[jira] [Resolved] (NUTCH-1288) Generator should not generate filter and not found and denied and gone and permanently moved pages

["Julien Nioche (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NUTCH-1288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julien Nioche resolved NUTCH-1288.
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    Resolution: Invalid

This is not the right way to do. If you don't want to re-try such pages then implement a custom fetch schedule - don't hack the AbstractFetchSchedule as you do.
Hardcoding the schedule policy forces people to use Nutch the way you want to use it, not a good idea. Moreover your patch removes useful information about the status of a page to give a more generic (and dubious value).
                
> Generator should not generate filter and not found and denied and gone and permanently moved pages
> --------------------------------------------------------------------------------------------------
>
>                 Key: NUTCH-1288
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1288
>             Project: Nutch
>          Issue Type: Bug
>          Components: fetcher, generator
>    Affects Versions: 1.4
>            Reporter: behnam nikbakht
>         Attachments: NUTCH-1288.patch
>
>
> Generator should not generate filter and not found and denied and gone and permanently moved pages.
> in the shouldFetch method in AbstractFetchSchedule, CrawlDatum must checked against special states of fetch like not found, and not generate them again.
> so we can add a status in CrawlDatum that indicates invalid urls, and set this status in fetch.

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