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Posted to dev@nutch.apache.org by "lufeng (JIRA)" <ji...@apache.org> on 2013/02/04 07:36:13 UTC

[jira] [Commented] (NUTCH-1521) CrawlDbFilter pass null url to urlNormailzers

    [ https://issues.apache.org/jira/browse/NUTCH-1521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13570019#comment-13570019 ] 

lufeng commented on NUTCH-1521:
-------------------------------

Hi Lewis, I found the CrawlDbFilter class is only used in Nutch 1.x, not found in Nutch 2.x, so i think this patch is only applied to nutch 1.7. Thanks for your review.
                
> CrawlDbFilter pass null url to urlNormailzers
> ---------------------------------------------
>
>                 Key: NUTCH-1521
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1521
>             Project: Nutch
>          Issue Type: Bug
>    Affects Versions: 1.7
>            Reporter: lufeng
>            Assignee: lufeng
>            Priority: Trivial
>             Fix For: 1.7, 2.2
>
>         Attachments: CrawlDbFilter_v1.patch, NUTCH-1521-trunk.patch, TestCrawlDbFilter.java
>
>
> urlNormalizers will get null url if we set CRAWLDB_PURGE_404, and it will throw NullPointerException. and the WARN Log will output something like this "Skipping null NullPointerException".

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