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Follow the steps below to set the prerequisites up before you start.

1. Download and set up up Apache ActiveMQ. For instructions, see Installation Prerequisites. 
2. Copy the following client libraries from the the <AMQ_HOME>/lib directory to the <EI_HOME>/lib directory.   
   ActiveMQ 5.8.0 and above   
   
   • • activemq-broker-5.8.0.jar
     • activemq-client-5.8.0.jar
     • geronimo-jms_1.1_spec-1.1.1.jar
     • geronimo-j2ee-management_1.1_spec-1.0.1.jar
     • hawtbuf-1.9.jar   

             Earlier version versions of ActiveMQ

   • • activemq-core-5.5.1.jar
     • geronimo-j2ee-management_1.0_spec-1.0.jar
     • geronimo-jms_1.1_spec-1.1.1.jar

3. Add the following properties to the <EI_HOME>/conf/jndi.properties file. For more information, see Setting up WSO2 EI and ActiveMQ.

   Code Block
   language powershell
   queue.ClientReq = ClientReq queue.BEReq = BEReq queue.BERes = BERes

4. Uncomment the following sections in the <EI_HOME>/conf/axis2/axis2.xml file.

   1. To enable the JMS transport sender:

      Code Block
      language xml
      <transportSender name="jms" class="org.apache.axis2.transport.jms.JMSSender"/>

   2. To enable the JMS transport listener:

      Code Block
      language xml
      <!--Uncomment this and configure as appropriate for JMS transport support, after setting up your JMS environment (e.g. ActiveMQ)--><transportReceiver name="jms" class="org.apache.axis2.transport.jms.JMSListener"> <parameter name="myTopicConnectionFactory" locked="false"> <parameter name="java.naming.factory.initial" locked="false">org.apache.activemq.jndi.ActiveMQInitialContextFactory</parameter> <parameter name="java.naming.provider.url" locked="false">tcp://localhost:61616</parameter> <parameter name="transport.jms.ConnectionFactoryJNDIName" locked="false">TopicConnectionFactory</parameter> <parameter name="transport.jms.ConnectionFactoryType" locked="false">topic</parameter> </parameter> <parameter name="myQueueConnectionFactory" locked="false"> <parameter name="java.naming.factory.initial" locked="false">org.apache.activemq.jndi.ActiveMQInitialContextFactory</parameter> <parameter name="java.naming.provider.url" locked="false">tcp://localhost:61616</parameter> <parameter name="transport.jms.ConnectionFactoryJNDIName" locked="false">QueueConnectionFactory</parameter> <parameter name="transport.jms.ConnectionFactoryType" locked="false">queue</parameter> </parameter> <parameter name="default" locked="false"> <parameter name="java.naming.factory.initial" locked="false">org.apache.activemq.jndi.ActiveMQInitialContextFactory</parameter> <parameter name="java.naming.provider.url" locked="false">tcp://localhost:61616</parameter> <parameter name="transport.jms.ConnectionFactoryJNDIName" locked="false">QueueConnectionFactory</parameter> <parameter name="transport.jms.ConnectionFactoryType" locked="false">queue</parameter> </parameter> </transportReceiver>

Sample configuration

Following is a sample configuration of WSO2 EI for quad-channel JMS synchronous invocations.

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