The WsWsocServerContainer.doUpgrade method is deprecated

The com.ibm.websphere.wsoc.WsWsocServerContainer.doUpgrade(HttpServletRequest, HttpServletResponse, ServerEndpointConfig, java.util.Map<String,​String>) method is deprecated. It is replaced by the new Jakarta WebSocket 2.1 specification jakarta.websocket.server.ServerContainer.upgradeHttpToWebSocket( Object, Object, ServerEndpointConfig, java.util.Map<String,​String>) method.

For more Jakarta 10 migration information, see Differences between Jakarta WebSocket 2.1 and 2.0.

Also, see the WsWsocServerContainer Javadoc and Jakarta WebSocket 2.1 Javadoc.