[rules-users] Drools 5.0 -> 5.2 Migration Issue

[Wolfgang Laun]

Please provide the type declaration for ActorType.Person, field gender and
typicial examples how gender fields are used in other rules. Ideally, if you
could reduce your rule set to this simple rule and one other rule, still
causeing the same problem.

Also, do you use "dialect 'mvel'"?

-W


2011/6/28 Steven Waldren <swaldren at openhealthdata.com>

> I am working to migrate my project from 5.0 to 5.2.0 Final.  I am getting
> an error that I cannot figure out how to fix.
>
> I get the error stack trace below my email signature.  The only thing the
> consequence does is insert an object.  This rule worked well in 5.0, and
> some of the early 5.2.0-snapshot builds.  When I comment out the rule, I get
> the same error for a similar rule.
>
> The rule:
>
> rule "ccr - Person"
> when
> ActorType.Person($g:gender != null)
> then
> insert($g);
> end
>
> The documentation does not say this is an incorrect syntax. Any help would
> be appreciated.
>
> Best,
> Steven
> --
> Steven E. Waldren, MD MS
> Co-founder, Open Health Data
> swaldren at openhealthdata.com
>
>
>  validateTest(org.openhealthdata.validator.ValidatorManagerTest)  Time
> elapsed: 11.699 sec  <<< ERROR!
> org.drools.runtime.rule.ConsequenceException: rule: ccr - Person
>
> at
> org.drools.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:39)
> at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:916)
> at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:845)
> at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1056)
> at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:733)
> at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:699)
> at
> org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:218)
> at
> org.openhealthdata.validator.ValidationManager.validate(ValidationManager.java:158)
> at
> org.openhealthdata.validator.ValidationManager.validate(ValidationManager.java:108)
> at
> org.openhealthdata.validator.ValidatorManagerTest.validateTest(ValidatorManagerTest.java:26)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
> at
> org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:35)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:115)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:97)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.maven.surefire.booter.ProviderFactory$ClassLoaderProxy.invoke(ProviderFactory.java:103)
> at $Proxy0.invoke(Unknown Source)
> at
> org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:150)
> at
> org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcess(SurefireStarter.java:91)
> at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:69)
> Caused by: org.drools.RuntimeDroolsException: Exception executing
> predicate
> at
> org.drools.rule.PredicateConstraint.isAllowed(PredicateConstraint.java:298)
> at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:130)
> at
> org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:450)
> at
> org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:378)
> at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:134)
> at
> org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:59)
> at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:134)
> at
> org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:450)
> at
> org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:378)
> at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:134)
> at
> org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:450)
> at
> org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:378)
> at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:193)
> at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:191)
> at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:332)
> at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:293)
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:905)
> at
> org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:119)
> at
> org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:113)
> at
> org.astm.ccr.rules.core.Rule_ccr___Person_0.defaultConsequence(Rule_ccr___Person_0.java:7)
> at
> org.astm.ccr.rules.core.Rule_ccr___Person_0DefaultConsequenceInvoker.evaluate(Rule_ccr___Person_0DefaultConsequenceInvoker.java:27)
> at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:906)
> ... 37 more
> Caused by: java.lang.NullPointerException
> at
> org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:104)
> at
> org.drools.rule.PredicateConstraint.isAllowed(PredicateConstraint.java:291)
> ... 58 more
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20110629/f37a279c/attachment.html