ORA-28040: No matching authentication protocol exception
Caused by: java.sql.SQLException: ORA-28040: No matching authentication protocol
Manohar Changed status to publish July 16, 2021
- SQLNET.ALLOWED_LOGON_VERSION_SERVER in sqlnet.ora file to a lower Oracle version like 8 or 9 which are compatible with the client-server authentication when using unsupported JDBC drivers with Oracle DB 12c.
- This parameter specifies the minimum authentication protocol that a client is allowed to use when connecting to Oracle Database instances.
- Upgrade your JDBC driver client to 11g or JDBC 12c.
Manohar Changed status to publish November 13, 2019