This feature enables support for WebSocket applications written to the API for the Jakarta WebSocket 2.1 specification.
If you are updating your application from using the
websocket-2.0 feature to using the
websocket-2.1 feature, changes in API behavior might require you to update your application code. For more information, see Differences between Jakarta WebSocket 2.1 and 2.0.
To enable the Jakarta WebSocket 2.1 feature, add the following element declaration into your
server.xml file, inside the