EM 13.2 : Agent Unreachable Alerts After OMS Stop Command Executed
(Doc ID 2434567.1)
Last updated on FEBRUARY 13, 2019
Applies to:Enterprise Manager Base Platform - Version 220.127.116.11.0 to 18.104.22.168.0 [Release 13c]
Information in this document applies to any platform.
In Enterprise Manager (EM) Cloud Control, after executing 'emctl stop oms' command as part of maintenance, before the OMS completely went down, the following agent unreachable alerts gets generated:
Agent is unable to communicate with the OMS. (REASON = Agent is Unreachable (REASON : Agent to OMS Communication is broken. unable to connect to http
server at https://<OMS Hostname>:4901/empbs/upload. [peer not authenticated] ).
From the OMS emctl log files the following stack is observed between 00:32 to 00:34:
2018-06-11 00:32:05,708 [main] INFO wls.OMSController main.220 - Executing emctl command : stop
2018-06-11 00:34:57,745 [main] INFO commands.BaseCommand logAndPrint.653 - Oracle Management Server Successfully Stopped
2018-06-11 00:32:03,345 [main] INFO wls.OMSController main.220 - Executing emctl command : stop
2018-06-11 00:33:07,517 [main] INFO commands.BaseCommand logAndPrint.653 - Oracle Management Server is Down
Several alerts with the following message generated between 00:32 to 00:34:
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