Enterprise Manager DST Problem

Purpose

OEM agent suddently not running for daylight saving time changes.


Problem:

$ ./emctl start agent

Oracle Enterprise Manager 10g Release 10.2.0.1.0.

Copyright (c) 1996, 2005 Oracle Corporation. All rights reserved.

Starting agent ..... failed.

The agentTZRegion value in /oracle/app/em/agent10g/sysman/config/emd.properties is not in agreement with what agent thinks it should be.Please verify your environment to make sure that TZ setting has not changed since the last start of the agent.

If you modified the timezone setting in the environment, please stop the agent and exectute 'emctl resetTZ agent' and also execute the script mgmt_target.set_agent_tzrgn(, ) to get the value propagated to repository.

Consult the log files in: /oracle/app/em/agent10g/sysman/log


Solutions:

Download the Patch 5632264 for the latest version for your platform, DO NOT APPLY IT with opatch but:

Manually replace the oracore [/zoneinfo/timez*.dat] files in the Central Agent ORACLE_HOME:
Agent ORACLE_HOME

- backup the initial oracore files $ORACLE_HOME/oracore/[/zoneinfo/timez*.dat]

- replace the oracore [/zoneinfo/timez*.dat] files in the Central Agent ORACLE_HOME with the oracore [/zoneinfo/timez*.dat] files extracted from the patch


- ./emctl resetTZ agent

Oracle Enterprise Manager 10g Release 10.2.0.1.0.
Copyright (c) 1996, 2005 Oracle Corporation. All rights reserved.
Updating /oracle/oracle/agent10g/sysman/config/emd.properties...
Successfully updated /oracle/oracle/agent10g/sysman/config/emd.properties.
Login as the em repository user and run the script:
exec mgmt_target.set_agent_tzrgn('oradiscprod.amestruetemper.com:3872','US/Eastern')
This can be done for example by logging into sqlplus and doing
SQL> exec mgmt_target.set_agent_tzrgn('oradiscprod.amestruetemper.com:3872','US/Eastern')

- start the Central Agent

./emctl start agent
./emctl status agent


Reference:
Enterprise Manager DST Quick Fix Guide: 418792.1

3 comments:

kamel220371 said...

Hello.
we have a problem of our OEM.
we can't login in OEM, however the agent is started normaly.
and when we try to login shown this message
"java.lang.Exception: Exception in sending Request :: null"
we need help for you
cordialement.

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