From: naruse@...
Date: 2015-12-18T03:50:13+00:00
Subject: [ruby-core:72236] [Ruby trunk - Bug #11671] [Closed] Net::HTTP uses closed keep-alive connection, causing EOFError

Issue #11671 has been updated by Yui NARUSE.

Status changed from Open to Closed

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Bug #11671: Net::HTTP uses closed keep-alive connection, causing EOFError
https://bugs.ruby-lang.org/issues/11671#change-55644

* Author: Kristian Hanekamp
* Status: Closed
* Priority: Normal
* Assignee: Yui NARUSE
* ruby -v: trunk
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
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Most HTTP servers close idle keep-alive connections after a timeout. For the client, this leads to the TCP socket reaching End-Of-File (EOF). Currently, `Net::HTTP` does not check for EOF  before reusing a keep-alive connection, causing an `EOFError`.

For idempotent requests (for example GET), this does not do much harm, since Net::HTTP simply retries the request. But this does not work for requests that aren't idempotent like POST, so `HTTP#post` will raise an unnecessary `EOFError`.

My suggestion is to check for EOF before reusing a keep-alive connection. 

I've prepared a Github PR for this: https://github.com/ruby/ruby/pull/1089




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