I had these crop in the in logs yesterday after a "unhealthy" web socket connection:
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 06:42:32.175 pm [debug](http://ha-hubitat-home.vargofamily.com/device/edit/654){"summary":{"pressure_trend":"steady","strike_count_1h":0,"strike_count_3h":0,"precip_total_1h":0.0,"strike_last_dist":20,"strike_last_epoch":1596419198,"precip_accum_local_yesterday":0.04638,"precip_accum_local_yesterday_final":0.0,"precip_analysis_type_yesterday":1,"feels_like":27.4,"heat_index":27.4,"wind_chill":27.0},"serial_number":"ST-00006682","hub_sn":"HB-00017489","type":"obs_st","source":"mqtt","obs":[[1596843738,0.09,1.57,2.72,318,3,null,27.1,50,18313,1.12,153,0.0,0,0,0,2.78,1,0.0,null,null,0]],"device_id":74597,"firmware_revision":134}
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 06:42:32.155 pm [error](http://ha-hubitat-home.vargofamily.com/device/edit/654)Failed to parse json e = groovy.lang.GroovyRuntimeException: Ambiguous method overloading for method java.math.BigDecimal#div. Cannot resolve which method to invoke for [null] due to overlapping prototypes between: [class java.lang.Character] [class java.lang.Number]
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 03:42:10.559 pm [info](http://ha-hubitat-home.vargofamily.com/device/edit/654)Sent list_start for 74597
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 03:42:10.521 pm [info](http://ha-hubitat-home.vargofamily.com/device/edit/654)webSocket is open [dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 03:42:09.078 pm [info](http://ha-hubitat-home.vargofamily.com/device/edit/654)initialize()
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 03:42:07.058 pm [info](http://ha-hubitat-home.vargofamily.com/device/edit/654)Reconnecting WebSocket in 2 seconds.
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 03:42:07.051 pm [warn](http://ha-hubitat-home.vargofamily.com/device/edit/654)healthCheck: not healthy
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 03:39:01.771 pm [warn](http://ha-hubitat-home.vargofamily.com/device/edit/654)Unhandled event: [status_code:5, status_message:AUTHORIZATION_REQUIRED - Rate limit exceed or your API Key or Oauth2 Access Token missing]
[dev:654](http://ha-hubitat-home.vargofamily.com/logs/past#dev654)2020-08-07 03:39:01.760 pm [warn](http://ha-hubitat-home.vargofamily.com/device/edit/654)webSocket connection closing.
Seems like a Java exception was thrown on the response. Also this is the first time I have seen the rate limit.