JBoss Messaging 1.2.0.Beta2 has been released and it is available for download 
on jboss.org (http://labs.jboss.com/portal/jbossmessaging/downloads) and 
sourceforge 
(http://sourceforge.net/project/showfiles.php?group_id=22866&package_id=157261).

1.2.0.Beta2 is functionally complete, with the exception of the "unreliable 
link scenario" (http://jira.jboss.org/jira/browse/JBMESSAGING-676),
whose development is still on-going on a parallel branch.

Beta2 includes full clustering, with load balancing and transparent failover. 
However, it is still a preview release, not all functional, stress and smoke 
tests pass, so do not attempt to use it in production. Also, the integration 
with the AS (installation, etc.) is at the moment a bit rough.

The messaging team is currently concentrating on releasing an 
almost-production-ready 1.2.0.CR1 shortly (a week from now). For CR1, the plan 
is to have all tests passing, and integrate seamlessly with the AS, but we will 
be waiting for the community feedback for a while after release
before going GA.

The final 1.2.0.GA is expected to be out at the end of February 2007.

The Beta2 release ships with clustering examples (which also double as smoke 
tests) that demonstrate distributed destinations and transparent failover 
capabilities. For the transparent failover example, a vanilla JMS client 
creates a connection to the JMS provider and sends message
over that connection. Separately, we kill the cluster node managing the 
connection (using System.halt(), to simulate an abrupt VM failure), but the 
event goes unnoticed by the client, which continues to send and receive 
messages over the same connection. Obviously, the example requires a cluster of 
at least two nodes in order to work.

The Messaging road map is available here: 
http://jira.jboss.org/jira/browse/JBMESSAGING?report=com.atlassian.jira.plugin.system.project:roadmap-panel.


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