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https://issues.apache.org/jira/browse/NUTCH-706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467990#comment-13467990
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Sebastian Nagel commented on NUTCH-706:
---------------------------------------
Are there objections to apply and commit the patch? Tests pass for both trunk
and 2.x.
The problem is reported twice. Until there is a more sophisticated URL
normalizer (see Ken Krugler's comment) there is no real alternative then
improving the regex pattern.
> Url regex normalizer
> --------------------
>
> Key: NUTCH-706
> URL: https://issues.apache.org/jira/browse/NUTCH-706
> Project: Nutch
> Issue Type: Bug
> Affects Versions: 1.0.0
> Reporter: Meghna Kukreja
> Priority: Minor
> Fix For: 1.6
>
> Attachments: NUTCH-706-2.patch, NUTCH-706.patch
>
>
> Hey,
> I encountered the following problem while trying to crawl a site using
> nutch-trunk. In the file regex-normalize.xml, the following regex is
> used to remove session ids:
> <pattern>([;_]?((?i)l|j|bv_)?((?i)sid|phpsessid|sessionid)=.*?)(\?|&|#|$)</pattern>.
> This pattern also transforms a url, such as,
> "&newsId=2000484784794&newsLang=en" into "&new&newsLang=en" (since it
> matches 'sId' in the 'newsId'), which is incorrect and hence does not
> get fetched. This expression needs to be changed to prevent this.
> Thanks,
> Meghna
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