droolsjbpm/jbpm — pull request #68 by mswiderski (2012-04-02 09:32:08+00:00)
Title: BZ767596-Submitting Human Task with potential owner that is not known to the HT service results with Hibernate exception

Introduces error handling on Task Server and propagates only business exception while system exceptions are logged on task server and error id is generated and then send back to caller.
On engine side there are three options how to deal with task server errors to chose from (log, abort, rethrow) where log is the default one.