[rules-users] JBPM fails to resume a rehydrated active process instance

[Edson Tirelli]

   Alberto,

   Which versions of Drools and jBPM are you using?

   Edson

On Mon, Jun 4, 2012 at 3:55 AM, Alberto R. Galdo <argaldo at gmail.com> wrote:

> Hi guys,
>
>    We are using JBPM 5 for long running processes in one of our products,
> both, the knowledge session and WorkItemInfo & ProcessInstanceInfo are
> persisted in a PostgreSQL database. Our processes involve a set of
> automated tasks along with UserTasks handled inside JBPM's HumanTask
> provided server  ( the one that uses mina & JPA ).
>
>    For maintenance purposes, our application needs to be restarted once in
> a while so we need our processes to keep running after a sucesful
> rehydratation of the knowledge & JBPM contexts . We've tested a persistent
> approach like this:
>
>      - We started our application and started several instances of a
> process that involves at least one human task node.
>      - We've completed several human tasks in the current session and
> things went ok, workitems got completed & processinstances desappeared as
> processes came to and end.
>      - We left several human task in state"Ready" for our users to consume
> afterwards.
>      - We restarted the application and let JBPM rehydrate it's context
> via   JPAKnowledgeService.loadStatefulKnowledgeSession()
>
>    Then we acquired and completed a "Ready" HumanTask, it got completed in
> JBPM HumanTask server's database backend but the process attached never got
> neither updater, nor its subsequent nodes were executed. This is weird.
>
>     We first tought it was a rehydratation problem and that the process
> definition was not loaded properly, but what was our suprise when we've
> been able to execute several new process instances wich we could complete
> properly. So, seems that we are able to complete "current" ( as in the
> current session, not the rehydrated ones ) process instances, but not able
> to complete process instances that are not started in the "current" session
> ( the rehydrated ones ).
>
>    What's wrong here. Is it not possible to resume a process in a
> rehydrated session when human tasks & JBPM's HumanTask server are involved?
>
>
> Greets,
>
> Alberto R. Galdo
> argaldo at gmail.com
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>


-- 
  Edson Tirelli
  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20120604/3ecd49b7/attachment.html