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Posted to commits@wicket.apache.org by "S Mathez (Created) (JIRA)" <ji...@apache.org> on 2012/01/04 19:07:39 UTC

[jira] [Created] (WICKET-4324) [wicket-ioc] LazyInitProxyFactory CGLIB proxies naming strategy may cause java.lang.IllegalAccessError

[wicket-ioc] LazyInitProxyFactory CGLIB proxies naming strategy may cause java.lang.IllegalAccessError
------------------------------------------------------------------------------------------------------

                 Key: WICKET-4324
                 URL: https://issues.apache.org/jira/browse/WICKET-4324
             Project: Wicket
          Issue Type: Bug
          Components: wicket-spring
            Reporter: S Mathez


A CGLib proxy created by LazyInitProxyFactory may cause java.lang.IllegalAccessError when the target class has "package-private" method.

I think the root cause of this problem is the choosen strategy for naming proxies (see WICKET-1162) : after adding "WICKET_" before the package name of the target class, the proxy becomes a member of a new package. (This behaviour is different as which is used by CGLib DefaultNamingPolicy).

Why not adding "_WICKET" *after* the name of the target class ?

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[jira] [Resolved] (WICKET-4324) [wicket-ioc] LazyInitProxyFactory CGLIB proxies naming strategy may cause java.lang.IllegalAccessError

Posted by "Martin Grigorov (Resolved) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/WICKET-4324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Grigorov resolved WICKET-4324.
-------------------------------------

    Resolution: Cannot Reproduce

I just added package private methods locally to
org.apache.wicket.proxy.util.InterfaceObject
and
org.apache.wicket.proxy.util.ConcreteObject

and this didn't break org.apache.wicket.proxy.LazyInitProxyFactoryTest.

Please modify this test so that it breaks and attach the patch here. We will reopen the ticket. 
                
> [wicket-ioc] LazyInitProxyFactory CGLIB proxies naming strategy may cause java.lang.IllegalAccessError
> ------------------------------------------------------------------------------------------------------
>
>                 Key: WICKET-4324
>                 URL: https://issues.apache.org/jira/browse/WICKET-4324
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-spring
>            Reporter: S Mathez
>              Labels: proxy
>
> A CGLib proxy created by LazyInitProxyFactory may cause java.lang.IllegalAccessError when the target class has "package-private" method.
> I think the root cause of this problem is the choosen strategy for naming proxies (see WICKET-1162) : after adding "WICKET_" before the package name of the target class, the proxy becomes a member of a new package. (This behaviour is different as which is used by CGLib DefaultNamingPolicy).
> Why not adding "_WICKET" *after* the name of the target class ?

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[jira] [Commented] (WICKET-4324) [wicket-ioc] LazyInitProxyFactory CGLIB proxies naming strategy may cause java.lang.IllegalAccessError

Posted by "Martin Grigorov (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/WICKET-4324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181901#comment-13181901 ] 

Martin Grigorov commented on WICKET-4324:
-----------------------------------------

Can you provide a quickstart application ?

Why prefixing (or suffixing) the class name would change the package ?!
                
> [wicket-ioc] LazyInitProxyFactory CGLIB proxies naming strategy may cause java.lang.IllegalAccessError
> ------------------------------------------------------------------------------------------------------
>
>                 Key: WICKET-4324
>                 URL: https://issues.apache.org/jira/browse/WICKET-4324
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-spring
>            Reporter: S Mathez
>              Labels: proxy
>
> A CGLib proxy created by LazyInitProxyFactory may cause java.lang.IllegalAccessError when the target class has "package-private" method.
> I think the root cause of this problem is the choosen strategy for naming proxies (see WICKET-1162) : after adding "WICKET_" before the package name of the target class, the proxy becomes a member of a new package. (This behaviour is different as which is used by CGLib DefaultNamingPolicy).
> Why not adding "_WICKET" *after* the name of the target class ?

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