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https://issues.apache.org/jira/browse/NUTCH-2383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16244019#comment-16244019
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Omkar Reddy commented on NUTCH-2383:
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I recently faced this issue, we need to set the property:
mapreduce.framework.name in mapred-site.xml as mentioned here [0] while
configuring the cluster.
[0]
https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/SingleCluster.html
> Wrong FS exception in Fetcher
> -----------------------------
>
> Key: NUTCH-2383
> URL: https://issues.apache.org/jira/browse/NUTCH-2383
> Project: Nutch
> Issue Type: Bug
> Components: fetcher
> Affects Versions: 1.13
> Environment: Hadoop 2.8 and Hadoop 2.7.2
> Reporter: Yossi Tamari
> Attachments: crawl output.txt
>
>
> Running bin/crawl on either Hadoop 2.7.2 or Hadoop 2.8, the Injector and
> Generator succeed, but the Fetcher throws:
> {code}java.lang.IllegalArgumentException: Wrong FS:
> hdfs://localhost:9000/user/root/crawl/segments/20170430084337/crawl_fetch,
> expected: file:///{code}.
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