Yossi Tamari created NUTCH-2448:
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             Summary: Allow Sending an empty http.agent.version
                 Key: NUTCH-2448
                 URL: https://issues.apache.org/jira/browse/NUTCH-2448
             Project: Nutch
          Issue Type: Bug
          Components: fetcher
    Affects Versions: 1.13
            Reporter: Yossi Tamari
            Priority: Minor


http.agent.version defaults in nutch-default.xml to Nutch-1.14-SNAPSHOT 
(depending on the version of course).
If I want to override it to not send a version as part of the user-agent, there 
is nothing I can do in nutch-site.xml, since putting an empty string there 
causes the default to be taken, and putting any value there causes a slash to 
be appended to the http.agent.name.
As far as I can see, the only way to override it is to remove the value in 
nutch-default.xml, which is probably not the “correct” way, considering it 
contains a comment saying “Do not modify this file directly”.
The suggested solution is to treat a white-space-only value as empty.



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