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Posted to dev@sling.apache.org by "Carsten Ziegeler (Resolved) (JIRA)" <ji...@apache.org> on 2012/04/03 15:26:25 UTC

[jira] [Resolved] (SLING-2445) Deprecate DynamicClassLoaderProvider

     [ https://issues.apache.org/jira/browse/SLING-2445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler resolved SLING-2445.
-------------------------------------

    Resolution: Fixed

Setting this to fixed now after some further testing
                
> Deprecate DynamicClassLoaderProvider
> ------------------------------------
>
>                 Key: SLING-2445
>                 URL: https://issues.apache.org/jira/browse/SLING-2445
>             Project: Sling
>          Issue Type: Improvement
>          Components: Commons
>    Affects Versions: Commons ClassLoader 1.2.4
>            Reporter: Carsten Ziegeler
>            Assignee: Carsten Ziegeler
>             Fix For: Commons ClassLoader 1.2.6
>
>
> The concept of the DynamicClassLoaderProvider - while looking attractive - doesn't work the way it has been intended. The major reason for this interface was dynamic class loading for the scripting support. However we can do this in a much cleaner way through the ClassLoaderWriter (separate issues will follow). A dynamic class loader provider has no way to tell the dynamic class loader manager, that it is not current anymore and a new instance needs to be created. Maybe we could come up with a clever way of doing this, but in the end the effort is not worth it as there is no other usage for this concept than scripting.
> In addition, it opens a door for circumventing the OSGi class loading completely and that's another good reason to forget about this.
> The idea is to:
> a) deprecate the interface
> b) do not call these providers anymore
> c) log a warning if a provider is found

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