[logback-dev] [JIRA] Commented: (LBCLASSIC-255) LRUMessageCache is not multithread-safe.

[Ceki Gulcu (JIRA)]

    [ http://jira.qos.ch/browse/LBCLASSIC-255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11983#action_11983 ] 

Ceki Gulcu commented on LBCLASSIC-255:
--------------------------------------

Hello César,

On my machine, all tests in LRUMessageCacheTest pass without making any modifications to LRUMessageCache. This may be explained by the fact that the TestTask acts on amessage obtained from the current thread name. Thus, each task will work with a different message avoiding collisions between the various tasks. However, for testing purposes we would like to encourage collisions.

> LRUMessageCache is not multithread-safe.
> ----------------------------------------
>
>                 Key: LBCLASSIC-255
>                 URL: http://jira.qos.ch/browse/LBCLASSIC-255
>             Project: logback-classic
>          Issue Type: Bug
>    Affects Versions: unspecified
>            Reporter: César Álvarez Núñez
>            Assignee: Ceki Gulcu
>         Attachments: Added+synchronization+to+LRUMessageCache.+Now+it+is+multithread-safe.patch
>
>
> The LRUMessageCache used on DuplicateMessageFilter is not properly synchronized.

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