websocket疑问

### Steps to reproduce (if applicable)

一个服务是否可以即支持websocket，又支持http呢？比如根据配置websocketEnabled=true，启用websocket之后，如果定义了http的接口，会提示"Connection" header must be "Upgrade".

### What have you tried so far?

_No response_

### Additional context

_No response_

Start by reproducing the websocketEnabled=true configuration with both a websocket connection and an HTTP endpoint, using the error quoted in the issue as the initial symptom. The issue names no files, tests, or entry points, so first locate the websocket and HTTP protocol handling; done means establishing whether both protocols are supported and documenting or fixing the conflicting behavior.

Written by the indexing model from the issue text.