[jboss-jira] [JBoss JIRA] Resolved: (JBRULES-3041) NPE (fatal) when compiling DRL declare...extends generic type

Edson Tirelli (JIRA) jira-events at lists.jboss.org
Fri May 20 11:54:01 EDT 2011


     [ https://issues.jboss.org/browse/JBRULES-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli resolved JBRULES-3041.
------------------------------------

    Resolution: Done


> NPE (fatal) when compiling DRL declare...extends generic type
> -------------------------------------------------------------
>
>                 Key: JBRULES-3041
>                 URL: https://issues.jboss.org/browse/JBRULES-3041
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler (expert)
>    Affects Versions: 5.2.0.M2
>            Reporter: Wolfgang Laun
>            Assignee: Mark Proctor
>             Fix For: 5.2.0.CR1
>
>
> import java.util.Set;
> declare Person extends Set
>   name : String
> end
> Compiling crashes with 
> Exception in thread "main" java.lang.NullPointerException
> 	at org.drools.compiler.PackageBuilder.mergeInheritedFields(PackageBuilder.java:1173)
> 	at org.drools.compiler.PackageBuilder.processTypeDeclarations(PackageBuilder.java:1267)
> 	at org.drools.compiler.PackageBuilder.mergePackage(PackageBuilder.java:932)
> 	at org.drools.compiler.PackageBuilder.newPackage(PackageBuilder.java:920)
> 	at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:631)
> 	at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:310)
> 	at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:486)
> 	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)
> This is related to 3040 but is NOT remedied by changing (restricting) the syntax.

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