[jira] [Commented] (JCR-3658) MembershipCache not consistently synchronized

["Marcel Reutegger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JCR-3658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753367#comment-13753367 ] 

Marcel Reutegger commented on JCR-3658:
---------------------------------------

In addition, the cache is too tightly synchronized and does not allow access to the cache when a thread is loading data in case of a cache miss.
                
> MembershipCache not consistently synchronized
> ---------------------------------------------
>
>                 Key: JCR-3658
>                 URL: https://issues.apache.org/jira/browse/JCR-3658
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: jackrabbit-core, security
>    Affects Versions: 2.7
>            Reporter: Tobias Bocanegra
>            Assignee: Marcel Reutegger
>            Priority: Minor
>
> the membership cache access is mostly synchronized on 'this' but in the onEvent() handler, the internal cache object is synchronized.
> suggest: to improve cache access by a r/w lock instead.

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