Hi All,

I have four jbosses working in one cluster. Sometimes when I stop or restart one of them I get following error:

ERROR [  ]

[org.springframework.scheduling.support.MethodInvokingRunnable] Invocation of

method 'myMethod' on target class [class

MyClass] failed

org.springframework.jmx.access.InvalidInvocationException:

jboss.ha:service=HASingletonDeployer is not registered.

        at

org.springframework.jmx.access.MBeanClientInterceptor.doInvoke(MBeanClientInterceptor.java:445)

        at

org.springframework.jmx.access.MBeanClientInterceptor.invoke(MBeanClientInterceptor.java:353)

        at

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)

        at

org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)

        at $Proxy323.isMasterNode(Unknown Source)

        at

...

sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

        at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:597)

        at

org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273)

        at

org.springframework.scheduling.support.MethodInvokingRunnable.run(MethodInvokingRunnable.java:65)

        at

org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:51)

        at

java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

        at

java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)

        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)

        at

java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)

        at

java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)

        at

java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)

        at

java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)

        at

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)

        at java.lang.Thread.run(Thread.java:619)

"myMethod" is a method which is activated every 10 seconds and I check thereif my jboss is a maaster node (I am using HA-Singleton).

I check this using something like isMasterNode() on HASingletonMBean.

I will be grateful for any help.