Broken data stream message is displayed when accessing Supervisor Dashboard

Last Updated : Sep 11, 2025 |
Prolog information

Condition

The following message is displayed when accessing Supervisor Dashboard:
Data stream is broken since websocket is disconnected, new updated data won't be available until data stream is restored.

Cause

The following are the possible causes:
  • A self-signed certificate is used for POM deployment and the browser cannot recognize the self-signed certificate.
  • The Dashboard service is not running on the POM server.
  • The network is not connected.

Solution

  • If a self-signed certificate is used for POM deployment and you are accessing the Supervisor Dashboard for the first time, go to the following URL and accept the certificate in the browser:
    ADDITIONAL INFORMATION:
    https://<IP address or FQDN of POM server>:9097/health
    The default service port is 9097.
  • Ensure the Dashboard service is running on the POM server.
  • Ensure the network is connected.