[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1397) org.mvel.CompileException: variable already defined within scope

[Edson Tirelli (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1397?page=all ]

Edson Tirelli closed JBRULES-1397.
----------------------------------

    Resolution: Done

Fixed.

> org.mvel.CompileException: variable already defined within scope
> ----------------------------------------------------------------
>
>                 Key: JBRULES-1397
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1397
>             Project: JBoss Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 4.0.3
>            Reporter: Edson Tirelli
>         Assigned To: Edson Tirelli
>             Fix For: 4.0.4, 4.1.0
>
>
> Reported by Alexander Bagerman.
> The following rule and code snippet raises the problem:
> rule "rule"
>     dialect "mvel"
>     when
>         $p : Person( $likes : likes )
>     then
>         Cheese c = new Cheese( $likes );
>         System.out.println( $p + " -> " + c );
>         insert( c );
> end
> // snippet
>             Person bob = new Person( "Bob", "stilton" );
>             Person mark = new Person( "Mark", "brie" );
>             workingMemory.insert( bob );
>             workingMemory.insert( mark );
>             workingMemory.fireAllRules();   
> The exception is:
> Caused by: org.mvel.CompileException: variable already defined within scope: class com.sample.Cheese c
> 	at org.drools.base.mvel.DroolsMVELFactory.createVariable(DroolsMVELFactory.java:218)
> 	at org.mvel.ast.TypedVarNode.getReducedValueAccelerated(TypedVarNode.java:43)
> 	at org.mvel.MVELRuntime.execute(MVELRuntime.java:88)
> 	at org.mvel.CompiledExpression.getValue(CompiledExpression.java:108)
> 	at org.mvel.MVEL.executeExpression(MVEL.java:235)
> 	at org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:47)
> 	at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550)

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