WebLogic Server (WLS) Managed Servers Losing Connectivity To Admin Server
(Doc ID 883097.1)
Last updated on JANUARY 30, 2022
Applies to:Oracle WebLogic Server - Version 8.1 and later
Information in this document applies to any platform.
Your managed servers are losing connection with one another and with the cluster in which they belong. The logs indicate that the servers are running correctly, but unicast messages are being lost. When enough unicast messages are lost, the server is removed from the cluster. However, the server is still there, so it is returned to the cluster again after a few seconds or minutes.
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