Informix Error -79704: Can't load driver
Cause and resolution
Can't load driver
Informix JDBC Driver Driver could not create an instance of itself and register it in the DriverManager class. The rest of the SQLException text describes what failed.
Oninit® Troubleshooting Guidance
Reasons / Common Causes
-79704 fires when the Informix JDBC Driver can't create and register an instance of
itself in DriverManager — per the official guidance.
- The driver failing to instantiate and register itself with
java.sql.DriverManager, per the official guidance — the direct, only cause; the rest of theSQLExceptiontext describes the specific failure.
Solutions / Resolution
- Read the rest of the
SQLExceptionmessage text, per the official guidance, for the specific underlying failure, and resolve it.
Examples
N/A
No specific triggering statement is documented beyond a driver load/registration failure.
Diagnostic Checks
- Check the full
SQLExceptiontext for the specific reason the driver couldn't load or register.
Related Errors / Related Topics
- -79705 — "Incorrect URL format." A related connection-setup error, on an invalid database URL rather than the driver failing to load.
The Informix JDBC Driver failed to instantiate/register itself — check the full
SQLException text for the specific cause.