This seems to be a general problem right now. There are several topics describing the same problem, that I have, btw, too. So far no hints or solutions.
2022-10-25 08:49:42.745 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 14:08:47.557 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 14:10:00.077 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 14:10:10.087 [ERROR] [io.openhabcloud.internal.CloudClient] - Error during communication
2022-10-25 14:10:10.125 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 14:10:38.122 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 14:10:48.130 [ERROR] [io.openhabcloud.internal.CloudClient] - Error during communication
2022-10-25 14:10:48.137 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 14:10:50.186 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 14:15:49.633 [WARN ] [okhttp3.OkHttpClient ] - A connection to https://myopenhab.org/ was leaked. Did you forget to close a response body? To see where this was allocated, set the OkHttpClient logger level to FINE: Logger.getLogger(OkHttpClient.class.getName()).setLevel(Level.FINE);
2022-10-25 21:17:54.669 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
2022-10-25 21:19:21.970 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = 59f29f8e-f3a6-4462-ae18-15af65f0971e, base URL = http://localhost:8080)
So last log message in the logs says, I’m connected, myhab.org says, I’m disconnected.
2022-10-30 04:03:29.483 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 04:03:31.638 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:23:02.803 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:23:05.119 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:24:50.366 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:24:52.141 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:25:21.996 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:25:23.272 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:26:18.268 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)
2022-10-30 08:26:19.323 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = b8eb51e4-d882-475d-9411-56faa5482c9c, base URL = http://localhost:8080)