We have an application that runs jboss BPM without ever persisting the process 
states to a database.  We recently realized that our VM sizes were increasing 
because of the logging records that are kept in transientinstances in our 
process instances.  The online manual says you can turn off logging by removing 
the logging line copying the jbpm-context section from default.jboss.cfg.xml to 
jboss.cfg.xml and by removing the line that includes service name='logging'   
I'm not sure what that really does. It turns out that this does not actually 
terminate the logging.  Logging Instances are still created and filled with 
data.


ProcessInstance constructor calls Token.addLog(ProcessLog)
Token.addLog(ProcessLog)  calls 
processInstance.getInstance(LoggingInstance.class)
processInstance.getInstance() always creates a LoggingInstance as a fallback 
and attaches it to the token


This means that there is always a LoggingInstance() tied to the token so 
logging always gets captured and hangs around. I don't see any way to not end 
up with a LoggingInstance.

I couldn't find anywhere that the services as named in jbpm.cfg.xml were looked 
up and used in our application.




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