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> Oracle Enterprise Manager - Timezone mismatch
post Oct 31 2008, 12:31 PM
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I installed Oracle 10.2 on Redhat Linux and the database can be queried through sqlplus with no problem.
However, when I start the Enterprise Manage Database Control I get the following Timezone mismatch error.
My TZ environment value is set to US/Eastern, which also equals the agentTZRegion value of US/Eastern.
Can anyone help? Thanks.

Here is the listing from my console:

[oracle@haran emd]$ emctl start dbconsole
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release
Copyright © 1996, 2005 Oracle Corporation. All rights reserved.

Timezone mismatch: The agentTZRegion value (US/Eastern) in
does not match the current environment TZ setting(US/Eastern).
The dbconsole cannot run with this mismatch.

If US/Eastern is the correct timezone, set your timezone environment variable to US/Eastern and repeat the 'emctl start dbconsole' operation.

If US/Eastern is not the correct timezone, make sure that the timezone in your environment is correct, and then run the following command in your local Oracle Home: 'emctl resetTZ agent'

The output of this command will include detailed instructions to follow, to correct the mismatch.

[oracle@haran emd]$ echo $TZ
[oracle@haran emd]$
[oracle@haran emd]$
[oracle@haran emd]$ tail -20 /u01/app/oracle/product/10.2.0/db_1/haran.seagull.org_seagull/sysman/config/emd.properties

# The following three properties are for HTTP timeout
# Timeout value for reading Http primary header, default is 30 seconds.

# Timeout value for reading http secondary headers, default is 30 seconds

# Timeout value for reading http body, default is 60 seconds.
[oracle@haran emd]$

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andrew kerber
post Oct 31 2008, 02:53 PM
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I ran into this on my home cluster. I think, but have not been able to verify, that it has to do with the latest DST patch for the OS and/or Oracle, and the fact that we are between the normal date for going off DST and the date that was implemented most recently by congress. I suspect that there is some sort of mismatch there.
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post Oct 31 2008, 03:12 PM
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Like Andy sez, apply the DST patch first. Please check the metalink note 413327.1.

Also, try unseting the TZ environment variable and the dbconsole may start:

root$ unset TZ
root$ echo $TZ

Hope this helps . . .

Donald K. Burleson
Oracle Press author
Author of Oracle Tuning: The Definitive Reference
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