Oracle Enterprise Manager 13c Emctl Start Oms Failed. Node Manager Could Not Be Started
(Doc ID 2526340.1)
Last updated on AUGUST 27, 2021
Applies to:Enterprise Manager Base Platform - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
Enterprise Manager (EM) 13.2.2 Cloud Control
The EM 13.2.2 OMS does not start, providing this message:
Node Manager Could Not Be Started
Check Node Manager log file for details: <OMS Instance Base>/gc_inst/user_projects/domains/GCDomain/nodemanager/nodemanager.log
Oracle Management Server is Down
The <OMS Instance Base>/gc_inst/em/EMGC_OMS1/sysman/log/emctl.log shows:
2019-03-27 11:12:00,460 [Thread-1] INFO commands.BaseCommand run.605 - <OUT>Node Manager is not up, sleeping for five seconds...
2019-03-27 11:12:01,790 [Thread-1] INFO commands.BaseCommand run.605 - <OUT>NMProcess: Mar 27, 2019 11:12:01 AM weblogic.nodemanager.server.NMServer main
2019-03-27 11:12:01,791 [Thread-1] INFO commands.BaseCommand run.605 - <OUT>NMProcess: SEVERE: Fatal error in NodeManager server: Could not obtain exclusive lock with lockFile '<PATH>/gc_inst/user_projects/domains/GCDomain/nodemanager/nodemanager.process.lck'. This most likely indicates another NodeManager process is already running in this NodeManaagerHome.
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