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https://issues.apache.org/jira/browse/NUTCH-2442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16241584#comment-16241584
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ASF GitHub Bot commented on NUTCH-2442:
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sebastian-nagel commented on issue #239: NUTCH-2442 Injector to stop if job
fails to avoid loss of CrawlDb
URL: https://github.com/apache/nutch/pull/239#issuecomment-342390895
Yes, that's clear. But the initial challenge is to port the complex build
system to Maven.
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> Injector to stop if job fails to avoid loss of CrawlDb
> ------------------------------------------------------
>
> Key: NUTCH-2442
> URL: https://issues.apache.org/jira/browse/NUTCH-2442
> Project: Nutch
> Issue Type: Bug
> Components: injector
> Affects Versions: 1.13
> Reporter: Sebastian Nagel
> Priority: Critical
> Fix For: 1.14
>
>
> Injector does not check whether the MapReduce job is successful. Even if the
> job fails
> - installs the CrawlDb
> -- move current/ to old/
> -- replace current/ with an empty or potentially incomplete version
> - exits with code 0 so that scripts running the crawl workflow cannot detect
> the failure -- if Injector is run a second time the CrawlDb is lost (both
> current/ and old/ are empty or corrupted)
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