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[ASP.NET] MVC cannot connect with websocket error reason!

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Posted on 5/5/2016 3:22:45 PM | | |
WebSocket connection to 'ws://localhost:3558/api/Chat' failed: Error during WebSocket handshake: Unexpected response code: 404

js error!!!!

Front Desk Page:

Background Code:



It stands to reason that it should be right!!!!!!!!

Finally, I found that it was a mistake in setting the Application_Start order in Global.asax, which is really a dog, and the following is the correct order! !







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