[rules-users] iisue with Operator 'Operator = '>'' does not exist for StringEvaluator

[Mauricio Salatino]

But... where are you using that operator??
are you comparing string with ">"??


2010/9/23 Ganesh Krishnan <ganeshk13 at yahoo.co.in>

> Hi
>
> I'm facing some issue with DRools . Could you help me to solve the issue.
>
> The Error :  Exception in thread "main" *java.lang.RuntimeException*:
> Operator 'Operator = '>'' does not exist for StringEvaluator
>
> I'm using Drools 1.4 version and i'm having the following jars in my
> classpath.
>
> ant-1.6.5.jar                    core-3.2.3.v_686_R32x.jar
> drools-compiler-4.0.7.jar
> antlr-runtime-3.0.jar         drools-analytics-4.0.7.jar
> drools-core-4.0.7.jar
> ant-nodeps-1.6.5.jar        drools-ant-4.0.7.jar
> drools-decisiontables-4.0.7.jar
> drools-jsr94-4.0.7.jar      janino-2.5.10.jar                 jsr94-1.1.jar
> mvel-1.3.1-java1.4.jar
>
>
> Please check the detail error deatils
>
> Exception in thread "main" *java.lang.RuntimeException*: Operator
> 'Operator = '>'' does not exist for StringEvaluator.
>
> at org.drools.base.evaluators.StringFactory.getEvaluator(
> *StringFactory.java:70*)
>
> at org.drools.base.ValueType.getEvaluator(
> *ValueType.java:166*)
>
> at org.drools.rule.builder.PatternBuilder.getEvaluator(
> *PatternBuilder.java:900*)
>
> at org.drools.rule.builder.PatternBuilder.buildRestriction(
> *PatternBuilder.java:714*)
>
> at org.drools.rule.builder.PatternBuilder.buildRestriction(
> *PatternBuilder.java:625*)
>
> at org.drools.rule.builder.PatternBuilder.createRestriction(
> *PatternBuilder.java:434*)
>
> at org.drools.rule.builder.PatternBuilder.build(
> *PatternBuilder.java:308*)
>
> at org.drools.rule.builder.PatternBuilder.buildConstraint(
> *PatternBuilder.java:199*)
>
> at org.drools.rule.builder.PatternBuilder.build(
> *PatternBuilder.java:168*)
>
> at org.drools.rule.builder.PatternBuilder.build(
> *PatternBuilder.java:93*)
>
> at org.drools.rule.builder.GroupElementBuilder.build(
> *GroupElementBuilder.java:69*)
>
> at org.drools.rule.builder.RuleBuilder.build(
> *RuleBuilder.java:53*)
>
> at org.drools.compiler.PackageBuilder.addRule(
> *PackageBuilder.java:446*)
>
> at org.drools.compiler.PackageBuilder.addPackage(
> *PackageBuilder.java:304*)
>
> at org.drools.compiler.PackageBuilder.addPackageFromDrl(
> *PackageBuilder.java:167*)
>
> at com.starwood.saratoga.scripting.poc.SaratogaApp.buildRuleBase(
> *SaratogaApp.java:34*)
>
> at com.starwood.saratoga.scripting.poc.SaratogaApp.scriptGenerator(
> *SaratogaApp.java:133*)
> at com.starwood.saratoga.scripting.poc.SaratogaApp.main(
> *SaratogaApp.java:204*)
>
> To resolve this issue please suggest what are the jar's i supposed to use.
>
> Thanks & regards
> Ganesh K
>
>
>
>
>
>
>
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>
>


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