Thread dump operation fails against JBossAS in JON

org.mc4j.ems.connection.EmsConnectException: java.io.StreamCorruptedException: javax.management.openmbean.OpenDataException: item value [Ljavax.management.openmbean.CompositeData;@48c1918e for item name lockedMonitors is not a javax.management.openmbean.ArrayType
[Ljavax.management.openmbean.CompositeData;
1-dimensional array of
javax.management.openmbean.CompositeType
name=className type=javax.management.openmbean.SimpleType:java.lang.String
name=identityHashCode type=javax.management.openmbean.SimpleType:java.lang.Integer
name=lockedStackDepth type=javax.management.openmbean.SimpleType:java.lang.Integer
name=lockedStackFrame type=javax.management.openmbean.CompositeType
name=className type=javax.management.openmbean.SimpleType:java.lang.String
name=fileName type=javax.management.openmbean.SimpleType:java.lang.String
name=lineNumber type=javax.management.openmbean.SimpleType:java.lang.Integer
name=methodName type=javax.management.openmbean.SimpleType:java.lang.String
name=nativeMethod type=javax.management.openmbean.SimpleType:java.lang.Boolean
     

org.mc4j.ems.connection.EmsInvocationException: Exception on invocation of [resetPeakThreadCount]org.mc4j.ems.connection.EmsConnectException: Connection failure null
 at org.mc4j.ems.impl.jmx.connection.bean.operation.DOperation.invoke(DOperation.java:127)
 at org.rhq.plugins.jmx.MBeanResourceComponent.invokeOperation(MBeanResourceComponent.java:547)
 at org.rhq.plugins.jmx.MBeanResourceComponent.invokeOperation(MBeanResourceComponent.java:517)
 at org.rhq.plugins.jmx.ThreadDataMeasurementComponent.invokeOperation(ThreadDataMeasurementComponent.java:65)
 at sun.reflect.GeneratedMethodAccessor283.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:616)
 at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:525)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
 at java.util.concurrent.FutureTask.run(FutureTask.java:166)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
 at java.lang.Thread.run(Thread.java:636) Caused by: org.mc4j.ems.connection.EmsConnectException: Connection failure null
 at org.mc4j.ems.impl.jmx.connection.support.providers.proxy.GenericMBeanServerProxy.invoke(GenericMBeanServerProxy.java:160)
 at $Proxy47.invoke(Unknown Source)
 at org.mc4j.ems.impl.jmx.connection.bean.operation.DOperation.invoke(DOperation.java:111) 
 ... 12 more 
Caused by: MBeanException: null Cause: javax.management.InstanceNotFoundException: java.lang:type=Threading is not registered.
 at org.jboss.mx.interceptor.ReflectedDispatcher.handleInvocationExceptions(ReflectedDispatcher.java:180)
 at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:163)
 at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.jboss.system.server.jmx.LazyMBeanServer.invoke(LazyMBeanServer.java:291)
 at org.jboss.jmx.connector.invoker.InvokerAdaptorService.invoke(InvokerAdaptorService.java:214)
 at sun.reflect.GeneratedMethodAccessor143.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:616)
 at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 at org.jboss.jmx.connector.invoker.SerializableInterceptor.invoke(SerializableInterceptor.java:74)
 at org.jboss.jmx.connector.invoker.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:108)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.jboss.system.server.jmx.LazyMBeanServer.invoke(LazyMBeanServer.java:291)
 at org.jboss.invocation.jrmp.server.JRMPProxyFactory.invoke(JRMPProxyFactory.java:180)
 at sun.reflect.GeneratedMethodAccessor142.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:616)
 at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.jboss.system.server.jmx.LazyMBeanServer.invoke(LazyMBeanServer.java:291)
 at org.jboss.invocation.jrmp.server.JRMPInvoker$MBeanServerAction.invoke(JRMPInvoker.java:818)
 at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:419)
 at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:616)
 at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
 at sun.rmi.transport.Transport$1.run(Transport.java:177)
 at java.security.AccessController.doPrivileged(Native Method)
 at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
 at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
 at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
 at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
 ... 3 more 
Caused by: javax.management.InstanceNotFoundException: java.lang:type=Threading is not registered.
 at org.jboss.mx.server.registry.BasicMBeanRegistry.get(BasicMBeanRegistry.java:523)
 at org.jboss.mx.server.registry.BasicMBeanRegistry.getValue(BasicMBeanRegistry.java:561)
 at sun.reflect.GeneratedMethodAccessor158.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:616)
 at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 ... 48 more