Apache ActiveMQ

incubated

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http://activemq.org/

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ActiveMQ is a fast open source JMS 1.1 provider and Message Fabric supporting clustering, peer networks, discovery, TCP, SSL, multicast, persistence, XA and integrates seamlessly into J2EE 1.4 containers, light weight containers and any Java application. ActiveMQ is released under the Apache 2.0 Licence

Features

fully supports JMS 1.1 and J2EE 1.4
includes JCA 1.5 resource adaptors for inbound & outbound messaging so that ActiveMQ should auto-deploy in any J2EE 1.4 compliant server
tested inside Geronimo, Spring and JBoss 4
support for transient, persistent, transactional and XA messaging
supports pluggable transport protocols such as in-VM, TCP, SSL, NIO, UDP, multicast, JGroups and JXTA transports
supports very fast persistence using JDBC along with a high performance journal
designed for high performance clustering, client-server, peer based communication
REST API to provide technology agnostic and language neutral web based API to messaging
Ajax to support web streaming support to web browsers using pure DHTML, allowing web browsers to be part of the messaging fabric
Axis Support so that ActiveMQ can be easily dropped into Apache Axis runtimes to provide reliable messaging
Spring Support so that ActiveMQ can be easily embedded into Spring applications and configured using Spring's XML configuration mechanism
can be used as an in memory JMS provider, ideal for unit testing
Stomp support so that clients can be written easily in C, Ruby, Perl, Python, PHP to talk to ActiveMQ
Wildcard support to subscribe to powerful destination hierarchies.
Composite Destinations support to allow many destinations to be used in one simple atomic JMS operation
JSR 77 / 88 support for easy deployment & management & hot deployment
provides an implementation of ActiveCluster

News

Friday, December 9, 2005

ActiveMQ 4.x codebase has moved to Apache

You can surf it at https://svn.apache.org/repos/asf/incubator/activemq/.

For more details see Source.

Wednesday, November 23, 2005

New discussion forum available

Last changed: Nov 23, 2005 06:04 by James Strachan

Various users don't like joining busy email lists - we all get enough email as it is - so we've setup a discussion forum you can use as an alternative to the mail lists. Enjoy!

Wednesday, November 9, 2005

New features in 4.0, Exclusive Consumers and Message Groups

We've documented some of the new features coming along in the 4.x branch of ActiveMQ. In particular the things I'm particularly happy about are

Exclusive Consumer
Message Groups

I really love Message Groups, they totally rock! Its well worth reading the overview of what they are and how they can be useful making a partitioned high performance grid style distributed system with ordering or fast caching etc.

Wednesday, October 26, 2005

ActiveMQ 3.2 released with Stomp 1.0 and improved Ajax

Last changed: Oct 26, 2005 03:54 by James Strachan

This new release includes the following

Improved Stomp 1.0 support to make it easy to create cross language clients such as for C, C#, Python, Ruby, Perl and Pike.
Ajax support now uses OpenRico as the default Ajax library
the Resource Adaptor now supports batching
demand based store and forward in networks
support for Informix JDBC
updated DTD for the latest Spring
various performance enhancements and bug fixes

For more details please see the Release Notes

Tuesday, October 11, 2005

ActiveMQ adds XBean support for custom Spring XML processing

Craig has a great post which describes how XBean can really help provide a customized XML language with Spring XML configuration extensibility. We're really happy with it so far and have moved away from XSLT and custom DOM processing to the simpler XBean model in ActiveMQ and Jencks with ServiceMix to follow suit real soon now.

Whats cool is we've just about got a working XBean Ant task to auto-generate the configuration, the XSD and HTML documentaiton now. e.g. here's the current ServiceMix generated documentation.

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