How to handle exceptions in a tasklistner

[ruedesilva]

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 itself - i.e. create, assignment etc) Is the only possibility to just eat the exceptions and forget about it? Note that there would be no point in setting task/process variables at this point.

thanks,
Rue

[frederikherema1]

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.

[ruedesilva]

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

- Rue

[ruedesilva]

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

thanks,
Rue

[frederikherema1]

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