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Posted to dev@nutch.apache.org by "Ken Krugler (JIRA)" <ji...@apache.org> on 2011/06/24 16:35:47 UTC

[jira] [Commented] (NUTCH-1013) Migrate RegexURLNormalizer from Apache ORO to java.util.regex

    [ https://issues.apache.org/jira/browse/NUTCH-1013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13054471#comment-13054471 ] 

Ken Krugler commented on NUTCH-1013:
------------------------------------

No comment directly related to this patch, but URL normalization seems like a great component to move into crawler-commons, since all web crawlers need to do the same thing.

> Migrate RegexURLNormalizer from Apache ORO to java.util.regex
> -------------------------------------------------------------
>
>                 Key: NUTCH-1013
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1013
>             Project: Nutch
>          Issue Type: Improvement
>            Reporter: Markus Jelsma
>            Assignee: Markus Jelsma
>             Fix For: 1.4, 2.0
>
>         Attachments: NUTCH-1013-1.4.patch
>
>
> Apache ORO uses old Perl 5-style regular expressions. Features such as the powerful lookbehind are not available. The project has become retired as well. 

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