Exception: Aurora assertion failure: Assertion failure at eox.c:232

Hi,
two days back i have created stored procedure. it was working fine.
today i tried to run it i got the following exception.
"ORA-29516: Aurora assertion failure: Assertion failure at eox.c:232
Uncaught exception Root of all Java exceptions: java.lang.NullPointerException"
i tried to rebuild the java stored procedure but i got the same exception.
can you please tell me the cause for this problem.
thanks
vali

Uraigli,
Please provide the following info :
Database Version :
Operating System :
Regards
Pushkala

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    Cannot install or uninstall a programCannot install or uninstall a program
    Looks for problems that can stop you installing and uninstalling a
    programFixed
    Uninstall and cleanup? Adobe Reader 9.1.3Succeeded
    Issues checked
    Corrupt Patch Registry keysCorrupt Patch Registry keys
    Detects corrupt or missing patch cacheChecked
    Problem registry keyProblem registry key
    Detects problems with the registry (Wow64 issue)Checked
    Issues foundDetection details
    6Cannot install or uninstall a programFixed
    Looks for problems that can stop you installing and uninstalling a program
    Uninstall and cleanup? Adobe Reader 9.1.3Succeeded
    Looks for problems that can stop you installing and uninstalling a
    program
    Issues checkedDetection details
    6Corrupt Patch Registry keysChecked
    Detects corrupt or missing patch cache
    Fixing patch registry problemsNot Run
    Detected patch registry problems
    6Problem registry keyChecked
    Detects problems with the registry (Wow64 issue)
    Fixing the problem registry key (Wow64 issue)Not Run
    Finding and removing the problem registry key (Wow64 issue)
    Detection details
    Collection information
    Computer Name: AN
    Windows Version:5.1
    Architecture:x86
    Time:10/12/2011 10:19:52 AM
    Publisher details
    Program Install and Uninstall troubleshooter
    Looks for problems that can stop you installing and uninstalling a program
    Package Version:1.2
    Publisher:Microsoft Corporation

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