What does this means? The WebSocket handshake succeeded - Atmosphere/atmosphere GitHub Wiki

When using WebSocket and Jersey, you may see the following warning in the log:

The WebSocket handshake succeeded but the dispatched URI failed Method Not Allowed:405. 
The WebSocket connection is still open and client can continue sending messages.

That means the WebSocket has successfully connected to Atmosphere and the original request dispatched to the Jersey Resource, but the Jersey resource doesn't defined a @Path that match the WebSocket's URI.

The WebSocket can still be used and it is fully functional.