Chainsaw + Receivers + Maven: Custom distribution

[Paul Smith <ps...@aconex.com>]

Hmm, while I was mavenizing the Chainsaw site content I was reading  
the notes about the VFS, DB and JMS support in Chainsaw again and  
realise that right now, Chainsaw is bundling the DB/JMS Receivers in  
the maven distribution.  Due to hideous classloading rules, they  
won't work.

This is because the JMS and DB provider jars ( the implementation  
classes) are user specific, and need to be dropped in manually in the  
users plugins directory, and loaded via the PluginClassLoader that is  
created by Chainsaw.  This means that the spec classes are loaded by  
the main classloader, but the child (provider) classes are in  
another, and they can't see each other.

For Chainsaw purposes therefore, we need to ship a stripped down  
version of the log4j-receivers jar that does not contain these, log4j- 
receivers-chainsaw...?  This sounds like a job for the maven  
assembler plugin, but I'm a new to that.

Curt, do you have any suggestions as to the best way to handle this  
case?  Chainsaw would need to declare it as a dependency I think?

Paul

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