[rules-users] Rules not firing when facts asserted in a rule RHS in 5.0 - diagnosed with workaround (but not fixed)

[Tihomir Surdilovic]

Hi Chris, could you attach the repository export xml from your repo that 
I can use to reproduce the issue with? BRMS 5.1 (supported bits) is 
right around the corner and I would be able to tell you if the issue 
still persists with the currently tested bits for 5.1.

Thanks.
Tihomir

On 12/1/10 4:29 PM, Chris Selwyn wrote:
> Having spent all day on this one, I have finally got to the bottom of it.
>
> The problem is reproducible if I have /both/ a declarative fact model 
> /and/ a function in my rules.
> It doesn't matter whether the function is called or not... It's 
> presence is enough to  cause the problem.
>
> Any rule that is dependent on the existence of an instance of the 
> declarative fact model where the instance is created in the RHS of 
> another rule will not fire.
>
> I suspect that this is a bug that has been fixed in 5.1 because I have 
> been using this technique in Drools 5.1... It's only since downgrading 
> to the (supported) JBoss Rules 5.0 that I have experienced the problem.
>
> Does anyone know if there is a fix in the 5.0 branch?
>
> If I create a "real" Java class and upload it in a jar file to the 
> Guvnor and use that in place of the declarative model then the problem 
> does not happen.
> This is a workaround in the short term but I would much prefer not to 
> have to do this.
>
> Chris Selwyn
>
>
> On 01/12/2010 15:14, Chris Selwyn wrote:
>> Yes the package is "SWWB2BOutgoing" but it looks as though the 
>> package name simple doesn't get reported in the log file.
>>
>> I have been debugging through this thing and where I've got to so far 
>> is that I am getting two (and maybe more) entries for the class 
>> "SWWB2BOutgoing.QuestionValidation" in the 
>> ObjectTypeConfigurationRepository.
>> So my current question is "How is this possible?" Is it maybe a 
>> classloader issue?
>>
>> Chris
>>
>>
>> On 01/12/2010 12:05, Wolfgang Laun wrote:
>>> A closer look:
>>>
>>> On 1 December 2010 11:13, Chris Selwyn <chris at selwyn-family.me.uk 
>>> <mailto:chris at selwyn-family.me.uk>> wrote:
>>>
>>>
>>>
>>>     I can see the facts being inserted in the log as follows
>>>     [#|2010-12-01T09:19:16.723+0000|INFO|sun-appserver2.1|javax.enterprise.system.stream.out|_ThreadID=70;_ThreadName=p:
>>>     thread-pool-1; w: 7;|
>>>     OBJECT ASSERTED value:QuestionValidation( mandatory=true,
>>>     state=Closed,
>>>     question=B2B_METER_SERIAL_NUMBER, type=string ) factId: 39|#]
>>>
>>>
>>> Shouldn't the package name appear in the log as well?
>>>
>>>
>>>     However, if I insert a QuestionValidation fact created in Java
>>>     by using
>>>     kbase.getFactType("SWWB2BOutgoing", "QuestionValidation") then
>>>     the Test
>>>     rule gets fired just fine.
>>>
>>>
>>> That is, apparently "SWWB2BOutgoing".
>>>
>>> -W
>>>
>>>
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