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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (WW-4113) Wrong cache key generated in OGNL 3.0.5/3.0.6
Date Mon, 04 Nov 2013 09:02:19 GMT

     [ https://issues.apache.org/jira/browse/WW-4113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lukasz Lenart resolved WW-4113.
-------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 2.3.17)
                   2.3.16

Done, I have a bit extended proposed solution, right now just new release of Ognl is needed.

> Wrong cache key generated in OGNL 3.0.5/3.0.6
> ---------------------------------------------
>
>                 Key: WW-4113
>                 URL: https://issues.apache.org/jira/browse/WW-4113
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Expression Language
>    Affects Versions: 2.3.4, 2.3.4.1, 2.3.7, 2.3.8, 2.3.12, 2.3.14, 2.3.14.1, 2.3.14.2,
2.3.14.3, 2.3.15
>            Reporter: Kevin Su
>            Assignee: Lukasz Lenart
>              Labels: patch
>             Fix For: 2.3.16
>
>
> Struts since 2.3.4 (maybe earlier as well) has dependency on ognl.OgnlRuntime 3.0.5 /
3.0.6.  OgnlRuntime 3.0.5/3.0.6 has a bug in the cache implementation to look up the getter
and setter methods.  The hashCode of the action class (in combination to the hashCode for
the name of the property) is used as a unique key into the cache of getter and setters.  
> Since hashCode can not be relied on to be unique, setting the property on the target
action class may fail because the wrong method from another action is returned.
> The latest implemenation of OgnlRuntime in Apache commons has the proper implementation.

> We are currently using our own patched version of 3.0.6 to work around the issue.  However,
we'll like to see this resolved so we don't need to maintain our own private version of Ognl.
 
> Is there a plan to migrate the dependency to the Apache commons distribution of Ognl?
If not, we'll be happy to share our fix.



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