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Websocket In Firefox Establish Two Connection

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I'm coding a WebSocket server in Java. When I use WebSocket to connect to the server in firefox, I found two connection were established, and one of them never send any data... My

Solution 1:

This is a problem in Firefox 15 that is/will be fixed in firefox 16: https://bugzilla.mozilla.org/show_bug.cgi?id=789018

Firefox 15 is doing a speculative connect which is fine with HTTP/SPDY but because the WebSocket handshake is HTTP 1.0 (rather than 1.1) it is not able to re-use the speculative connection and has to make a second connection.

It's not a critical issue if your server is properly multithreaded and can accept multiple connections but it is annoying.

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