我正在使用rest-client將POST發送到非常慢的Web服務。我將timeout
設置爲600秒,並且我確認它已被傳遞到Net :: HTTP的@read_timeout
和@open_timeout
。在AWS Linux上增加RestClient/Net :: HTTP中的連接(2)超時
然而,大約兩分鐘後,我得到一個低級別的超時錯誤,Errno::ETIMEDOUT: Connection timed out - connect(2)
:
回溯的相關部分是
Operation timed out - connect(2) for [myhost] port [myport]
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/net/http.rb:879:in `initialize'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/net/http.rb:879:in `open'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/net/http.rb:879:in `block in connect'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/timeout.rb:88:in `block in timeout'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/timeout.rb:98:in `call'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/timeout.rb:98:in `timeout'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/net/http.rb:878:in `connect'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/net/http.rb:863:in `do_start'
/Users/dmoles/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/net/http.rb:852:in `start'
/Users/dmoles/.rvm/gems/ruby-2.2.5/gems/rest-client-2.0.0/lib/restclient/request.rb:766:in `transmit'
/Users/dmoles/.rvm/gems/ruby-2.2.5/gems/rest-client-2.0.0/lib/restclient/request.rb:215:in `execute'
/Users/dmoles/.rvm/gems/ruby-2.2.5/gems/rest-client-2.0.0/lib/restclient/request.rb:52:in `execute'
它看起來像代碼拋出錯誤的行是
TCPSocket.open(conn_address, conn_port, @local_host, @local_port)
它好像底層connect(2)
系統調用有大約兩分鐘超時,而超時參數p因爲Net :: HTTP只能縮短,而不能延長它。有沒有辦法修改套接字參數來設置更長的超時時間?
修改爲添加:這似乎只是我們的AWS Linux服務器上的一個問題 - 在我的MacOS開發機器上,十分鐘的超時工作。我假設MacOS/BSD上默認的connect()
超時時間較長,但我並不知道。