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EM13c : Retrieving Components From Coherence Management Node - Failed "DISC_STDERR" is null for metric DiscoverNow on host target (Doc ID 2928974.1)

Last updated on FEBRUARY 19, 2023

Applies to:

Enterprise Manager for Fusion Middleware - Version and later
Information in this document applies to any platform.


Standalone Coherence version is supported from 13.5 OEM with the RU03 Patch

The discovery is failing even customer is on RU03 patch and later.

Error popup shows:

Retrieving Components from Coherence Management Node - Failed

No Targets Discovered by Agent https://<>:<AGENT_PORT>/emd/main/


Filename: <AGENT_INST>/sysman/log/gcagent.log.

2023-01-20 10:43:11,837 [259:FC467641] DEBUG - closing request input stream for "GetMetricDataRequest ( {discCategory=COHERENCE, onDemand=true, pluginId=oracle.sysman.emas, __gcagent__.isOutputSensitive=true, userProps=JMX_HOST,,JMX_PORT,17888,JMX_PROTOCOL,rmi,JMX_SERVICE,jmxrmi,COH_AGNT,https://<>:<AGENT_PORT>/emd/main//,SKIP_CACHE_DISCOVERY,false}, timeout=600)"
2023-01-20 10:43:11,837 [259:FC467641] DEBUG - overriding the buffer with a thread local copy (size: 8192b)
2023-01-20 10:43:11,837 [259:FC467641] INFO - observed collection value for column "DISC_STDERR" is null for metric DiscoverNow on host target; removing





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