[jira] [Commented] (NUTCH-1828) bin/crawl : incorrect handling of nutch errors

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

    [ https://issues.apache.org/jira/browse/NUTCH-1828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14110177#comment-14110177 ] 

lufeng commented on NUTCH-1828:
-------------------------------

Can you provide a patch for Nutch 2.x? I found this issue has also effect Nutch2.x. 

Thanks Mathieu.

> bin/crawl : incorrect handling of nutch errors
> ----------------------------------------------
>
>                 Key: NUTCH-1828
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1828
>             Project: Nutch
>          Issue Type: Bug
>          Components: nutchNewbie
>    Affects Versions: 1.9, 2.2.1
>         Environment: Ubuntu Server 14.04, OpenJDK 7
>            Reporter: Mathieu Bouchard
>         Attachments: apache-nutch-1.9-crawl-fix-retcode.patch
>
>
> We are using Solr with Nutch to provide a complete search engine for our website.
> I created a cron job that would use Nutch to crawl and update the Solr index each night. This cron job is trying to automatically correct some errors that could result in a corrupt crawldb. However, it seems that the bin/crawl command doesn't correctly propagate errors coming from bin/nutch.
> Here is an exemple from the bin/crawl script :
>     $bin/nutch inject $CRAWL_PATH/crawldb $SEEDDIR
>     if [ $? -ne 0 ]
>       then exit $?
>     fi
> Even if there is an error in the nutch inject command, the crawl script always returns 0. The way I understand it, the exit code returned is the result of the shell test and not the result of the nutch inject command.
> To correct this, we would need to modify the script with something like :
>     $bin/nutch inject $CRAWL_PATH/crawldb $SEEDDIR
>     RETCODE=$?
>     if [ $RETCODE -ne 0 ]
>       then exit $RETCODE
>     fi



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