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https://issues.apache.org/jira/browse/TIKA-3164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17457332#comment-17457332
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Tim Allison commented on TIKA-3164:
-----------------------------------

I'm really grateful that POI has moved to log4j2 (today's news 
notwithstanding)... The amount of new, effective logging is several orders of 
magnitude larger than 4.x.  I had 36MB of logs with 4.x on ~400k MSOffice 
files, and my log for 5.x will probably be around 5GB once the run is complete.

I'm wondering if we should configure default logging in tika-app and 
tika-server to turn off POI's logging or if we should add massive warnings in 
the release notes?

Something like this that would allow XMLHelper's warning?  [~pj.fanning] and 
fellow Tika devs, what do you think?
{noformat}
    <!-- effectively turn off the logging for POI 5.x but leave the xmlhelper
         to warn-->
    <Logger name="org.apache.poi.util.XMLHelper" level="INFO" 
additivity="false">
      <AppenderRef ref="Console"/>
    </Logger>
    <Logger name="org.apache.poi" level="ERROR" additivity="false">
      <AppenderRef ref="Console"/>
    </Logger>
{noformat}

> Upgrade to POI 5.0.0 when available
> -----------------------------------
>
>                 Key: TIKA-3164
>                 URL: https://issues.apache.org/jira/browse/TIKA-3164
>             Project: Tika
>          Issue Type: Task
>            Reporter: Tim Allison
>            Priority: Major
>




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