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https://issues.apache.org/jira/browse/NUTCH-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17648625#comment-17648625
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Markus Jelsma commented on NUTCH-2978:
--------------------------------------

Patch now includes Sebastian's patch, and actually contains the upgrade from 
old slf4j to the new 2.0.6. Tested on Hadoop 3.3.4 cluster with a parsing 
fetcher. This went just fine.

-I must admist that those slf4js and jcl-over-slf remaining in the plugins do 
bother me to some degree.-

New patch now includes exclusions to get rid of all of them.

> Move to slf4j2 and remove log4j1 and reload4j
> ---------------------------------------------
>
>                 Key: NUTCH-2978
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2978
>             Project: Nutch
>          Issue Type: Task
>            Reporter: Markus Jelsma
>            Priority: Major
>         Attachments: NUTCH-2978-1.patch, NUTCH-2978-2.patch, 
> NUTCH-2978-any23.patch, NUTCH-2978.patch
>
>
> I got in trouble upgrading some dependencies and got a lot of LinkageErrors 
> today, or with a Tika upgrade, disappearing logs. This patch fixes that by 
> moving to slf4j2, using the corrent log4j2-slfj4-impl2 and getting rid of old 
> log4j -> reload4j.
>  
> This patch fixes it.



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