[jira] [Resolved] (LOG4J2-1529) composite configurations do not merge attributes on logger nodes

["Matt Sicker (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LOG4J2-1529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Sicker resolved LOG4J2-1529.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.7

Thanks for the patch! Applied in commit id dbe8c3abce06c07a93c071e7d87c5ce6ce1a28c2 in the master branch. Please verify and close.

> composite configurations do not merge attributes on logger nodes
> ----------------------------------------------------------------
>
>                 Key: LOG4J2-1529
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1529
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.6.2
>            Reporter: Sridevi Narra
>            Assignee: Matt Sicker
>             Fix For: 2.7
>
>         Attachments: log4j2-1529.diff
>
>
> According to Log4j2 Composite configuration documentation (https://logging.apache.org/log4j/2.x/manual/configuration.html#CompositeConfiguration) as given below, logger attributes should be merged.
> "Loggers are all aggregated. Logger attributes are individually merged with duplicates being replaced by those in later configurations. ..."
> However, if I have a 2 files that are composed with different Root Logger levels as given below, only the root level is used. I am not able to override the root logger level in the second file.
> file1.xml:
> {code}
> <Configuration status="WARN">
>   <Appenders>
>     <Console name="Console" target="SYSTEM_OUT">
>       <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n" />
>     </Console>
>   </Appenders>
>   <Loggers>
>         <Root level="warn">
>             <AppenderRef ref="Console" />
>         </Root>
>     </Loggers>
> </Configuration>
> {code}
> file2.xml:
> {code}
> <Configuration>
>   <Loggers>
>         <Root level="info">
>             <AppenderRef ref="Console" />
>         </Root>
>     </Loggers>
> </Configuration>
> {code}
> Command line arg:
> -Dlog4j.configurationFile=file1.xml,file2.xml
> Actual: The resulting log level is "warn"
> Expected: log level to be "info"



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