[rules-users] Exception handling policy

[UPBrandon]

Does anyone have an example of specifying a ConsequenceExceptionHandler?  I'd
like to see if using one can help me do something but I can't find anywhere
in the API to set one!  Are custom ConsequenceExceptionHandlers discouraged?

Brandon


David Sinclair-2 wrote:
> 
> You can catch the consequence exception but writing a custom
> ConsequenceExceptionHandler and settting the
> ConsequenceExceptionHandlerOption on the the kb.
> 
>>From there you are able to see what exception caused the problem, the rule
> where the exception originated, etc. and throw a different type of
> exception. You can't throw a checked exception from this handler, but you
> can throw custom runtime exception.
> 
> dave
> 
> On Fri, Jan 8, 2010 at 3:06 AM, Gerret Hansper <gerret.public at gmx.de>
> wrote:
> 
>> Hello,
>> I have got a question about Exception handling policy in Drools 5.0.
>>
>> My issue is a case where a client application triggered rule execution on
>> the
>> server, which was throwing a ConsequenceException.
>> The client, not having drools libs in its classpath, then had a
>> ClassNotFoundException.
>> I would therefore want to catch the ConsequenceException on the server
>> and
>> throw
>> an Exception with its cause.
>> I am not sure however if ConsequenceException.getCause() would always
>> yield
>> a
>> non-drools Exception or if that might be another drools type.
>> Also, is it always a ConsequenceException that gets thrown from a session
>> or can
>> there be other Exception types?
>>
>> Thanks,
>>        Gerret

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