ORA-01801 date format too long .... ?

Hi,

I run an client\server application called PVCS. The server is an NT server running an Oracle 8.7.1 runtime database. The clients connect to this via a GUI (Oracle Forms).
Occassionally (every 3 months or so) they get the following error message:

1019-DBIO: ORACLE Error occurred
SQL-0438(00EAF460)ORA-01801: date format is too long for internal buffer.

The only way to solve this is to re-boot the client PC.
I know what the Oracle docs say the error is about, but was wondering if anybody explain it a bit more, especially why re-booting seems the only solution. Is the application wrong, or prehaps the OS, or even the machine heap. I am guessing here - any help would be appreciated.

Thanks

Alistair

A good guess\solution gets points.
Alistair_WilliamsAsked:
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saxena_mohitCommented:
Generally this error occurs when you have some really long literals in date field. Try looking at the code and your client machine setting may be its converting the date field value.  I am not sure but I remember there was some oracle bug also related to this problem. Go to metelink and see if you can find some info.
Error goes away aftet rebooting because you clear the cache and that eliminates the problem.
-Mohit
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Alistair_WilliamsAuthor Commented:
Thanks for your help
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