# ERROR: EventHandler> Exception occured in eventHandler thread: connection is closed
The following stacktrace is for failure analysis.
nsk.share.TestFailure: EventHandler> Exception occured in eventHandler thread: connection is closed
at nsk.share.Log.logExceptionForFailureAnalysis(Log.java:431)
at nsk.share.Log.complain(Log.java:402)
at nsk.share.jdi.EventHandler.complain(EventHandler.java:121)
at nsk.share.jdi.EventHandler.run(EventHandler.java:204)
at java.base/java.lang.Thread.run(Thread.java:1583)
com.sun.jdi.VMDisconnectedException: connection is closed
at jdk.jdi/com.sun.tools.jdi.TargetVM.send(TargetVM.java:293)
at jdk.jdi/com.sun.tools.jdi.VirtualMachineImpl.sendToTarget(VirtualMachineImpl.java:1172)
at jdk.jdi/com.sun.tools.jdi.PacketStream.send(PacketStream.java:79)
at jdk.jdi/com.sun.tools.jdi.JDWP$ReferenceType$SignatureWithGeneric.enqueueCommand(JDWP.java:2678)
at jdk.jdi/com.sun.tools.jdi.JDWP$ReferenceType$SignatureWithGeneric.process(JDWP.java:2664)
at jdk.jdi/com.sun.tools.jdi.ReferenceTypeImpl.genericSignature(ReferenceTypeImpl.java:213)
at jdk.jdi/com.sun.tools.jdi.ReferenceTypeImpl.signature(ReferenceTypeImpl.java:192)
at jdk.jdi/com.sun.tools.jdi.TypeImpl.name(TypeImpl.java:42)
at nsk.jdi.MethodExitRequest.addClassExclusionFilter.filter001$1.eventReceived(filter001.java:113)
at nsk.share.jdi.EventHandler.run(EventHandler.java:176)
at java.base/java.lang.Thread.run(Thread.java:1583)
EventHandler> waitForVMDisconnect: done