topic Re: How to handle exceptions in a tasklistner in Alfresco Archive

How to handle exceptions in a tasklistner

ruedesilva — Wed, 24 Aug 2011 18:00:50 GMT

Hi,The task listners that we have on a task execute business rules in our own application (i.e. thru EJBs). But if those fail or there are system failures/exceptions with the EJBs how to handle them? The notify method does not throw an exception (even if it did how would it affect the task even itse

Re: How to handle exceptions in a tasklistner

frederikherema1 — Wed, 24 Aug 2011 18:09:28 GMT

What do you mean, the notify doesn't throw an exception? When a task is created or completed, the call initiating this action (eather taskService.complete or runtimeService.startPI or signal) will receive the exception when calling, after transaction is rolled back… So ALL stuff done to the process/task won't be comitted.

Re: How to handle exceptions in a tasklistner

ruedesilva — Wed, 31 Aug 2011 18:15:15 GMT

Thanks. I will test this out from a tasklistner for "Assignment' event.

- Rue

Re: How to handle exceptions in a tasklistner

ruedesilva — Wed, 31 Aug 2011 18:50:34 GMT

So I will throw a RuntimeException as the notify method interface does not have a throws clause. Is that the understanding?

thanks,
Rue

Re: How to handle exceptions in a tasklistner

frederikherema1 — Thu, 01 Sep 2011 07:24:34 GMT

If something goos wrong while execution (running) your process, it makes sense you should throw RuntimeExceptions