TNS-12518: TNS:listener could not hand off client connection
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Thread: TNS-12518: TNS:listener could not hand off client connection

  1. #1
    Join Date
    Jul 2000
    Location
    Pune, India
    Posts
    80

    TNS-12518: TNS:listener could not hand off client connection

    Hello,

    RDBMS Version:: 10.2.0.1.0
    Operating System and Version:: Windows 2000 SP4
    Client Operating System and Version:: Windows XP SP2
    Client Net Version:: 8.1.6/8.1.7

    Today we have observed following error.

    30-NOV-2005 17:44:28 * (CONNECT_DATA=(SERVICE_NAME=qo762)(CID=(PROGRAM=D:\ITBMed4\i1W.exe)(HOST=PC-RUPALI-XP)(USER=rupali))) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.83.3.67)(PORT=2180)) * establish * qo762 * 12518
    TNS-12518: TNS:listener could not hand off client connection
    TNS-12560: TNSrotocol adapter error
    TNS-00530: Protocol adapter error
    32-bit Windows Error: 233: Unknown error

    Currently we did set following parameter in listener.ora and restarted listener.

    DIRECT_HANDOFF_TTC_LISTENER=OFF

    But this workaround doesn't work. Can anyone help us please to solve this issue. It's urgent.

    Thanks & Regards,

    Shailesh

  2. #2
    Join Date
    May 2000
    Location
    ATLANTA, GA, USA
    Posts
    3,135
    Why are you still using Client Net Version:: 8.1.6/8.1.7 against 10g?

    Tamil

  3. #3
    Join Date
    Jul 2000
    Location
    Pune, India
    Posts
    80

    8i Clients

    Hi Tamil,

    We never had any issue of using 8i client with higher version database release before. In any environment when one database server is migrated to new version, migrating hundreds/thousands of clients to new release will take some time.

    Do you mean is this the issue?


    Thanks & Regards,

    Shailesh

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