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https://issues.apache.org/jira/browse/RANGER-3636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17496410#comment-17496410
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kirby zhou commented on RANGER-3636:
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It seems reasonable.
> Plugin classloader should use classloader of shim class as parent
> -----------------------------------------------------------------
>
> Key: RANGER-3636
> URL: https://issues.apache.org/jira/browse/RANGER-3636
> Project: Ranger
> Issue Type: Bug
> Components: plugins
> Reporter: Madhan Neethiraj
> Assignee: Madhan Neethiraj
> Priority: Major
> Fix For: 3.0.0, 2.3.0
>
> Attachments: RANGER-3636.patch
>
>
> Ranger uses plugin-classloader to avoid libraries needed by plugin
> implementation to be visible in component's CLASSPATH (RANGER-586). For
> classes/resources that are not found in plugin-impl directory, the
> classloader uses component's (service's) classloader. Currently, current
> thread's classloader is used as the component's classloader. However, this
> may not work for services that use class isolation themselves, in which case
> the current thread's classloader might be different from component's
> classloader. A better option will be to use the classloader that loaded the
> plugin shim class as the component classloader.
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