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[SOLVED] java.lang.UnsupportedOperationException: HTTP upgrade is not supported by this protocol

Error added: 2020-12-28T15:25:07Z

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2 answers found.

Answer 2633 (100.0% helpful)

If you're using Websockets, I couldn't find out a way to proxy them to the AJP/1.3 connector.

I got it working by enabling the HTTP/1.1 connector, and proxying the WS requests to ws://127.0.0.1:8080/whatever
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Answer 2634 (100.0% helpful)

It'd be nice if the exception said which protocol it was
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