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Re: JMS plugin

by Huang, Thomas (388J) :: Rate this Message:

After some more research I now have something working for making topic connection (to JBossMQ) that requires authentication. Here is resources.xml file

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

<bean id="globalConnectionFactory"

class="org.springframework.jndi.JndiObjectFactoryBean">

<props>

<prop key="java.naming.provider.url"

>jnp://localhost:1099</prop>

<prop key="java.naming.factory.initial"

>org.jnp.interfaces.NamingContextFactory</prop>

<prop key="java.naming.factory.url.pkgs"

>org.jboss.naming:org.jnp.interfaces</prop>

</props>

</property>

</bean>

<bean id="connectionFactory"

class="org.springframework.jms.connection.UserCredentialsConnectionFactoryAdapter">

</property>

</bean>

</beans>

Thomas.

On Jun 27, 2008, at 3:11 AM, englishteeth wrote:

Thomas Huang wrote:

And I modified the SampleQueueService.groovy to listen to my topic

class SampleQueueService {

   static expose = ['jms']
   static pubSub = true
   static durable = true
   static topic = 'my/msg/topic'

   def onMessage = {
      println "GOT MESSAGE: $it"
   }

}

At this point my service is not picking up any messages. I have a
couple of questions

1. where do I specify user credential information to connect to the JMS?
2. if I want to do something with the message and than republish it a
different topic, how do I do that?

Hi Thomas,

To get your service to pick up, you need to set a static destination rather
than topic to specify something other than the default of the service name
"sampleQueue" being used.

Credentials would go in the set up of the connection factory.

If I understand you right, to republish your message from your service
should be very similar to how you are sending now; get the conection
factory, and use a jms template to send, just in your service's onMessage.

I added an update to my
http://www.englishteeth.co.uk/2008/04/18/grails-jms-mdb/ original post on
this for pub sub
http://www.englishteeth.co.uk/2008/06/26/grails-jms-revisited/ here .
Thanks for sparking my interest. =)

Ian
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Thomas Huang

Jet Propulsion Laboratory

4800 Oak Grove Drive, Mail Stop 171-243D, Pasadena, CA 91109

Phone: 818.354.2747, Email: thomas.huang@...

DISCLAIMER: All personal and professional opinions presented herein are my own and do not, in any way, represent the opinion of policy of JPL, NASA or Caltech.

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