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https://issues.apache.org/jira/browse/LOG4J2-2975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17599865#comment-17599865
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ASF subversion and git services commented on LOG4J2-2975:
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Commit 1501fd3646e09d2b3f31c3c3f3ce80d775ab149e in logging-log4j2's branch
refs/heads/master from Piotr P. Karwasz
[ https://gitbox.apache.org/repos/asf?p=logging-log4j2.git;h=1501fd3646 ]
[LOG4J2-2975] Add release notes
> SLF4J fluent API fails to capture call site location due to missing
> LoggingEventAware implementation
> ----------------------------------------------------------------------------------------------------
>
> Key: LOG4J2-2975
> URL: https://issues.apache.org/jira/browse/LOG4J2-2975
> Project: Log4j 2
> Issue Type: Bug
> Components: SLF4J Bridge
> Affects Versions: 2.13.3
> Reporter: Daniel Gray
> Assignee: Piotr Karwasz
> Priority: Major
>
> The logger outputs the wrong log line (120 for INFO, 117 for DEBUG, etc.)
> instead of the line in the program that generated the log, when running with
> the slf4j bridge. *This causes potential confusion when a person debugging
> something is reading the logs as the line numbers are wrong!*
> I have prepared 2 simple CLI apps to show the correct behavior (with only
> Log4J) and the incorrect behavior (with the SLF4J bridge). Both are using the
> exact same configuration (log4j2.properties). The repositories of these
> sample projects are:
> Good behavior with a pure log4j:
> [https://github.com/danielthegray/log4j-nobugsample]
> Wrong behavior with the slf4j bridge:
> [https://github.com/danielthegray/slf4j-bugsample]
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