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https://issues.apache.org/jira/browse/NUTCH-753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrzej Bialecki closed NUTCH-753.
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Resolution: Fixed
Fix Version/s: 1.1
Assignee: Andrzej Bialecki
> Prevent new Fetcher to retrieve the robots twice
> ------------------------------------------------
>
> Key: NUTCH-753
> URL: https://issues.apache.org/jira/browse/NUTCH-753
> Project: Nutch
> Issue Type: Improvement
> Components: fetcher
> Affects Versions: 1.0.0
> Reporter: Julien Nioche
> Assignee: Andrzej Bialecki
> Fix For: 1.1
>
> Attachments: NUTCH-753.patch
>
>
> The new Fetcher which is now used by default handles the robots file directly
> instead of relying on the protocol. The options Protocol.CHECK_BLOCKING and
> Protocol.CHECK_ROBOTS are set to false to prevent fetching the robots.txt
> twice (in Fetcher + in protocol), which avoids calling robots.isAllowed.
> However in practice the robots file is still fetched as there is a call to
> robots.getCrawlDelay() a bit further which is not covered by the if
> (Protocol.CHECK_ROBOTS).
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