Apache ActiveMQ is a fast open source JMS 1.1 Message Fabric which supports clustering, peer networks, discovery, TCP, SSL, multicast, persistence, XA and integrates seamlessly into J2EE 1.4 containers, light weight containers and any Java Virtual Machine
The J2EE 1.4 platform is quite large, and this tutorial reflects this. However, you don't have to digest everything in it at once. This tutorial opens with three introductory chapters, which you should read before proceeding to any specific technology ar