Node Manager Hangs When a Managed Server is Hanging or Not Responding
(Doc ID 1462583.1)
Last updated on MARCH 12, 2021
Applies to:Oracle WebLogic Server - Version 10.3 and later
Information in this document applies to any platform.
Node manager(NM) hangs when a managed server is hanging or not responding. No other managed servers can be administered (started or stopped) whilst this is happening.
If you attempt to restart Node Manager it does not startup.
NM will wait forever on canPingServer()
A Thread dump of node manager when it is not responding shows the following :
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