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

[Michael Neale (JIRA)]

Can't use functions when MVEL dialect is set at package level
-------------------------------------------------------------

                 Key: JBRULES-2298
                 URL: https://jira.jboss.org/jira/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: Edson Tirelli
            Priority: Critical


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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