java.lang.AssertionError: Wrong diagnostic handler: com.sun.tools.javac.util.Log$DeferredDiagnosticHandler@52fe03ec
   at com.sun.tools.javac.util.Assert.error(Assert.java:133)
   at com.sun.tools.javac.util.Assert.check(Assert.java:94)
   at com.sun.tools.javac.util.Log.popDiagnosticHandler(Log.java:467)
   at com.sun.tools.javac.api.JavacTrees.attribStatToTree(JavacTrees.java:888)
   at com.sun.tools.javac.api.JavacTrees.getAttrContext(JavacTrees.java:847)
   at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:726)
   at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:124)
   at org.netbeans.api.java.source.TreeUtilities.scopeFor(TreeUtilities.java:622)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl$ParseExpressionTask.run(EditorContextImpl.java:2242)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl.parseExpression(EditorContextImpl.java:2169)
   at sun.reflect.GeneratedMethodAccessor307.invoke(GeneratedMethodAccessor307.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.netbeans.modules.debugger.jpda.EditorContextBridge.parseExpression(EditorContextBridge.java:130)
   at org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.evaluate(TreeEvaluator.java:187)
   at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluateIn(JavaEvaluator.java:144)
   at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluate(JavaEvaluator.java:92)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorExpression$AssociatedExpression.evaluate(EvaluatorExpression.java:90)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorExpression.evaluate(EvaluatorExpression.java:73)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateGeneric(JPDADebuggerImpl.java:962)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluate(JPDADebuggerImpl.java:375)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluate(JPDADebuggerImpl.java:339)
   at org.netbeans.modules.debugger.jpda.projects.ToolTipAnnotation.run(ToolTipAnnotation.java:246)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)