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 org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.indexOf(TreeEvaluator.java:215)
        at org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.evaluate(TreeEvaluator.java:126)
        at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluateIn(JavaEvaluator.java:137)
        at org.netbeans.modules.debugger.jpda.JavaEvaluator.evaluate(JavaEvaluator.java:86)
        at org.netbeans.modules.debugger.jpda.expr.EvaluatorExpression$AssociatedExpression.evaluate(EvaluatorExpression.java:87)
        at org.netbeans.modules.debugger.jpda.expr.EvaluatorExpression.evaluate(EvaluatorExpression.java:70)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateGeneric(JPDADebuggerImpl.java:838)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateIn(JPDADebuggerImpl.java:724)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateIn(JPDADebuggerImpl.java:718)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.evaluateConditionIn(BreakpointImpl.java:733)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.evaluateCondition(BreakpointImpl.java:611)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.processCondition(BreakpointImpl.java:356)
        at org.netbeans.modules.debugger.jpda.breakpoints.ClassBasedBreakpoint.processCondition(ClassBasedBreakpoint.java:93)
        at org.netbeans.modules.debugger.jpda.breakpoints.LineBreakpointImpl.processCondition(LineBreakpointImpl.java:393)
        at org.netbeans.modules.debugger.jpda.util.Operator$1.run(Operator.java:322)
        at java.lang.Thread.run(Thread.java:619)