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

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco reassigned DROOLS-291:
----------------------------------

    Assignee: Mario Fusco  (was: Mark Proctor)

    
> 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: 5.5.0.Final,  6.0.0.CR4
>            Reporter: Davide Sottara
>            Assignee: Mario Fusco
>            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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