[jboss-jira] [JBoss JIRA] (DROOLS-45) Compilation failure caused by a CCE when building a rule with a unification in the LHS

[Mario Fusco (JIRA)]

Mario Fusco created DROOLS-45:
---------------------------------

             Summary: Compilation failure caused by a CCE when building a rule with a unification in the LHS
                 Key: DROOLS-45
                 URL: https://issues.jboss.org/browse/DROOLS-45
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
            Reporter: Mario Fusco
            Assignee: Mario Fusco


The following DRL doesn't compile and in particular fails with a java.lang.ClassCastException: org.drools.rule.GroupElement cannot be cast to org.drools.rule.Pattern

{code}
declare A
end

declare B
 inner : A
end

rule "Init"
when
then
  A a = new A();
  insert( a );
  insert( new B( a ) );
end

rule "Check"
when
  B( $in := inner )
  $in := A()
then
end
{code}

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