I'm working in an application with aproximately one hundred different MDBs. 
Some of these have configuration data stored in a variable that is kept between 
invocations of onMessage(). 

However, sometimes I want to programmatically reload that locally stored 
configuration data for all available instances of one perticular class of MDBs. 

I have already searched the forums and found the "hack" solution of somehow 
causing a bean to throw a RuntimeException to make sure it is invalidated by 
the container. However, I cannot use a JMS message and specific 
RuntimeException-throwing behaviour of onMessage(), since all my MDBs except 
only one type of XML message, and I do not want them to except a special XML 
message just to get them to throw an exception.

Any ideas how to "kick" all loaded MDBs of a class such that they are 
completely reloaded, or can reload their configuration stored in a variable? A 
JBoss specific solution is no problem.

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