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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4J2-1180) Logger cache does not account for message factory
Date Mon, 02 Nov 2015 17:28:27 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-1180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985577#comment-14985577
] 

Gary Gregory commented on LOG4J2-1180:
--------------------------------------

Good catch, thank you, fixed in Git master.

> Logger cache does not account for message factory
> -------------------------------------------------
>
>                 Key: LOG4J2-1180
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1180
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: API
>    Affects Versions: 2.4.1
>            Reporter: Gary Gregory
>            Assignee: Gary Gregory
>             Fix For: 2.5
>
>         Attachments: LOG4J2-1180.diff
>
>
> The Logger cache does not account for a logger's message factory.
> If you call {{LogManager.getLogger(Class|Object|String, MessageFactory)}} and then call
a getLogger() API again with the same {{Class|Object|String}} a different message factory,
you get the Logger that was first created which means you will not get the proper formatted
messages.
> For example:
> {code:java}
> Logger loggerA1 = LogManager.getLogger("A", messageFactory1);
> Logger loggerA2 = LogManager.getLogger("A", messageFactory2);
> {code}
> loggerA1 is the same as loggerA2.
> This is a problem if two unrelated code bases (jars) both the same Logger names|objects|classes.



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