ORA-28040 Using JDBC 9i for Connection to 12c Database (Doc ID 2111118.1)

Last updated on APRIL 10, 2017

Applies to:

JDBC - Version 9.0.1.0 to 9.2.0.8 [Release 9.0.1 to 9.2]
Information in this document applies to any platform.

Symptoms

After upgrading a database from 11.2.0.3 to 12.1.0.1, JDBC 9i connections fail with ORA-28040: No matching authentication protocol.


ERROR
-----------------------
ORA-28040 No matching authentication protocol


STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Upgrade the database from 11.2.0.3 to 12.1.0.1.
2. Try to establish a connection from the application to the upgraded database using JDBC 9i.

Cause

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