2010/9/23 Ganesh Krishnan <ganeshk13@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

_______________________________________________
rules-users mailing list
rules-users@lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users

--
- CTO @ http://www.plugtree.com
- MyJourney @ http://salaboy.wordpress.com
- Co-Founder @ http://www.jbug.com.ar

- Salatino "Salaboy" Mauricio -