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:150)
        at org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.evaluate(TreeEvaluator.java:105)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateIn(JPDADebuggerImpl.java:770)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.evaluateConditionIn(BreakpointImpl.java:677)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.evaluateCondition(BreakpointImpl.java:563)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.processCondition(BreakpointImpl.java:329)
        at org.netbeans.modules.debugger.jpda.breakpoints.LineBreakpointImpl.processCondition(LineBreakpointImpl.java:239)
        at org.netbeans.modules.debugger.jpda.util.Operator$1.run(Operator.java:208)
        at java.lang.Thread.run(Thread.java:619)