[jboss-jira] [JBoss JIRA] (JBRULES-3071) NPE in Pattern Builder (invalid unification usage)

[Geoffrey De Smet (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Geoffrey De Smet updated JBRULES-3071:
--------------------------------------

    Fix Version/s: 5.4.0.Beta3
                       (was: 5.4.0.Beta2)

    
> NPE in Pattern Builder (invalid unification usage)
> --------------------------------------------------
>
>                 Key: JBRULES-3071
>                 URL: https://issues.jboss.org/browse/JBRULES-3071
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler (expert)
>    Affects Versions: 5.2.0.CR1
>            Reporter: Wolfgang Laun
>            Assignee: Edson Tirelli
>             Fix For: 5.4.0.Beta3
>
>
> class Person { String name; }
>    $p1: Person( $name := name, age < 20  )
>    $p2: Person( $name;  )
> Exception in thread "main" java.lang.NullPointerException
> 	at org.drools.rule.builder.PatternBuilder.processPositional(PatternBuilder.java:372)
> 	at org.drools.rule.builder.PatternBuilder.processConstraintsAndBinds(PatternBuilder.java:341)
> 	at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:262)
> 	at org.drools.rule.builder.PatternBuilder.build(PatternBuilder.java:120)
> 	at org.drools.rule.builder.GroupElementBuilder.build(GroupElementBuilder.java:65)
> 	at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:81)
> 	at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1769)
> 	at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:743)
> 	at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:358)
> 	at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:536)
> 	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)

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