java.lang.NullPointerException
   at com.sun.tools.javac.comp.MemberEnter.getMethodEnv(MemberEnter.java:896)
   at com.sun.tools.javac.api.JavacTrees.getAttrContext(JavacTrees.java:311)
   at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:217)
   at com.sun.tools.javac.api.JavacTrees.getScope(JavacTrees.java:84)
   at org.netbeans.api.java.source.TreeUtilities.scopeFor(TreeUtilities.java:503)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl$ParseExpressionTask.run(EditorContextImpl.java:2154)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl.parseExpression(EditorContextImpl.java:2081)
   at sun.reflect.GeneratedMethodAccessor239.invoke(GeneratedMethodAccessor239.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.netbeans.modules.debugger.jpda.EditorContextBridge.parseExpression(EditorContextBridge.java:130)
   at org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.evaluate(TreeEvaluator.java:183)
   at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluateIn(JavaEvaluator.java:144)
   at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluate(JavaEvaluator.java:92)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorExpression$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:896)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluate(JPDADebuggerImpl.java:353)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluate(JPDADebuggerImpl.java:317)
   at org.netbeans.modules.debugger.jpda.projects.ToolTipAnnotation.run(ToolTipAnnotation.java:212)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2048)