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ESB as Both a JMS Producer and Consumer

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Last updated: Jun 02, 2016 by Former user (Deleted)
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This section describes how to configure WSO2 ESB to work as a JMS-to-JMS proxy service.

 

Diagram 3 : Simple JMS to JMS proxy service

The following example code shows the configuration of ESB to both listen to a JMS queue and consume messages as well as to send messages to a JMS queue.

Example code 3
<proxy name="StockQuoteProxy" transports="jms">
   <target>
       <inSequence>
           <property action="set" name="OUT_ONLY" value="true"/>
           <send>
               <endpoint>
                  <address uri="jms:/SimpleStockQuoteService?transport.jms.ConnectionFactoryJNDIName=QueueConnectionFactory&amp;                 java.naming.factory.initial=org.apache.activemq.jndi.ActiveMQInitialContextFactory&amp;java.naming.provider.url=tcp://localhost:61616"/>
               </endpoint>
           </send>
       </inSequence>
   </target>
</proxy>

To place a message into a JMS queue, execute following command from <ESB_HOME>/samples/axis2Client directory. 

ant stockquote -Dmode=placeorder -Dtrpurl="jms:/StockQuoteProxy?transport.jms.ConnectionFactoryJNDIName=QueueConnectionFactory&java.naming.factory.initial=org.apache.activemq.jndi.ActiveMQInitialContextFactory&java.naming.provider.url=tcp://localhost:61616&transport.jms.ContentTypeProperty=Content-Type&transport.jms.DestinationType=queue"

Generally, JMS is used for one-way, asynchronous message exchange. However you can perform synchronous messaging also with JMS. For more information, see JMS Synchronous Invocations : Dual Channel HTTP-to-JMS and JMS Synchronous Invocations : Quad Channel JMS-to-JMS.