[rules-users] Rules Debugging

[Ingomar Otter]

David already provided the answer, two more things:
* If your rule's consequences  are throwing exceptions I've also found  
it helpful to register a custom ConsequenceExceptionHandler (depending  
on your actual infrastructure)
*Another way to get that information is to use the  
WorkingMemoryFileLogger as described in here, gives you even a basic  
UI in Eclipse. Despite the name it also includes rules fired.
http://downloads.jboss.com/drools/docs/4.0.7.19894.GA/html/index.html
Caveat: Don't forget the writeToDisk (even on failure) and you may  
need to increase Eclipse' memory allocation.

-- Ingomar


Am 18.05.2009 um 18:43 schrieb Vikas Phonsa:

> Hi All,
>
> I'm using Drools 4.0.7 with Java 1.4.
>
> Some of my rules are throwing exceptions and my goal is to get a  
> list of names of all rules that are being executed (till the point  
> the exception is thrown).
>
> I have tried doing
> stateLesssession.addEventListener( new DebugAgendaEventListener() );
> and it does give me a bunch of information about the agenda. But I  
> want to narrow it down to the rules that are actually executed.
>
> Which event it called right after the execution control goes inside  
> a rule (before the 'when' condition is executed)?
>
> Thanks,
> Vikas
>
>
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