v2.4.0 -- when client connet, the server response: Error during WebSocket handshake: Unexpected response code: 400 #3739
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In Docker run |
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Answered by
darrachequesne
Jan 5, 2021
Replies: 1 comment 1 reply
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Hi! Are you using CORS in your application? Did you check the release notes? https://github.com/socketio/socket.io/releases/tag/2.4.0 |
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1 reply
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thx, I have resolved this |
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Answer selected by
Jason-oo
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Hi! Are you using CORS in your application? Did you check the release notes? https://github.com/socketio/socket.io/releases/tag/2.4.0