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

[Ganesh Krishnan]

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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