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• Configure WSO2 ESB with Apache ActiveMQ, and set up the JMS listener. For instructions, see Configure with ActiveMQ.
• Start the ESB server.

Configuring the sample

• Create a proxy service with the following configuration. For information on how to create a proxy service, see Creating a Proxy Service.

  Code Block
  language xml
  <proxy xmlns="http://ws.apache.org/ns/synapse" name="JMStoHTTPStockQuoteProxy" transports="jms"> <target> <inSequence> <property action="set" name="OUT_ONLY" value="true"/> </inSequence> <endpoint> <address uri="http://localhost:9000/services/SimpleStockQuoteService"/> </endpoint> <outSequence> <send/> </outSequence> </target> </proxy>

  Tip
  title Proxy Service ConfigurationTip
  The OUT_ONLY property is set to true to indicate that message exchange is one-way. You can make the proxy service a JMS listener by setting the transport as jms. Once the JMS transport is enabled for a proxy service, the ESB starts listening on a JMS queue with the same name as the proxy service. If you take a look at the sample configuration above, the ESB listens to a JMS queue named JMStoHTTPStockQuoteProxy. To make the proxy service listen to a different JMS queue, define the transport.jms.Destination parameter with the name of the destination queue. For details, see below.

Testing the sample

To test this sample, you need an HTTP back-end service. Let's use the SimpleStockQuoteService as the back-end service and test the sample.

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<proxy xmlns="http://ws.apache.org/ns/synapse"
       name="Proxy1"
       transports="jms"
       startOnLoad="true"
       trace="disable">
   <description/>
   <target> 
      <inSequence>
         <send>
            <endpoint>
               <address uri="http://localhost:9000/services/SimpleStockQuoteService"/>
            </endpoint>
         </send>
      </inSequence>
      <outSequence>
         <send/>
      </outSequence>
   </target>
   <parameter name="transport.jms.ContentType">
      <rules>
         <jmsProperty>contentType</jmsProperty>
         <default>text/xml</default>
      </rules>
   </parameter>
</proxy>

ant stockquote -Dsymbol=WSO2 -Dtrpurl="jms:/JMStoHTTPStockQuoteProxy?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&transport.jms.ReplyDestination=ResponseQueue" 

Defining the content type of incoming JMS messages

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