I use:
[header setValue:@"Close" forKey:@"Connection"];
to change the headerField, but it's not working. The header always in Connection:keep-alive, how can I change it?
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Please check: http://stackoverflow.com/questions/4809047/nsurlrequest-setting-the-http-header – May 03 '16 at 09:26
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[request setValue:@"Close" forHTTPHeaderField:@"Connection"]; can,t change the "Connection" field – Liuonion May 03 '16 at 09:35
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The Connection header is normally set automatically by the URL Loading System. The documentation says not to modify it, and there's no guarantee that changing it in a mutable URL request will have any effect. What problem are you actually trying to solve? – dgatwood May 10 '16 at 06:39
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Try issuing the requests in separate session each time. Every session IIRC has a separate connection pool. – dgatwood Feb 02 '17 at 18:25