at org.netbeans.lib.gjast.ASParser.compile(ASParser.java:182)
	at org.netbeans.lib.gjast.ASParser.parse(ASParser.java:129)
	at org.netbeans.modules.javacore.parser.ASTProvider.createASTree(ASTProvider.java:79)
	at org.netbeans.modules.javacore.parser.ASTProvider.getASTree(ASTProvider.java:327)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.directUpdate(ResourceImpl.java:513)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.checkUpToDate(ResourceImpl.java:470)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ResourceImpl.updateFromDataObject(ResourceImpl.java:379)
	at org.netbeans.modules.javacore.RepositoryUpdater.createOrUpdateResource(RepositoryUpdater.java:173)
	at org.netbeans.modules.javacore.ExclusiveMutex.parseIfNeeded(ExclusiveMutex.java:190)
	at org.netbeans.modules.javacore.ExclusiveMutex.enter(ExclusiveMutex.java:137)
	at org.netbeans.mdr.NBMDRepositoryImpl.beginTrans(NBMDRepositoryImpl.java:232)
	at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:337)
	at org.netbeans.modules.javacore.JMManager.getResource(JMManager.java:329)
	at org.netbeans.modules.clazz.SourceElementImpl.checkData(SourceElementImpl.java:226)
	at org.netbeans.modules.clazz.SourceElementImpl.getClasses(SourceElementImpl.java:145)
	at org.openide.src.SourceElement.getClasses(SourceElement.java:227)
	at org.openide.src.nodes.SourceChildren.addKeysOfType(SourceChildren.java:312)
	at org.openide.src.nodes.SourceChildren.refreshAllKeys(SourceChildren.java:293)
	at org.openide.src.nodes.SourceChildren.refreshKeys(SourceChildren.java:279)
	at org.openide.src.nodes.SourceChildren.access$200(SourceChildren.java:48)
	at org.openide.src.nodes.SourceChildren$1.run(SourceChildren.java:342)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)