[jboss-jira] [JBoss JIRA] (DROOLS-127) ArrayIndexOutOfBoundsException when parsing rules with nested property access

[Peter Bäckman (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Bäckman updated DROOLS-127:
---------------------------------

    Attachment: drools_bug.zip


Small maven project that shows the problem.
                
> ArrayIndexOutOfBoundsException when parsing rules with nested property access
> -----------------------------------------------------------------------------
>
>                 Key: DROOLS-127
>                 URL: https://issues.jboss.org/browse/DROOLS-127
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 5.5.0.Final
>         Environment: Windows 7
>            Reporter: Peter Bäckman
>            Assignee: Mark Proctor
>         Attachments: drools_bug.zip
>
>
> The rule 
> {code}Message(type == "PayloadType1", payload#PayloadType1.data.leaf == "5"){code}
> gives the following Stack Trace:
> {code}
> Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 3
> 	at org.drools.lang.MVELDumper.concatDotSeparated(MVELDumper.java:264)
> 	at org.drools.lang.MVELDumper.splitInClassAndField(MVELDumper.java:249)
> 	at org.drools.lang.MVELDumper.processInlineCast(MVELDumper.java:188)
> 	at org.drools.lang.MVELDumper.processImplicitConstraints(MVELDumper.java:169)
> 	at org.drools.lang.MVELDumper.processAtomicExpression(MVELDumper.java:120)
> 	at org.drools.lang.MVELDumper.dump(MVELDumper.java:88)
> 	at org.drools.lang.MVELDumper.processRelationalExpression(MVELDumper.java:141)
> 	at org.drools.lang.MVELDumper.dump(MVELDumper.java:92)
> 	at org.drools.lang.MVELDumper.dump(MVELDumper.java:61)
> 	at org.drools.rule.builder.PatternBuilder.buildCcdDescr(PatternBuilder.java:641)
> 	at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:629)
> 	at org.drools.rule.builder.PatternBuilder.processConstraintsAndBinds(PatternBuilder.java:477)
> 	at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:302)
> 	at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:123)
> 	at org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:67)
> 	at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:84)
> 	at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:2830)
> 	at org.drools.compiler.PackageBuilder.compileRules(PackageBuilder.java:970)
> 	at org.drools.compiler.PackageBuilder.compileAllRules(PackageBuilder.java:879)
> 	at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:871)
> 	at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:466)
> 	at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:694)
> 	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:51)
> 	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:40)
> 	at nested.property.NestedPropertyTest.main(NestedPropertyTest.java:53)
> {code}

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