関連ワード:  websocket error codes 1006    websocket close code 1006    websocket error with code 1006 citrix    websocket connection error code 1006    websocket error event code 1006 reason    websocket close event code 1006    invalid websocket close code 1006    websocket connection close code 1006    websocket close status code 1006    error websocket closed code 1006 reason