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RE: lock held by in-doubt distributed transaction

Powell, Mark D

2005-02-09

Replies:
Is tracking.tracked_lacosa_request a local table or remote? If remote did
you check the dba_pending* views on the remote system. The bug I was
thinking of showed entries in the pending views but your problem does not so
it is likely a different bug.

I checked metalink for the ORA-01591error and got around 47 hits. I glanced
at a few but I did not see a perfect match. I think you will need to open
an iTAR and get help directly from Oracle. Please let the board know how
this is resolved.

HTH -- Mark D Powell --

-----Original Message-----
From: Tony.Adolph@(protected)]
Sent: Wednesday, February 09, 2005 3:37 AM
To: mark.powell@(protected)
Cc: oracle-l@(protected)
Subject: RE: lock held by in-doubt distributed transaction



Hi Mark,

Thanks for the feedback. I tried...

SQL> alter session set "_smu_debug_mode" = 4;

Session altered.

SQL> exec dbms_transaction.purge_lost_db_entry('4.18.4935');
BEGIN dbms_transaction.purge_lost_db_entry('4.18.4935'); END;

*
ERROR at line 1:
ORA-06510: PL/SQL: unhandled user-defined exception
ORA-06512: at "SYS.DBMS_TRANSACTION", line 94
ORA-06512: at line 1

:-(

Tony



"Powell, Mark D" <mark.powell@(protected)>
Sent by: oracle-l-bounce@(protected)


02/08/2005 06:48 PM


Please respond to
mark.powell@(protected)



To
oracle-l@(protected)

cc

Subject
RE: lock held by in-doubt distributed transaction

 




I believe this is a bug. The first solution I saw was support telling
people to convert their systems to using regular rollback segments but I
believe that you can issue ' alter session set "_smu_debug_mode" = 4; ' to
get around the problem. I do not have the bug number so before you alter
your session you may want to check metalink on the hidden parameter.
HTH -- Mark D Powell --


-----Original Message-----
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)
Sent: Tuesday, February 08, 2005 11:55 AM
To: oracle-l@(protected)
Cc: Maxim.Demenko@(protected)
Subject: lock held by in-doubt distributed transaction


Hi folks,
One of our developers has just reported this error after a simple select:

select COUNT(*) FROM tracking.tracked_lacosa_request
                  *
ERROR at line 1:
ORA-01591: lock held by in-doubt distributed transaction 4.18.4935

So I looked for the in doubt transaction as follows:

select * from dba_2pc_neighbors;

and

select * from dba_2pc_pending;

but both returned no rows.

I tried the same query and also get the same error. I bounced the
database (immediate) and still get the error and all the time with the
same transaction id 4.18.4935. I got the developers to bounce their jboss
but no joy.

I tried dbms_transaction.purge_lost_db_entry:

SQL> exec dbms_transaction.purge_lost_db_entry('4.18.4935');
BEGIN dbms_transaction.purge_lost_db_entry('4.18.4935'); END;

*
ERROR at line 1:
ORA-30019: Illegal rollback Segment operation in Automatic Undo mode
ORA-06512: at "SYS.DBMS_TRANSACTION", line 65
ORA-06512: at "SYS.DBMS_TRANSACTION", line 85
ORA-06512: at line 1

Any ideas folks?

Cheers
Tony

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