Having just looked in the Drools JIRA repository, I pretty sure that it is the same issue as was reported in JBRULES-2140.
That entry has a repro.

I am interested as to what you mean by "right around the corner"?

Here is a repro anyway...

<QUOTE>
package rulestest
global java.util.logging.Logger logger

declare QuestionValidation
    question: String
    mandatory: Boolean
    state: String
    type: String
end

function void testfunc() {
System.out.println("testfunc called");

}

rule 'init'
dialect "mvel"
when
    eval(true)
then
    QuestionValidation qv = new QuestionValidation();
    qv.setState("ss");
    qv.setQuestion("qq");
    insert(qv);
    logger.info("Hello world");

end

rule 'test'
dialect "mvel"
when
    $qv: QuestionValidation()
then
    logger.info("Found a qv " + $qv);

end
</QUOTE>

If the testfunc is present then the "test" rule never fires. If it is not present then the "test" rule fires just fine.

Chris

On 01/12/2010 21:47, Tihomir Surdilovic wrote:

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@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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