Oracle connectivity issue after migration

Dears,
We have oracle database 11.2.0.2 in AIX machine. We took data pump export and imported in Linux machine and DB works fine .There is another server having application server forms 10g. the application works fine with DB in AIX. But if we change tns entry in application server to linux machine, the login page appears with 2 scenarios.
1. If tried with correct username and password , it throws ORA 03113 and ORA 03114
2. If tried with wrong username , its showing 'incorrect username or password' message?
Am not sure if am posting in correct place, but need your help.

29ad939b-bcd1-4e67-983f-179a8c403333 wrote:
but how the application still works well with DB in AIX ? The DB in Linux is just a full import of DB in AIX machine.
different versions have different bugs
ORA-00600/ORA-07445/ORA-03113 = Oracle bug => search on Metalink and/or call Oracle support

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    This seems to be due to the fact that originally the fonts were sized as (-3, -2, -1, 0, +1, +2, +3)
    relative sizing. This has been screwed up during migration and has ended up as fonts
    being sized 1, 2, 3 points in size.
    I will have to visit each form and report and set sizes accordingly.
    The PEOPLE_APP application supplied by Oracle also suffers from this problem and is a little harder
    to fix. (Check Metalink)
    ISSUE 3 - Menu permissions
    I have a couple of menus that are only viewable by certain groups.
    This permission disappeared along the way leaving the menu NOT visible to anyone.
    I will have to visited each menu and set permissions once again.
    I hope this list may help others embarking on the same migration path.
    I would highly recommend copying your production environment and practising on the copy first.
    Regards,
    Tony Cook
    eSign Australia
    [email protected]

    Further to the performance problem above, I found the following bug on Metalink:
    Bug Number: 2391402
    PERFOMANCE DEGRADATION WITH 3.0.9.8.3 ON IE
    Funnily enough, this bug was meant to be addressed by the 3.0.9.8.3A patch that I had already applied.
    After reading the bug report I added the following line to httpd.conf
    BrowserMatch "MSIE" nokeepalive downgrade-1.0 force-response-1.0
    I am now seeing the following timings
    Log in          3     3
    Navigator     3     3 !!!!!!!!
    Homepage     3     3 !!!!!!!!
    First tab     3     3
    Second tab     3     3
    Logout          1     1
    There is a 15 second timeout that was adding to the response times I was seeing prior
    to making the change to the httpd.conf file eg. 19 seconds down to 3ish
    Regards,
    Tony Cook
    eSign Australia
    [email protected]

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