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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: None
Affects Version/s: None
Component/s: executable model
Labels:
- support

Sprint:
2021 Week 19-21 (from May 10)
Steps to Reproduce:

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run attached reproducer by 'mvn clean -X compile'.
If run it by 'mvn clean compile exec:exec", build would work and rule is executed as expected.

Show
run attached reproducer by 'mvn clean -X compile'. If run it by 'mvn clean compile exec:exec", build would work and rule is executed as expected.
Workaround Description:

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Rewrte constraint either of the following.

$fact : Fact( bd == 150)

or
$fact : Fact( $b : bd, $b == "150")

Show
Rewrte constraint either of the following. $fact : Fact( bd == 150) or $fact : Fact( $b : bd, $b == "150")
Release Note Text:
https://github.com/kiegroup/drools/commit/32f158fd2ff265c91534e5520550275ec5b6ddb2
Git Pull Request:
https://github.com/kiegroup/drools/pull/3619
Docs QE Status:
NEW
QE Status:
NEW

When comparing BigDecimal type property with String literal like the following.

        $fact : Fact( bd == "150")

compile in executable model fails with java.lang.NumberFormatException like the following.

Caused by: java.lang.NumberFormatException: Character " is neither a decimal digit number, decimal point, nor "e" notation exponential mark.
    at java.math.BigDecimal.<init> (BigDecimal.java:518)
    at java.math.BigDecimal.<init> (BigDecimal.java:401)
    at java.math.BigDecimal.<init> (BigDecimal.java:834)
    at org.drools.modelcompiler.builder.generator.expression.AbstractExpressionBuilder.narrowExpressionToType (AbstractExpressionBuilder.java:273)
    at org.drools.modelcompiler.builder.generator.expression.PatternExpressionBuilder.buildIndexedBy (PatternExpressionBuilder.java:210)
    at org.drools.modelcompiler.builder.generator.expression.PatternExpressionBuilder.buildSingleExpressionWithIndexing (PatternExpressionBuilder.java:104)
    at org.drools.modelcompiler.builder.generator.expression.PatternExpressionBuilder.buildExpressionWithIndexing (PatternExpressionBuilder.java:92)
    at org.drools.modelcompiler.builder.generator.expression.PatternExpressionBuilder.processExpression (PatternExpressionBuilder.java:70)
    at org.drools.modelcompiler.builder.generator.expression.AbstractExpressionBuilder.processExpression (AbstractExpressionBuilder.java:85)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSLSimpleConstraint.buildPattern (PatternDSLSimpleConstraint.java:45)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSL$3.onSuccess (PatternDSL.java:215)
    at org.drools.modelcompiler.builder.generator.drlxparse.AbstractDrlxParseSuccess.accept (AbstractDrlxParseSuccess.java:46)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSL.buildConstraint (PatternDSL.java:208)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSLPattern.buildConstraints (PatternDSLPattern.java:100)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSLPattern.buildPattern (PatternDSLPattern.java:53)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSL.buildPattern (PatternDSL.java:251)
    at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit (ModelGeneratorVisitor.java:145)
    at org.drools.compiler.lang.descr.PatternDescr.accept (PatternDescr.java:303)
    at org.drools.modelcompiler.builder.generator.visitor.AndVisitor.visit (AndVisitor.java:50)
    at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit (ModelGeneratorVisitor.java:86)
    at org.drools.modelcompiler.builder.generator.ModelGenerator.processRule (ModelGenerator.java:191)
    at org.drools.modelcompiler.builder.generator.ModelGenerator.generateModel (ModelGenerator.java:153)
    at org.drools.modelcompiler.builder.ModelBuilderImpl.compileKnowledgePackages (ModelBuilderImpl.java:274)
    at org.drools.modelcompiler.builder.ModelBuilderImpl.buildRules (ModelBuilderImpl.java:210)
    at org.drools.modelcompiler.builder.ModelBuilderImpl.doSecondBuildStep (ModelBuilderImpl.java:119)
    at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build (CompositeKnowledgeBuilderImpl.java:115)
    at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build (CompositeKnowledgeBuilderImpl.java:99)
    at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages (AbstractKieProject.java:268)
    at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages (AbstractKieProject.java:216)
    at org.drools.compiler.kie.builder.impl.AbstractKieProject.verify (AbstractKieProject.java:80)
    at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject (KieBuilderImpl.java:277)
    at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll (KieBuilderImpl.java:245)
    at org.kie.maven.plugin.GenerateModelMojo.generateModel (GenerateModelMojo.java:144)
    at org.kie.maven.plugin.GenerateModelMojo.execute (GenerateModelMojo.java:104)

This works with non-executable model.

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reproducer_bd_str_compare.zip
12 kB
2021/05/18 8:37 AM

clones

RHDM-1715 compile error in exec model when comparing BigDecimal with String literal

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