Hello -
I am very, very happy with Jbpm4, and I am currently looking for a hint on best
practices for handling failures of automatic activities invoking retries or failovers -
for example, a whose class connects to an external server (which may be down at the time
of calling)
I understand I can signal the failure in the return variable and model the retry /
failover process explicitly with a switch, but that seems rather cumbersome.
My preference would be to have the possibility to implicitly choose from the
activity the outgoing transition, pointing to a "retry" state which periodically
re-enters the automatic activity with a timer. I am not sure if it is possible to define
that an exception in the java class with exception-handlers, because the docs seem
incomplete.
Also, about exception handling, I could not find any hints on these two points:
1- what possibilities are there to "recover" a process that has
encountered an unhandled exception?
2- will other process instances running in the same PVM keep going in such a
case?
Any pointers woud be really appreciated.
Bye and thanks.
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