[jira] [Commented] (NUTCH-1633) slf4j is provided by hadoop and should not be included in the job file.

["Julien Nioche (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NUTCH-1633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14033665#comment-14033665 ] 

Julien Nioche commented on NUTCH-1633:
--------------------------------------

We all seem to have missed this one, sorry Kaveh. It makes sense. Just wondering if the log4j jars should be treated in the same way : aren't they used by slf4j? Do we use them directly in Nutch?

> slf4j is provided by hadoop and should not be included in the job file.
> -----------------------------------------------------------------------
>
>                 Key: NUTCH-1633
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1633
>             Project: Nutch
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 1.7, 2.2.1
>            Reporter: kaveh minooie
>            Priority: Minor
>              Labels: easyfix
>             Fix For: 2.4
>
>         Attachments: not-include-slf4j-in-job-file.2.x.patch, not-include-slf4j-in-job-file.trunk.patch
>
>   Original Estimate: 1m
>  Remaining Estimate: 1m
>
> there are two issues with including slf4j in the job file. the minor of the two is that slf4j starts issuing warnings when it finds more than on instances in the classpath( GORA-272 ). the bigger issue happens when the versions of the slf4j in hadoop and nutch are not compatible (ex. hadoop 1.1.1 & nutch 2.1) which results in all nutch jobs to crash. 



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