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https://issues.apache.org/jira/browse/NUTCH-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17644825#comment-17644825
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Markus Jelsma commented on NUTCH-2978:
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This morning i saw one of our internal projects spewing the same error as
any23, it was quickly remedied by upgrading a dependency further down the line.
Not sure if this will go as easy with the any23 plugin, i'll take a look
Regarding running on Hadoop, I just ran a patched 1.20 CrawldbReader job on a
3.3.4 cluster, i ran flawless! Encouranged by the result i quickly ran a
generate, followed by a fetch. The fetch failed due to LinkageError in our
parser plugin, similar as parse-tika. Too bad.
A local indexchecker runs fine, an indexchecker using a job file fails with the
same error.
> 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.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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