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Posted to notifications@logging.apache.org by "Volkan Yazici (Jira)" <ji...@apache.org> on 2023/04/24 20:27:00 UTC

[jira] [Closed] (LOG4J2-3660) PatternLayout %notEmpty should consider an MDC with no keys as empty

     [ https://issues.apache.org/jira/browse/LOG4J2-3660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Volkan Yazici closed LOG4J2-3660.
---------------------------------

> PatternLayout %notEmpty should consider an MDC with no keys as empty
> --------------------------------------------------------------------
>
>                 Key: LOG4J2-3660
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-3660
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Layouts, Pattern Converters
>    Affects Versions: 2.17.2
>            Reporter: Nick Dimiduk
>            Assignee: Volkan Yazici
>            Priority: Major
>             Fix For: 2.21.0
>
>
> Introducing MDC logging over on HBASE-27762, we noticed an annoyance when writing a patter to ship by default. When the MDC contains no keys, {{%notEmpty}} still considers it as non-empty and renders as "{}". I expected that {{notEmpty}} would consider the absence of any keys in the MDC as an empty object.



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