com.sun.jdi.IncompatibleThreadStateException at com.sun.tools.jdi.ObjectReferenceImpl.invokeMethod(ObjectReferenceImpl.java:395) at com.zeroturnaround.jdi.JRObjectReference.invokeMethodFallback(JRObjectReference.java:201) at com.zeroturnaround.jdi.JRObjectReference.invokeMethodRebel(JRObjectReference.java:190) at com.zeroturnaround.jdi.JRObjectReference.invokeMethod(JRObjectReference.java:156) at com.sun.tools.jdi.ClassLoaderReferenceImpl$$$jr.invokeMethod(ClassLoaderReferenceImpl.java:60000) at org.netbeans.modules.debugger.jpda.jdi.ObjectReferenceWrapper.invokeMethod(ObjectReferenceWrapper.java:510) at org.netbeans.modules.debugger.jpda.visual.RemoteServices.uploadBasicClasses(RemoteServices.java:265) at org.netbeans.modules.debugger.jpda.visual.VisualDebuggerListener.initDebuggerRemoteService(VisualDebuggerListener.java:257) at org.netbeans.modules.debugger.jpda.visual.VisualDebuggerListener.access$100(VisualDebuggerListener.java:116) at org.netbeans.modules.debugger.jpda.visual.VisualDebuggerListener$2.breakpointReached(VisualDebuggerListener.java:183) at org.netbeans.api.debugger.jpda.JPDABreakpoint.fireJPDABreakpointChange(JPDABreakpoint.java:300) at org.netbeans.api.debugger.jpda.JPDADebugger.fireBreakpointEvent(JPDADebugger.java:491) at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.fireBreakpointEvent(JPDADebuggerImpl.java:659) at org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.perform(BreakpointImpl.java:559) at org.netbeans.modules.debugger.jpda.breakpoints.MethodBreakpointImpl.exec(MethodBreakpointImpl.java:258) at org.netbeans.modules.debugger.jpda.util.Operator.processEvents(Operator.java:502) at org.netbeans.modules.debugger.jpda.util.Operator.access$800(Operator.java:116) at org.netbeans.modules.debugger.jpda.util.Operator$1.run(Operator.java:247) at java.lang.Thread.run(Thread.java:745)