Java stack information for the threads listed above:
===================================================
"Remoting "management-client" task-4":
        at org.jboss.msc.service.ServiceControllerImpl.removeMonitor(ServiceControllerImpl.java:1475)
        - waiting to lock <0x00000007e8d320f8> (a org.jboss.msc.service.ServiceControllerImpl)
        at org.jboss.msc.service.StabilityMonitor.removeController(StabilityMonitor.java:155)
        - locked <0x00000007e8d32190> (a java.lang.Object)
        at org.jboss.as.jmx.MscMBeanServer.removeMBean(MscMBeanServer.java:111)
        at org.jboss.as.jmx.MscMBeanServer.unregisterMBean(MscMBeanServer.java:163)
        at org.jboss.as.jmx.PluggableMBeanServerImpl.unregisterMBean(PluggableMBeanServerImpl.java:1148)
        at org.xnio.Xnio$MBeanCloseable.close(Xnio.java:598)
        at org.xnio.IoUtils.safeClose(IoUtils.java:134)
        at org.xnio.nio.NioXnioWorker.taskPoolTerminated(NioXnioWorker.java:348)
        at org.xnio.XnioWorker$TaskPool.terminated(XnioWorker.java:867)
        at java.util.concurrent.ThreadPoolExecutor.tryTerminate(ThreadPoolExecutor.java:704)
        at java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1006)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1163)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)
"MSC service thread 1-8":
        at org.jboss.msc.service.StabilityMonitor.removeControllerNoCallback(StabilityMonitor.java:170)
        - waiting to lock <0x00000007e8d32190> (a java.lang.Object)
        at org.jboss.msc.service.ServiceControllerImpl.transition(ServiceControllerImpl.java:688)
        at org.jboss.msc.service.ServiceControllerImpl$RemoveTask.run(ServiceControllerImpl.java:2267)
        - locked <0x00000007e8d320f8> (a org.jboss.msc.service.ServiceControllerImpl)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)