com.sun.jdi.IncompatibleThreadStateException
        at com.sun.tools.jdi.ThreadReferenceImpl.privateFrames(ThreadReferenceImpl.java:365)
        at com.sun.tools.jdi.ThreadReferenceImpl.frame(ThreadReferenceImpl.java:277)
        at org.netbeans.modules.debugger.jpda.jdi.ThreadReferenceWrapper.frame(ThreadReferenceWrapper.java:132)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.evaluateCondition(BreakpointImpl.java:596)
        at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.processCondition(BreakpointImpl.java:345)
        at org.netbeans.modules.debugger.jpda.breakpoints.ClassBasedBreakpoint.processCondition(ClassBasedBreakpoint.java:85)
        at org.netbeans.modules.debugger.jpda.breakpoints.LineBreakpointImpl.processCondition(LineBreakpointImpl.java:376)
        at org.netbeans.modules.debugger.jpda.util.Operator$1.run(Operator.java:241)
        at java.lang.Thread.run(Thread.java:619)