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https://issues.apache.org/jira/browse/LOG4J2-633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15185692#comment-15185692
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Matt Sicker commented on LOG4J2-633:
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Looks like this should be added to DefaultShutdownCallbackRegistry which means
we might need a fallback no-op registry for when we can't do anything due to
permission issues.
> Need to check permissions when registering shutdown hooks and obtaining
> classloaders
> ------------------------------------------------------------------------------------
>
> Key: LOG4J2-633
> URL: https://issues.apache.org/jira/browse/LOG4J2-633
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0-rc1
> Reporter: Ralph Goers
>
> http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimePermission.html
> documents what operations require RuntimePermission checks. Log4j 2 doesn't
> check these in a lot of cases.
> Log4j should check the permissions but do so in a manner that doesn't
> significantly impact performance. For example, registering shutdown hooks is
> infrequent and so the overhead is minimal while calls to obtain a Classloader
> are done much more frequently and so the permission checks need to be
> minimized.
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