Thread 'Thread-47' (4c4d7bd9) from DBG(3ce8a500), isSuspended = true, isSuspendedNoFire = false, isThreadSuspended = true, isInStep = false, isMethodInvoking = false
During evaluation of 'fileName'
Caused: com.sun.jdi.InvalidStackFrameException: Thread has been resumed
   at com.sun.tools.jdi.StackFrameImpl.validateStackFrame(StackFrameImpl.java:62)
   at com.sun.tools.jdi.StackFrameImpl.location(StackFrameImpl.java:71)
   at com.sun.tools.jdi.LocalVariableImpl.isVisible(LocalVariableImpl.java:102)
   at com.sun.tools.jdi.StackFrameImpl.createVisibleVariables(StackFrameImpl.java:148)
   at com.sun.tools.jdi.StackFrameImpl.visibleVariableByName(StackFrameImpl.java:178)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorVisitor.visitIdentifier(EvaluatorVisitor.java:1918)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorVisitor.visitIdentifier(EvaluatorVisitor.java:194)
   at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:1716)
   at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:49)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorVisitor.scan(EvaluatorVisitor.java:232)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorVisitor.scan(EvaluatorVisitor.java:194)
   at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl.parseExpression(EditorContextImpl.java:1917)
   at sun.reflect.GeneratedMethodAccessor355.invoke(GeneratedMethodAccessor355.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.netbeans.modules.debugger.jpda.EditorContextBridge.parseExpression(EditorContextBridge.java:130)
   at org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.evaluate(TreeEvaluator.java:179)
   at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluateIn(JavaEvaluator.java:143)
   at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluate(JavaEvaluator.java:91)
   at org.netbeans.modules.debugger.jpda.expr.EvaluatorExpression$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:894)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluate(JPDADebuggerImpl.java:351)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluate(JPDADebuggerImpl.java:315)
   at org.netbeans.modules.debugger.jpda.projects.ToolTipAnnotation.run(ToolTipAnnotation.java:213)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1411)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1991)