We are running Pro*C (2.2) program from application server (Windows NT 4.0). The database is 7.3..4 (different server).
The connection to database itself is failing (EXEC SQL CONNECT .. statement) with the following error.
ORA-01041 : Internal Error. Hostdef does not exist.
Cause The pointer to the HOSTDEF extension in HOSTDEF is null.
Action Report as a bug to customer support.
Note: The database configuration is OK. We are able to connect from SQL*Plus.
Please help me. This is very urgent.
Try loggin to SQL*Plus first. If it does not work you would better call Oracle Support.
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