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From "Lewis John McGibbney (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (NUTCH-1314) Impose a limit on the length of outlink target urls
Date Tue, 18 Oct 2016 04:23:58 GMT

     [ https://issues.apache.org/jira/browse/NUTCH-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lewis John McGibbney updated NUTCH-1314:
----------------------------------------
    Fix Version/s:     (was: 2.5)
                   2.4

> Impose a limit on the length of outlink target urls
> ---------------------------------------------------
>
>                 Key: NUTCH-1314
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1314
>             Project: Nutch
>          Issue Type: Improvement
>            Reporter: Ferdy Galema
>            Assignee: Lewis John McGibbney
>             Fix For: 2.4
>
>         Attachments: NUTCH-1314-trunk.patch, NUTCH-1314-v2.patch, NUTCH-1314-v3.patch,
NUTCH-1314-v4.patch, NUTCH-1314.patch
>
>
> In the past we have encountered situations where crawling specific broken sites resulted
in ridiciously long urls that caused the stalling of tasks. The regex plugins (normalizing/filtering)
processed single urls for hours, if not indefinitely hanging.
> My suggestion is to limit the outlink url target length as soon possible. It is a configurable
limit, the default is 3000. This should be reasonably long enough for most uses. But sufficienly
strict enough to make sure regex plugins do not choke on urls that are too long. Please see
attached patch for the Nutchgora implementation.
> I'd like to hear what you think about this.



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