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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-2442) Injector to stop if job fails to avoid loss of CrawlDb
Date Mon, 06 Nov 2017 21:51:00 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-2442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16240970#comment-16240970
] 

Hudson commented on NUTCH-2442:
-------------------------------

SUCCESS: Integrated in Jenkins build Nutch-trunk #3467 (See [https://builds.apache.org/job/Nutch-trunk/3467/])
NUTCH-2442 Injector to stop if job fails to avoid loss of CrawlDb (omkarreddy2008: [https://github.com/apache/nutch/commit/2352f9a4f47693cd8ca653f0b0629d186593fc4a])
* (edit) src/java/org/apache/nutch/util/domain/DomainStatistics.java
* (edit) src/java/org/apache/nutch/crawl/Injector.java
* (edit) src/java/org/apache/nutch/util/CrawlCompletionStats.java
* (edit) src/java/org/apache/nutch/util/ProtocolStatusStatistics.java
* (edit) src/java/org/apache/nutch/util/SitemapProcessor.java
* (edit) src/java/org/apache/nutch/hostdb/ReadHostDb.java


> 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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