On nodejs, if the WebSocket broker is not running and createWebSocket() is called, the process crashes with a ECONNREFUSED error instead of trying to reconnect. Explicitly handling the error event prevents the crash and allows the close event handler to do it's reconnection magic.
On nodejs, if the WebSocket broker is not running and
createWebSocket()is called, the process crashes with aECONNREFUSEDerror instead of trying to reconnect. Explicitly handling theerrorevent prevents the crash and allows thecloseevent handler to do it's reconnection magic.