Redirection of robots.txt in RobotRulesParser
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Key: NUTCH-731
URL: https://issues.apache.org/jira/browse/NUTCH-731
Project: Nutch
Issue Type: Improvement
Components: fetcher
Affects Versions: 1.0.0
Reporter: Julien Nioche
The patch attached allows to follow one level of redirection for robots.txt
files. A similar issue was mentioned in NUTCH-124 and has been marked as fixed
a long time ago but the problem remained, at least when using Fetcher2 .
Mathijs Homminga pointed to the problem in a mail to the nutch-dev list in
March.
I have been using this patch for a while now on a large cluster and noticed
that the ratio of robots_denied per fetchlist went up, meaning that at least we
are now getting restrictions we would not have had before (and getting less
complaints from webmasters at the same time)
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