Accessing singleton MBean from a cluster node
saxon747 May 21, 2007 4:59 AMHello!
I have a cluster with 2 nodes (JBoss 4.0.5 GA) and a singleton MBean with name "kapart.mbean:service=ScheduleManager". The singleton works correctly, if the master fails it is started on the new master. The problem is, that I'd like to access this mbean from a session bean, which can run on any node. I tried the example described here:
http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossHASingletonRemoteAccess
So i created a "singleton-jmx-adapter-service.xml" with code:
<?xml version="1.0" encoding="UTF-8"?> <server> <mbean code="org.jboss.invocation.jrmp.server.JRMPProxyFactory" name="jboss.jmx:type=singletonadaptor,name=Invoker,protocol=jrmp,service=proxyFactory"> <depends optional-attribute-name="InvokerName">jboss:service=invoker,type=jrmp</depends> <depends optional-attribute-name="TargetName">jboss.jmx:type=adaptor,name=Invoker</depends> <attribute name="JndiName">jmx/invoker/SingletonRMIAdaptor</attribute> <attribute name="ExportedInterfaces">org.jboss.jmx.adaptor.rmi.RMIAdaptor,org.jboss.jmx.adaptor.rmi.RMIAdaptorExt</attribute> <attribute name="ClientInterceptors"> <interceptors> <interceptor>org.jboss.proxy.ClientMethodInterceptor</interceptor> <interceptor>org.jboss.proxy.SecurityInterceptor</interceptor> <interceptor>org.jboss.jmx.connector.invoker.client.InvokerAdaptorClientInterceptor</interceptor> <interceptor>org.jboss.invocation.InvokerInterceptor</interceptor> </interceptors> </attribute> </mbean> </server>
I put this document in the "deploy-hasingleton" directory on both servers. I tried to access the MBean like this:
Hashtable jndiProperties = new Hashtable(); jndiProperties.put( Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory" ); jndiProperties.put( Context.PROVIDER_URL, "localhost:1100" ); jndiProperties.put( "java.naming.factory.url.pkgs","org.jboss.naming:org.jnp.interfaces" ); Context context = new InitialContext( jndiProperties ); RMIAdaptor rmiAdaptor = (RMIAdaptor) context.lookup("jmx/invoker/SingletonRMIAdaptor"); if( (rmiAdaptor != null) && (rmiAdaptor.isRegistered(new ObjectName("kapart.mbean:service=ScheduleManager"))) ) { rmiAdaptor.invoke( new ObjectName("kapart.mbean:service=ScheduleManager"), "startSingleton", null, null ); }
1100 is my HAJNDI port.
I got the following error:
java.lang.SecurityException: Failed to authenticate principal=null, securityDomain=jmx-console at org.jboss.jmx.connector.invoker.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:97) 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.invocation.jrmp.server.JRMPProxyFactory.invoke(JRMPProxyFactory.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) 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.invocation.jrmp.server.JRMPInvoker$MBeanServerAction.invoke(JRMPInvoker.java:819) at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:420) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294) at sun.rmi.transport.Transport$1.run(Transport.java:153) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:149) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:466) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707) at java.lang.Thread.run(Thread.java:595) at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:247) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:126) at org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invoke(Unknown Source) at org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:133) at org.jboss.invocation.InvokerInterceptor.invokeInvoker(InvokerInterceptor.java:365) at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:197) at org.jboss.jmx.connector.invoker.client.InvokerAdaptorClientInterceptor.invoke(InvokerAdaptorClientInterceptor.java:66) at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:70) at org.jboss.proxy.ClientMethodInterceptor.invoke(ClientMethodInterceptor.java:74) at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:100) at $Proxy100.isRegistered(Unknown Source) at com.astron.kapart.schedule.ScheduleManagerBean.clearAll(ScheduleManagerBean.java:59) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112) at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166) at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:46) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79) at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.remoting.ReplicantsManagerInterceptor.invoke(ReplicantsManagerInterceptor.java:51) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77) at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:102) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:263) at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106) at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82) at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828) at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681) at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358) at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:412) at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)
I have a user/pass account to my jmx-console, but I don't know if it counts.
Thanx in advance.