[jboss-jira] [JBoss JIRA] (DROOLS-291) ClassCastException during constraint jitting when an interface is used for implementation and traiting

[Davide Sottara (JIRA)]

Davide Sottara created DROOLS-291:
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             Summary: ClassCastException during constraint jitting when an interface is used for implementation and traiting
                 Key: DROOLS-291
                 URL: https://issues.jboss.org/browse/DROOLS-291
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions:  6.0.0.CR4, 5.5.0.Final
            Reporter: Davide Sottara
            Assignee: Mark Proctor
            Priority: Critical


The following combination is needed:
- an interface IX with at least one getter/setter pair
- a trait IY extending IX
- a class K implementing IX
- a jittable constraint on IX

The constraint is first triggered by an "instance" of IY, 
but jitted by an instance of K.
The condition analyzer assumes that IY is the natural
domain of the constratint, rather than IX. The jitted
constraint will then try to cast K to IY, resulting in
a disruptive CCE




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