java.lang.AssertionError: Wrong diagnostic handler: com.sun.tools.javac.util.Log$DeferredDiagnosticHandler@1b0fe67c Thread dump: Inactive RequestProcessor thread [Was:Asynch children creator /null] java.lang.Object.wait(Native Method) org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2002) State Data Manager java.lang.Thread.sleep(Native Method) org.eclipse.osgi.internal.baseadaptor.StateManager.run(StateManager.java:297) java.lang.Thread.run(Thread.java:745) Deadlock Detector java.lang.Thread.sleep(Native Method) org.netbeans.modules.deadlock.detector.Detector.run(Detector.java:138) java.lang.Thread.run(Thread.java:745) pool-2-thread-2 java.lang.Thread.sleep(Native Method) org.netbeans.api.extexecution.base.input.InputReaderTask.run(InputReaderTask.java:213) org.netbeans.api.extexecution.input.InputReaderTask.run(InputReaderTask.java:154) java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) java.util.concurrent.FutureTask.run(FutureTask.java:266) java.util at com.sun.tools.javac.util.Assert.error(Assert.java:162) at com.sun.tools.javac.util.Assert.check(Assert.java:87) at com.sun.tools.javac.util.Log.popDiagnosticHandler(Log.java:444) at com.sun.tools.javac.api.JavacTrees.attributeDocReference(JavacTrees.java:529) at com.sun.tools.javac.api.JavacTrees.ensureDocReferenceAttributed(JavacTrees.java:441) at org.netbeans.api.java.source.TreeUtilities.getReferenceClass(TreeUtilities.java:1668) at org.netbeans.modules.java.editor.base.javadoc.JavadocImports.referenceEmbeddedSourceNodes(JavadocImports.java:604) at org.netbeans.modules.java.editor.base.javadoc.JavadocImports.access$100(JavadocImports.java:87) at org.netbeans.modules.java.editor.base.javadoc.JavadocImports$1.visitReference(JavadocImports.java:139) at org.netbeans.modules.java.editor.base.javadoc.JavadocImports$1.visitReference(JavadocImports.java:122) at com.sun.tools.javac.tree.DCTree$DCReference.accept(DCTree.java:548) at com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:71) at com.sun.source.util.DocTreeScanner.visitLink(DocTreeScanner.java:271) at com.sun.tools.javac.tree.DCTree$DCLink.accept(DCTree.java:445) at com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:71) at com.sun.source.util.DocTreeScanner.scanAndReduce(DocTreeScanner.java:84) at com.sun.source.util.DocTreeScanner.scan(DocTreeScanner.java:99) at com.sun.source.util.DocTreeScanner.scanAndReduce(DocTreeScanner.java:107) at com.sun.source.util.DocTreeScanner.visitParam(DocTreeScanner.java:298) at com.sun.tools.javac.tree.DCTree$DCParam.accept(DCTree.java:503) at com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:71) at com.sun.source.util.DocTreeScanner.scanAndReduce(DocTreeScanner.java:84) at com.sun.source.util.DocTreeScanner.scan(DocTreeScanner.java:99) at com.sun.source.util.DocTreeScanner.scanAndReduce(DocTreeScanner.java:107) at com.sun.source.util.DocTreeScanner.visitDocComment(DocTreeScanner.java:186) at com.sun.tools.javac.tree.DCTree$DCDocComment.accept(DCTree.java:135) at com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:50) at org.netbeans.modules.java.editor.base.javadoc.JavadocImports.computeReferencedElements(JavadocImports.java:145) at org.netbeans.modules.java.editor.base.imports.UnusedImports$DetectorVisitor.handleJavadoc(UnusedImports.java:150) at org.netbeans.modules.java.editor.base.imports.UnusedImports$DetectorVisitor.visitMethod(UnusedImports.java:169) at org.netbeans.modules.java.editor.base.imports.UnusedImports$DetectorVisitor.visitMethod(UnusedImports.java:129) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:874) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188) at org.netbeans.modules.java.editor.base.imports.UnusedImports$DetectorVisitor.visitClass(UnusedImports.java:164) at org.netbeans.modules.java.editor.base.imports.UnusedImports$DetectorVisitor.visitClass(UnusedImports.java:129) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:782) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103) at org.netbeans.modules.java.editor.base.imports.UnusedImports$DetectorVisitor.visitCompilationUnit(UnusedImports.java:190) at org.netbeans.modules.java.editor.base.imports.UnusedImports$DetectorVisitor.visitCompilationUnit(UnusedImports.java:129) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:563) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94) at org.netbeans.modules.java.editor.base.imports.UnusedImports.process(UnusedImports.java:107) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase.process(SemanticHighlighterBase.java:296) at org.netbeans.modules.java.editor.semantic.SemanticHighlighter.process(SemanticHighlighter.java:76) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase.run(SemanticHighlighterBase.java:153) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:584) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:809) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:725) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:686) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)