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https://issues.apache.org/jira/browse/NUTCH-446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12494734
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Doğacan Güney commented on NUTCH-446:
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So, does anyone have objections to this? It fixes an annoying (albeit rare) bug
in which Nutch doesn't fetch pages even though it is alllowed to, or behave too
polite/impolite. And it doesn't seem to break anything.
> RobotRulesParser should ignore Crawl-delay values of other bots in robots.txt
> -----------------------------------------------------------------------------
>
> Key: NUTCH-446
> URL: https://issues.apache.org/jira/browse/NUTCH-446
> Project: Nutch
> Issue Type: Bug
> Components: fetcher
> Affects Versions: 0.9.0
> Reporter: Doğacan Güney
> Priority: Minor
> Fix For: 1.0.0
>
> Attachments: crawl-delay.patch, crawl-delay_test.patch
>
>
> RobotRulesParser doesn't check for addRules when reading the crawl-delay
> value, so the nutch bot will get the crawl-delay value of another robot's
> crawl-delay in robots.txt.
> Let me try to be more clear:
> User-agent: foobot
> Crawl-delay: 3600
> User-agent: *
> Disallow: /baz
> In such a robots.txt file, nutch bot will get 3600 as its crawl-delay
> value, no matter what nutch bot's name actually is.
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