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Posts filed under 'jboss'

Thread logging on JBoss

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Add comment 2 December 2008 at 11:53 AM

JBoss Programmatically timers

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1 comment 27 February 2008 at 3:52 PM

TRACE Logging in JBoss

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Add comment 17 January 2008 at 11:12 AM

Modify WebService SOAP Address in JBoss

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Add comment 10 January 2008 at 12:23 PM

Invoke a singleton MBean inside a cluster node

It needs to deploy RMI Adaptor service in singleton. I can do it creating file above in deploy-hasingleton (singleton-jmx-adapter-service.xml will be ok, it’s necessary it ends with -service.xml):

<server>
  <mbean code="org.jboss.invocation.jrmp.server.JRMPProxyFactory" name="jboss.jmx:type=singletonadaptor,name=Invoker,protocol=jrmp,service=proxyFactory">
    <!-- Use the standard JRMPInvoker from conf/jboss-service.xxml -->
    <depends optional-attribute-name="InvokerName">jboss:service=invoker,type=jrmp
    <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>

Then inside any session of any cluster node I can invoke a method of MBean Service in this way:

final String RMI_ADAPTOR_JNDI_NAME = "jmx/invoker/SingletonRMIAdaptor";
final String IDTAG_SERVICE_JNDI_NAME = "MyService:service=MyManagerService";

try {
    final Properties properties = new Properties();
    properties.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
    properties.put(Context.PROVIDER_URL, "10.x.x.1:1100,10.x.x.2:1100"); // HA
    InitialContext initialContext = new InitialContext(properties);

    RMIAdaptor adaptor = (RMIAdaptor) initialContext.lookup(RMI_ADAPTOR_JNDI_NAME);
    ObjectName objectName = new ObjectName(IDTAG_SERVICE_JNDI_NAME);
    if (adaptor != null && adaptor.isRegistered(objectName)) {
        obj = adaptor.invoke(objectName, methodName, params, signature);
    } else {
        logWriter.debug("---- Error invoking MyManager service: " + adaptor + " ----");
        throw new Exception("Error invoking MyManager service");
    }
} catch (NamingException ex) {
    logWriter.error(ex);
    throw ex;
} catch (MalformedObjectNameException ex) {
    logWriter.error(ex);
    throw ex;
} catch (IOException ex) {
    logWriter.error(ex);
    throw ex;
} catch (InstanceNotFoundException ex) {
    logWriter.error(ex);
    throw ex;
} catch (MBeanException ex) {
    logWriter.error(ex);
    throw ex;
} catch (ReflectionException ex) {
    logWriter.error(ex);
    throw ex;
}

That’s all…

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Add comment 13 September 2007 at 6:17 PM