Thanks Genene. In fact I was able to get the cause of my issue. I created a ticket with the explanation and a pull request with a possible solution.
https://issues.jboss.org/browse/DROOLS-243 Thanks, Demian On Tue, Aug 27, 2013 at 12:26 PM, Genene Geda <gg...@ghx.com> wrote: > Hi-, > I think I had similar issue and resolved by looking at one of these: > > 1. How the changes set is loaded: > > Resource changeset = ResourceFactory.newFileResource(changeSetFilePath); > //.newClassPathResource(changeSetPath); > > 2.If the package not yet built, In GUVNOR, I go to 'knowledgebase'/ click > on you package/click on the 'edit' tab on the right/ click build package ( > I also do create snapshot but may not be necessary ). > > See if it helps. > > G- > > -----Original Message----- > From: rules-users-boun...@lists.jboss.org [mailto: > rules-users-boun...@lists.jboss.org] On Behalf Of calcacuervo > Sent: Monday, August 26, 2013 10:26 PM > To: rules-users@lists.jboss.org > Subject: [rules-users] Problem with PKG from guvnor > > Hi Guys, > > I am having a problem using Drools 5.5. > > Basically, I have a ksession in stream mode. > > I have a rule with an event, like this > > when > myfact: EventA( main > 21 ) over window:length (1) > myfact2 : EventA( main <= 21 , this before myfact ) over > window:length (2) > > I also use a KnowledgeAgent and apply a changeset. > > If I declare this rule directly from the changeset, as a Classpath > resource, with resource type DRL, it seems to work fine (the kbase > compiles!). > > But If I have the rule in a guvnor package, and I put the PKG link in my > changeset, I am getting an error: > > Caused by: java.lang.NullPointerException > at > > org.drools.base.evaluators.BeforeEvaluatorDefinition$BeforeEvaluator.getInterval(BeforeEvaluatorDefinition.java:268) > [drools-core-5.5.0.Final.jar:5.5.0.Final] > at > > org.drools.rule.constraint.EvaluatorConstraint.getInterval(EvaluatorConstraint.java:100) > [drools-core-5.5.0.Final.jar:5.5.0.Final] > at > > org.drools.reteoo.builder.BuildUtils.gatherTemporalRelationships(BuildUtils.java:326) > [drools-core-5.5.0.Final.jar:5.5.0.Final] > at > > org.drools.reteoo.builder.BuildUtils.calculateTemporalDistance(BuildUtils.java:292) > [drools-core-5.5.0.Final.jar:5.5.0.Final] > at > > org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:119) > [drools-core-5.5.0.Final.jar:5.5.0.Final] > at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:113) > [drools-core-5.5.0.Final.jar:5.5.0.Final] > at > org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:445) > [drools-core-5.5.0.Final.jar:5.5.0.Final] > > It seems that that getOperator() is null in this evaluation: > if ( this.getOperator().isNegated() ) { > > I debugged a bit, and it seems the evaluator comes in serialized from > guvnor's package.But in case of getting directly the classpath resource, it > compiles the package and it gets the real operator ok (Operator = 'before') > > Do you have any idea of why it could be happening? May I be doing > something wrong? Is this a bug in guvnor? > > Thanks in advance! > > Demian > > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/Problem-with-PKG-from-guvnor-tp4025687.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users >
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