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https://issues.apache.org/jira/browse/JCR-3345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13397603#comment-13397603
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Julian Reschke commented on JCR-3345:
-------------------------------------
For the record: the problem is not related to the CachingEntryCollector; the
problem also occurs when no caching takes place at all.
> ACL evaluation may return non-fresh results
> -------------------------------------------
>
> Key: JCR-3345
> URL: https://issues.apache.org/jira/browse/JCR-3345
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-core, security
> Affects Versions: 2.6
> Reporter: Julian Reschke
> Attachments: JCR-3345.test.patch
>
>
> It appears that changes to access control entries are not always visible
> right away; in particular not to the session that caused them.
> EntryCollectorTest has recently been extended to run the existing set of
> tests under load as well, and occasionally we see tests failing because of
> ACEs not yet being returned.
> Increasing the load (see attached patch for the test) seems to make it easier
> to reproduce.
> The underlying reason might be that this involves multiple sessions to be in
> sync.
> Note that the cache in CachingEntryCollector doesn't seem to be the cause;
> disabling it by commenting out all write operations to the cache (making
> everything a cache miss) doesn't change the outcome.
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