[jboss-jira] [JBoss JIRA] Updated: (JBRULES-2298) Can't use functions when MVEL dialect is set at package level

[Geoffrey De Smet (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-2298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Geoffrey De Smet updated JBRULES-2298:
--------------------------------------

    Fix Version/s: 5.3.0.Final
                       (was: 5.3.0.CR1)


> Can't use functions when MVEL dialect is set at package level
> -------------------------------------------------------------
>
>                 Key: JBRULES-2298
>                 URL: https://issues.jboss.org/browse/JBRULES-2298
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler
>    Affects Versions: 5.0.1.FINAL
>            Reporter: Michael Neale
>            Assignee: Mark Proctor
>            Priority: Critical
>             Fix For: 5.3.0.Final
>
>
> package jboss.cloud
> dialect "mvel"
> #trying to get functions working...
> rule "something"
>    when
>        s: SimpleFact(id == 42, name == "michael")
>    then
>        System.out.println("hello");
> end
> function String doSomething() {
>  return "hey";
> }
> And I get:
> java.lang.NullPointerException
>        at org.drools.rule.builder.dialect.mvel.MVELDialect.compile(MVELDialect.java:510)
>        at org.drools.rule.builder.dialect.mvel.MVELDialect.addFunction(MVELDialect.java:338)
>        at org.drools.compiler.PackageBuilder.addFunction(PackageBuilder.java:1104)
>        at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:626)
>        at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:290)
>        at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:488)
>        at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:25)

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