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) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira