How to Fix ORA-01017: Invalid Username/Password Logon Denied in Oracle Database
The ORA-01017 error, indicating an invalid username or password, is a common issue encountered when attempting to connect to an Oracle database.
How to Fix ORA-28040: No Matching Authentication Protocol in Oracle
The error message ORA-28040: No matching authentication protocol is a common issue. You might see it when your apps try to connect to an Oracle database, especially Oracle 12c and newer.