[jboss-jira] [JBoss JIRA] Updated: (JBRULES-1466) please bail if user is using an incompatible MVEL

[Mark Proctor (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1466?page=all ]

Mark Proctor updated JBRULES-1466:
----------------------------------

    Fix Version/s: 4.0.5
                   5.0.0-M1
         Assignee: Sacha Labourey

See if you can do this. I would put the check into the MVELDialect (compile time) and MVELDialectData (runtime). This does mean that we have the version of MVEL we use hardcoded, but it seems the only way as differing MVEL versions are quite delicate.

> please bail if user is using an incompatible MVEL
> -------------------------------------------------
>
>                 Key: JBRULES-1466
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1466
>             Project: JBoss Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 4.0.4
>            Reporter: Godmar Back
>         Assigned To: Sacha Labourey
>             Fix For: 5.0.0-M1, 4.0.5
>
>
> When using MVEL, please check String constants org.mvel.MVEL.VERSION and org.mvel.MVEL.VERSION_SUB to see if it's compatible. Bail if it isn't.
> Ignoring version mismatches leads to difficult to diagnose problems, see:
> http://lists.jboss.org/pipermail/rules-users/2008-February/004759.html
> http://lists.jboss.org/pipermail/rules-users/2008-February/004709.html
> Thanks.

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