Home » RDBMS Server » Server Administration » ERROR 476: Instance Shutdown
ERROR 476: Instance Shutdown [message #59714] Thu, 18 December 2003 02:58 Go to next message
Vinny75
Messages: 44
Registered: October 2003
Member
Folks,

My dev instance shutdown automatically due to error 476. I looked up on the error details and found this:

ORA-00476 RECO process terminated with error
Cause: The distributed transaction (two-phase commit) recovery process terminated abnormally.
Action: Restart the instance

Can someone please explain what caused this? After starting the instance, I notice this in the trace file:

SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (1) of rollback segment (9))
ORA-01594: attempt to wrap into rollback segment (9) extent (1) which is being freed

More details on the alert log as follows:

Errors in file /bdump/dev_smon_23740.trc:
ORA-01595: error freeing extent (1) of rollback segment (9))
ORA-01594: attempt to wrap into rollback segment (9) extent (1) which is being freed
Thu Dec 18 07:45:41 2003
DISTRIB TRAN DEV.WORLD.516d23ac.3.8.74999
is local tran 3.8.74999 (hex=03.08.124f7))
delete pending collecting tran, scn=2207516131198 (hex=201.fa36ff7e)

I never encountered this before. Any help appreciated.

Thanks
V
Re: ERROR 476: Instance Shutdown [message #59716 is a reply to message #59714] Thu, 18 December 2003 03:20 Go to previous messageGo to next message
Frank Naude
Messages: 4580
Registered: April 1998
Senior Member
Hi,

You might want to identify the offending transactions in DBA_2PC_PENDING and get rid of them:

SQL> COMMIT FORCE 'rransaction_id';
SQL> ROLLBACK FORCE 'transaction_id';

More info on how to manage Distributed Transactions, see chapter 32 of the "Oracle9i Database Administrator's Guide".

Best regards.

Frank
Re: ERROR 476: Instance Shutdown [message #59720 is a reply to message #59716] Thu, 18 December 2003 04:22 Go to previous messageGo to next message
Vinny75
Messages: 44
Registered: October 2003
Member
Thanks. I checked the view and there are no pending transactions currently. Is it possible that when I restarted the instance, it got cleared out?
Re: ERROR 476: Instance Shutdown [message #59728 is a reply to message #59720] Thu, 18 December 2003 10:50 Go to previous messageGo to next message
Frank Naude
Messages: 4580
Registered: April 1998
Senior Member
I guess so.

BTW, what version of Oracle do you use? I can still vaguely remember such problems in Oracle7, none after that...

Regards.

Frank
Re: ERROR 476: Instance Shutdown [message #59737 is a reply to message #59728] Fri, 19 December 2003 04:27 Go to previous message
Vinny75
Messages: 44
Registered: October 2003
Member
Frank

I am running Oracle 8.0.5 and I soon plan on moving to 9i.
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