First I know that the questions below has been asked many times. I have seen
several posts where the replies say: "Search for the Answer". I have searched
and I can't find it...
Problem:
I have a queue and a listener. The listener is configured as an MDB. I want
to be able to:
o Start/Stop the Queue via JMX
o Start/Stop the Queue progrmatically
I cannot find an answer for either. First the JMX issue
Environment:
JBoss: Jboss-5.0.0 GA
JDK: jdk1.6.0_10
Below is the code for my MDB:
import javax.ejb.ActivationConfigProperty;
| import javax.ejb.MessageDriven;
| import javax.jms.JMSException;
| import javax.jms.Message;
| import javax.jms.MessageListener;
| import javax.jms.TextMessage;
|
| @MessageDriven(mappedName = "jms/SSMListener", activationConfig = {
| @ActivationConfigProperty(propertyName="messagingType",
propertyValue="javax.jms.MessageListener"),
| @ActivationConfigProperty(propertyName = "acknowledgeMode",
propertyValue = "Auto-acknowledge"),
| @ActivationConfigProperty(propertyName = "destinationType",
propertyValue = "javax.jms.Queue"),
|
@ActivationConfigProperty(propertyName="destination",propertyValue="queue/SSMQueue")
})
| public class SSMListener implements MessageListener {
|
| public void onMessage(Message arg0) {
| // TODO Auto-generated method stub
| TextMessage tm = (TextMessage) arg0;
| try {
| System.out.println("I'm alive - " + tm.getText());
| } catch (JMSException e) {
| // TODO Auto-generated catch block
| e.printStackTrace();
| }
| }
| }
JBoss.xml:
<jboss>
| <enterprise-beans>
| <message-driven>
| <ejb-name>SSMListener</ejb-name>
| <local-jndi-name>jms/SSMListener</local-jndi-name>
| <destination-jndi-name>queue/SSMQueue</destination-jndi-name>
| </message-driven>
| </enterprise-beans>
| </jboss>
|
destinations-service.xml
<mbean code="org.jboss.mq.server.jmx.Queue"
| name="jboss.mq.destination:service=Queue,name=SSMQueue">
| <depends
optional-attribute-name="DestinationManager">jboss.mq:service=DestinationManager</depends>
| </mbean>
|
Here is are two snapshots of my JMX console.
http://img.picbite.com/2008/12/14/22833fjhhs.png
http://img.picbite.com/2008/12/14/22835imemm.png
I don't see any JMX controls for startDelivery or stopDelivery.
o What am I doing wrong here?
o Do I need to configure the MDB as an mbean?
Remember - beginner...
For start/stoping programatically I have the following code:
ObjectName objectName;
| try {
| objectName = new ObjectName(
|
"jboss.j2ee:binding=message-driven-bean, jndiName=jms/SSMListener,
plugin=invoker,service=EJB");
| MBeanServer server = MBeanServerLocator.locateJBoss();
| server.invoke(objectName, "stopDelivery", new Object[]
{}, null);
| } catch (MalformedObjectNameException e1) {
| // TODO Auto-generated catch block
| e1.printStackTrace();
| } catch (NullPointerException e1) {
| // TODO Auto-generated catch block
| e1.printStackTrace();
| } catch (InstanceNotFoundException e) {
| // TODO Auto-generated catch block
| e.printStackTrace();
| } catch (MBeanException e) {
| // TODO Auto-generated catch block
| e.printStackTrace();
| } catch (ReflectionException e) {
| // TODO Auto-generated catch block
| e.printStackTrace();
| }
This code generates exception:
anonymous wrote : 10:55:55,157 ERROR [STDERR]
javax.management.InstanceNotFoundException:
jboss.j2ee:binding=message-driven-bean, jndiName=jms/SSMListener,
plugin=invoker,service=EJB is not registered.
| 10:55:55,158 ERROR [STDERR] at
org.jboss.mx.server.registry.BasicMBeanRegistry.get(BasicMBeanRegistry.java:529)
| 10:55:55,158 ERROR [STDERR] at
org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:662)
| 10:55:55,158 ERROR [STDERR] at
com.sita.wab.service.SsimService.startLoad(SsimService.java:65)
| 10:55:55,158 ERROR [STDERR] at
com.sita.wab.ejb.ssim.SsimEjbBean.startLoad(SsimEjbBean.java:32)
I suspect once I get the JMX issue resolved the answer to this problem will be
obvious.
Other than the starting/stopping the queue, everything else works well.
Please be cognizant that I have posted this on the "Beginners Corner" forum and
I am not that familure with the details of JMX.
Any help will be greatly appreciated.
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