My Oracle Support Banner

EM 13c: Enterprise Manager 13c Cloud Control OMS Leaves Open Sessions with Target Databases (Doc ID 2831213.1)

Last updated on JANUARY 06, 2022

Applies to:

Enterprise Manager for Oracle Database - Version 13.4.1.0.0 and later
Information in this document applies to any platform.

Symptoms

Enterprise Manager (EM) 13.4 Cloud Control is making multiple sys or system connections to a monitored database and leaves them as inactive.  ORA-20 can happen for new connections.  

From V$session, hundreds of sessions like this show as open on the target database:

select username, machine, program, module, status
from v$session
where program='OMS'

USERNAME        MACHINE              PROGRAM    MODULE     STATUS
-----------        -------------------     ------------  --------       ---------
SYSTEM         <OMS_MACHINE>       OMS        OEM           INACTIVE
SYSTEM         <OMS_MACHINE>       OMS        OEM           INACTIVE
SYSTEM         <OMS_MACHINE>       OMS        OEM           INACTIVE
...
...
SYSTEM         <OMS_MACHINE>       OMS       OEM            INACTIVE

 

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.