[2.0] Websockets not working with Firefox

[Tom Bocklisch]

Hey,

I am trying to setup a websocket connection. It's working fine in
chrome, but not in firefox. Here is the relevant code:

route.conf:
...
GET /ws controllers.DataWS.data()
...

Javascript:
...
_WebSocket = window['MozWebSocket'] ? MozWebSocket : WebSocket;
this.loadSocket = new _WebSocket("ws://" + document.location.host + "/
ws");
...

As I said in chrome this works just fine, but firefox doesn't open a
connection but shows a 404 error in console for "http://localhost:9000/
ws". Is there any way to get websockets working in firefox?

Best regards,
Tom

[Nicolas Leroux]

Hi,

I will have a look at it tonight as I plan to refactor it to use Netty 3.3 websocket support. Can you try with only the MozWebSocket object in the meantime?

Nicolas

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[Tom Bocklisch]

Yes I have already tried that. You can use the scala websocket-chat example to reproduce the error. You need to change the JavaScript call from WebSocket to MozWebSocket in chatroom.scala.html line 32.

Best regards,

Tom

[Nicolas Leroux]

One last question, which firefox version are you using? I tested with firefox 7 if I recall correctly.

Nicolas

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[Tom Bocklisch]

I have tested it with the 11.0a2 aurora version and the 9 / 10 stable versions.

[Tom Bocklisch]

I have examined it a little more. When opening the websocket chrome sends the following request:

ws://localhost/ws -

Connection:

Upgrade - and the server returns a 101 Switching protocols

but firefox request goes to

http://localhost/ws

- Connection:

Upgrade - and the server returns a 404

I guess the pattern matching of play lacks this "feature" of firefox ( this is NOT connected to the JS I am using. In both cases the WebSocket URL specified in JS is the same ). Could you please fix that?

Regards,

Tom

[Tom Bocklisch]

Hey Nicolas,

I have found the bug. Its more of a Firefox bug then a play one because FF doesn't follow the web socket handshake protocol. Nevertheless I guess the small fix I have suggested in the issue resolves that and should be included.

https://play.lighthouseapp.com/projects/82401/tickets/122-websockets-not-working-with-firefox-version-8-9-10-and-11

Best regards,

Tom

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[Nicolas Leroux]

Thank you very much

Nicolas