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1. Re: java.lang.ClassNotFoundException --- from createMBean
thethirdeye Jul 13, 2006 2:21 AM (in response to thethirdeye)A bit more information :
the MBeanServer (mbs) used is a remote mbean server obtained through the RMIAdaptormbs = (MBeanServerConnection) ctx.lookup("jmx/invoker/RMIAdaptor");
This is the full stack trace generatedjavax.management.ReflectionException: Class not found: com.pack.mockMsg at org.jboss.mx.server.MBeanServerImpl.handleInstantiateExceptions(MBeanServerImpl.java:1243) at org.jboss.mx.server.MBeanServerImpl.instantiate(MBeanServerImpl.java:1222) at org.jboss.mx.server.MBeanServerImpl.instantiate(MBeanServerImpl.java:233) at org.jboss.mx.server.MBeanServerImpl.createMBean(MBeanServerImpl.java:279) 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.jmx.connector.invoker.InvokerAdaptorService.invoke(InvokerAdaptorService.java:251) at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source) 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:141) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80) at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118) at org.jboss.mx.server.Invocation.invoke(Invocation.java:74) at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127) at org.jboss.jmx.connector.invoker.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:87) at org.jboss.mx.server.Invocation.invoke(Invocation.java:74) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644) at org.jboss.invocation.jrmp.server.JRMPProxyFactory.invoke(JRMPProxyFactory.java:164) at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source) 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:141) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80) at org.jboss.mx.server.Invocation.invoke(Invocation.java:72) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644) at org.jboss.invocation.jrmp.server.JRMPInvoker$MBeanServerAction.invoke(JRMPInvoker.java:805) at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:406) at sun.reflect.GeneratedMethodAccessor79.invoke(Unknown Source) 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$1.run(Transport.java:153) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:149) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701) at java.lang.Thread.run(Thread.java:595) Caused by: java.lang.ClassNotFoundException: com.pack.mockMsg at org.jboss.mx.loading.UnifiedLoaderRepository3.loadClass(UnifiedLoaderRepository3.java:593) at org.jboss.mx.server.MBeanServerImpl.instantiate(MBeanServerImpl.java:1192) ... 40 more
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2. Re: java.lang.ClassNotFoundException --- from createMBean
jaikiran Jul 13, 2006 3:02 AM (in response to thethirdeye)javax.management.ReflectionException: Class not found: com.pack.mockMsg
Where have you placed the jar containing thiscom.pack.mockMsg
class in jboss. How is it packaged? -
3. Re: java.lang.ClassNotFoundException --- from createMBean
thethirdeye Jul 13, 2006 4:39 AM (in response to thethirdeye)Its an ear package placed in the deploy directory $JBOSS_HOME/server/default/deploy .
Do you reckon the problem is associated with the class not being in the LoaderRepository?Caused by: java.lang.ClassNotFoundException: com.pack.mockMsg at org.jboss.mx.loading.UnifiedLoaderRepository3.loadClass(UnifiedLoaderRepository3.java:593) at org.jboss.mx.server.MBeanServerImpl.instantiate(MBeanServerImpl.java:1192)
Do I have to do anything else to prompt JBoss to load the class in the LoaderRepository or is placing the ear file in the deploy directory enough signal for JBoss to load the class in the repository? -
4. Re: java.lang.ClassNotFoundException --- from createMBean
jaikiran Jul 13, 2006 5:24 AM (in response to thethirdeye)As per the javadoc of createMBean:
http://java.sun.com/j2ee/1.4/docs/api/javax/management/MBeanServerConnection.html#createMBean(java.lang.String,%20javax.management.ObjectName)
The MBean server will use its Default Loader Repository to load the class of the MBean
And the Default Loader Repository description is provided at:
http://java.sun.com/j2ee/1.4/docs/api/javax/management/loading/ClassLoaderRepository.html
Going by these docs, i think that the jar containing your MBean classes will have to be placed in the %JBOSS_HOME%/server/default/lib directory. Try it out and let us know if you have any issues. -
5. Re: java.lang.ClassNotFoundException --- from createMBean
thethirdeye Jul 13, 2006 7:22 PM (in response to thethirdeye)Thanks matey !! The solution did work .