Initial Configuration

Document Organization

Firstly you need to add the jars to your classpath.

Required JARs

To make ActiveMQ easy to use, the default activemq-all.jar comes complete with all the libraries required. If you prefer to have explicit control over all the jars used by ActiveMQ here is the full list of individual jars required

  • activemq-broker.jar
  • activemq-client.jar
  • activemq-kahadb-store.jar
  • activemq-spring.jar
  • slf4j-api.jar
  • slf4j-log4j12.jar
  • log4j-1.2.17.jar
  • J2EE APIs which could be the j2ee.jar from Sun or your J2EE container or you could use Geronimo's freely distributable geronimo-spec-j2ee.jar. If you are inside a servlet container and being dependent on the j2ee.jar causes you troubles, the parts of the J2EE jar we are dependent on are as follows...
    • geronimo-spec-jms.jar
    • geronimo-spec-jta.jar
    • geronimo-spec-j2ee-management.jar

If you want to grab a J2EE specification jar we recommend the Apache repository

Optional JARS

  • spring.jar - if you wish to use the XML configuration file for configuring the Message Broker
  • if you wish to use message persistence then you need to add a persistent jar to your classpath (see below). If you just want a lightweight message bus with no durability you can leave this step out but we highly recommend persistence for production deployments.

Persistence Support

The default persistence is the AMQ Message Store. We do still support persistence via JDBC and a high performance journal. For full explict control over configuration check out the Xml Configuration.

If you're just doing some testing or in-VM SEDA based messaging you may wish to disable persistence. You can use the Xml Configuration for this.

You can do this by setting the usePersistence property to false either in the Xml Configuration or on the broker URL.

Next steps

One of the first things you might want to do is start a broker. Once you have a broker running you could try using the JNDI Support which shows how to run an example JMS program. Or there are some other example programs

If you don't want to use JNDI you can just instantiate an ActiveMQConnectionFactory, configure its properties directly and then you're ready to use the standard JMS API to create Connections, Sessions, MessageProducer and MessageConsumer instances.

Additional Resources

Related Reading

Specifications

Related open source projects

  • Apache Geronimo
  • Hermes JMS
  • Jencks is a Spring JCA container allowing you to use connection & thread & POJO pooling for consuming JMS in highly concurrent servers
  • Lingo is a Spring/POJO remoting layer for JMS. It allows you to reuse all the power of JMS from your POJOs without using any of the JMS APIs directly
  • Spring
  • Stomp is an open wire protocol (similar to HTTP) for communicating with MOMs from different languages. It has clients for languages like C, C#, Python, Perl, Ruby etc.
  • XBean is used as the default XML configuration mechanism for ActiveMQ
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