[rules-users] Drolls 4.0.7 exception org.drools.RuntimeDroolsException: org.drools.base.mvel.MVELEvalExpression at 1cf7491 while using matches operator
Corneil du Plessis
corneil at tsctech.com
Mon Jun 29 08:15:25 EDT 2009
Your rule should be written as:
rule "CPR_RULE_222222"
dialect "mvel"
when
INDUD : ContactVO(districtCode matches "((UX)[ACMR][[A-Z0-9]]{3})|([A-Z0-9]++)")
then
System.out.println("hello");
end
Code inside of eval is normal Java expressions.
On Sat, 2009-06-27 at 00:53 +0530, Kumar, Ravendra wrote:
> Hi All,
>
>
>
>
>
> I am using Drools 4.0.7 and when I tried to use “matches” operator it
> is giving following exception
>
> The rule logic is following
>
>
>
> package com.logica.heca.lpr.rule;
>
> import com.logica.heca.lpr.domain.*;
>
> import com.logica.heca.lpr.domain.contact.*;
>
> import com.logica.heca.lpr.domain.ruleengine.*;
>
> import java.util.*;
>
> rule "CPR_RULE_222222"
>
> dialect "mvel"
>
> when
>
> INDUD : ContactVO();
>
> eval(INDUD.districtCode matches
> "((UX)[ACMR][[A-Z0-9]]{3})|([A-Z0-9]++)")
>
> then
>
>
>
> System.out.println("hello");
>
> End
>
>
>
> Note: INDUD.districtCode returns String value.
>
>
>
> While if I changed matches operator to java method this work fine
>
> eval(INDUD.getDistrictCode().matches("((UX)[ACMR][[A-Z0-9]]{3})|([A-Z0-9]++)"));
>
>
>
> any of your esteemed help will highly be appreciated
>
>
>
> Thanks
>
> Ravendra Kumar
>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
>
> org.drools.RuntimeDroolsException:
> org.drools.base.mvel.MVELEvalExpression at 1cf7491 :
> java.lang.ClassCastException: java.lang.String cannot be cast to
> java.lang.Boolean
>
> at
> org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:82)
>
> at
> org.drools.reteoo.EvalConditionNode.assertTuple(EvalConditionNode.java:148)
>
> at
> org.drools.reteoo.SingleTupleSinkAdapter.createAndPropagateAssertTuple(SingleTupleSinkAdapter.java:55)
>
> at
> org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:116)
>
> at
> org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:22)
>
> at
> org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:162)
>
> at org.drools.reteoo.Rete.assertObject(Rete.java:175)
>
> at
> org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192)
>
> at
> org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:71)
>
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:911)
>
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:883)
>
> at
> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:684)
>
> at
> org.drools.reteoo.ReteooStatelessSession.execute(ReteooStatelessSession.java:143)
>
> at
> com.logica.heca.lpr.rule.RuleTester.main(RuleTester.java:44)
>
> 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
> com.intellij.rt.execution.application.AppMain.main(AppMain.java:90)
>
> Caused by: java.lang.ClassCastException: java.lang.String cannot be
> cast to java.lang.Boolean
>
> at
> org.drools.base.mvel.MVELEvalExpression.evaluate(MVELEvalExpression.java:42)
>
> at
> org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:77)
>
> ... 18 more
>
>
>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
>
> Thanks and Regards,
>
>
>
> Ravendra kumar
>
> IT Consultant
>
> __________________________________
> Logica- Releasing your potential
>
>
>
> Margrethepladsen 4, 8000 Århus C
> Danmark
> T: +45 2518 8864
> E-mail: ravendra.kumar at logica.com
> www.logica.dk
>
>
>
>
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