[jira] [Commented] (LOG4J2-2779) Enhance ContextDataInjector to be more flexible

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4J2-2779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17049951#comment-17049951 ] 

ASF subversion and git services commented on LOG4J2-2779:
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Commit c4c28085ad179578b396dd1def12c22209583cbf in logging-log4j2's branch refs/heads/master from Ralph Goers
[ https://gitbox.apache.org/repos/asf?p=logging-log4j2.git;h=c4c2808 ]

LOG4J2-2779 - Add ContextDataProviders as an alternative to having to implement a ContextDataInjector.


> Enhance ContextDataInjector to be more flexible
> -----------------------------------------------
>
>                 Key: LOG4J2-2779
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2779
>             Project: Log4j 2
>          Issue Type: Improvement
>            Reporter: Ralph Goers
>            Assignee: Ralph Goers
>            Priority: Major
>
> ContextDataInjector allows that it be completely replaced by setting a system property. But this is very heavyweight just to add new properties to every event.
> New Relic has a need to inject trace data into the event and are currently using a custom MessageFactory to do it, which has its problems. A better approach would be to allow DataIntector providers that are located via ServiceLoader and call each one during construction of a LogEvent.



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