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Thread: ORA-01591: lock held by in-doubt distributed transaction

  1. 10-20-2009, 08:32 AM #1
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    vnktummala
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    ORA-01591: lock held by in-doubt distributed transaction

    Hi All,

    Got a mail from one of the developers that he is getting "ORA-01591: lock held by in-doubt distributed transaction 10.45.34659" error.

    The query he is running is just a simple update query connecting directly to the schema.

    update set =3134 where =1020 I have verified in dba_2pc_pending view and force rollback the transaction with the above ID and the issue is resolved.

    I am trying to understand why the simple update query is showing in distributed transactions? Appreciate your inputs.

    Thanks,
    Last edited by vnktummala; 10-20-2009 at 08:43 AM.
    Vijay Tummala

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  2. 10-20-2009, 08:42 AM #2
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    vnktummala
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    I am sorry, looks like some thing mess-up with my post. Please don't mind.

    Thanks,
    Vijay Tummala

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  3. 10-20-2009, 08:46 AM #3
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    PAVB
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    ORA-01501 tells affected query found a locked resource - in this case I assume the updated table. Resource was locked by a dead distributed transaction.

    The simple "update" query did not cause the distributed transaction issue - it just happened to bump into a locked table.
    Last edited by PAVB; 10-20-2009 at 08:50 AM.
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  4. 10-20-2009, 08:58 AM #4
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    vnktummala
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    Thanks PAVB.

    Yes, I see some transactions in dba_2pc_table and rolled back those transactions to release the lock. I am trying to find from which dblink / machine those transactions are distributing. If you have some thing on your finger tips please share.

    Thanks,
    Vijay Tummala

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