Leif Hedstrom created TS-3998:
---------------------------------

             Summary: Disable h2c upgrades (for now)
                 Key: TS-3998
                 URL: https://issues.apache.org/jira/browse/TS-3998
             Project: Traffic Server
          Issue Type: Bug
          Components: HTTP/2
            Reporter: Leif Hedstrom
            Assignee: Ryo Okubo
             Fix For: 6.1.0


I see

{code}
loki (09:37) 259/0 $ nghttp -v -u http://docs.trafficserver.apache.org
[  0.031] Connected
[  0.031] HTTP Upgrade request
GET / HTTP/1.1
Host: docs.trafficserver.apache.org
Connection: Upgrade, HTTP2-Settings
Upgrade: h2c-14
HTTP2-Settings: AAMAAABkAAQAAP__
Accept: */*
User-Agent: nghttp2/0.7.4-DEV


[  0.066] HTTP Upgrade response
HTTP/1.1 101 Switching Protocols
Date: Sun, 05 Apr 2015 15:37:58 GMT
Connection: Upgrade
Via: http/1.1 ATS (ApacheTrafficServer/5.3.0 [c s f ])
Server: ATS/5.3.0
Upgrade: h2c-14


[  0.066] HTTP Upgrade success
[  0.066] recv SETTINGS frame <length=36, flags=0x00, stream_id=0>
          (niv=6)
          [SETTINGS_HEADER_TABLE_SIZE(0x01):4096]
          [SETTINGS_ENABLE_PUSH(0x02):0]
          [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):66]
          [SETTINGS_INITIAL_WINDOW_SIZE(0x04):123456]
          [SETTINGS_MAX_FRAME_SIZE(0x05):16384]
          [SETTINGS_MAX_HEADER_LIST_SIZE(0x06):4294967295]
[  0.066] send SETTINGS frame <length=12, flags=0x00, stream_id=0>
          (niv=2)
          [SETTINGS_MAX_CONCURRENT_STREAMS(0x03):100]
          [SETTINGS_INITIAL_WINDOW_SIZE(0x04):65535]
[  0.066] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; ACK
          (niv=0)
[  0.097] recv SETTINGS frame <length=0, flags=0x01, stream_id=0>
          ; ACK
          (niv=0)
{code}

And then it hangs.



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