Websockets returning failed: One or more reserved bits are on: reserved1 = 1, reserved2 = 0, reserved3 = 0

[Chris Rankin]

When trying to make a websocket connection from the browser I get the following error:

failed: One or more reserved bits are on: reserved1 = 1, reserved2 = 0, reserved3 = 0

I also tried via telnet directly to thin here's the output.

GET /api/v1/sockets/echo HTTP/1.1

Host:crankin.xxx.com

Connection: Upgrade

Upgrade: websocket

Sec-WebSocket-Extensions:permessage-deflate; client_max_window_bits, x-webkit-deflate-frame

Sec-WebSocket-Key:jptNAi6PZq4ckiBXNXUm5Q==

Sec-WebSocket-Version:13

HTTP/1.1 101 Switching Protocols

Upgrade: websocket

Connection: Upgrade

Sec-WebSocket-Accept: YKNao2s9zBnMYODP3R4clxzB1xI=

HTTP/1.1 200 OK

Content-Type: text/html

Connection: keep-alive

Server: thin 1.6.1 codename Death Proof

I cannot figure out why a 200 OK is being sent back. I think this is what's causing the problem. 

Any ideas?

[Srinivas Gerendla]

Hi Chris,

I am running into similar issue, did you get any resolution. 

Thanks for your time

[Chris Rankin]

Oh I honestly don’t remember. I’ve CC’d a co-worker who It think ended up being able to resolve this issue.

Chall, do you remember how we got this working?

Chris

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[Chris Hall]

If I remember correctly, the issue was the 200 response that follows the 101.  Our problem was that Cramp was incorrectly handling the Websocket upgrade.  Cramp uses Faye-websocket to handle the upgrade, but was then sending that additional 200 response.

The master branch of Cramp has the fix.

Cheers,

~CHall