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  1. #1
    Join Date
    Feb 2014

    Unanswered: Legacy Applications and Oracle 11g


    We have application on Developer 6i against 10gR2 instance running rather smoothly.

    Setting up a test environment with 11gR2 instance found out that the legacy application (forms 6i) cannot connect to 11g instance.

    Even when we upgraded client to (almost) latest Developer 6i Patchset 18 (I think patchset 19 is actually the latest) same problem.

    Oracle client 8.0.x (where x = 5 or 6) cannot connect to 11g instance!!

    We also found out, even though Oracle doesn't "officialy supports" it, oracle client 8i (8.1.6 or newer), using sqlplus, can connect against 11g instance.

    So, our question is: how can we upgrade or tweak Developer 6i to use Oracle 8.1.6 client instead of 8.0.6 client which is included ?

    Is there any way even "unorthodox" to make our legacy application running against 11g ?

    This is a test/preparation environment to be used for migrating the data to our new application which will replace the old one.

    So substituting dlls and such on the developer 6i (client) side is an option, to make it work...

    Thx in advance

  2. #2
    Join Date
    Aug 2003
    Where the Surf Meets the Turf @Del Mar, CA
    Provided Answers: 1
    You are starting from an unsupported configuration because you chose to not upgrade to higher version of Forms when you started using V10 database.

    We have met the enemy & they is us.

    The first rule regarding holes is below.

    When you find yourself in a hole, the First thing you should do is STOP digging.

    What would be gained by upgrading to V11 database?

    Either live with what you got or upgrade to a supported version of Forms.
    You can lead some folks to knowledge, but you can not make them think.
    The average person thinks he's above average!
    For most folks, they don't know, what they don't know.
    Good judgement comes from experience. Experience comes from bad judgement.

  3. #3
    Join Date
    Jun 2004
    Liverpool, NY USA
    Oracle 11 does not use the same sqlnet version as developer 6. They are not compatible and will never connect.
    You do not need a parachute to skydive. You only need a parachute to skydive twice.

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