Websocket can be used in a servlet, why always error 404 - if you can not find the file

CodePudding user response:

Although I don't quite understand what exactly do you do, but from your description, it's a little for granted... The agreement is different

CodePudding user response:

reference 1st floor maradona1984 response:

although I don't quite understand what exactly do you do, but from your description, it's a little for granted... A different protocol

has solved has nothing to do with agreement is I silly force in the browser to open the websocket file error, of course