The reason the Oracle user unlocked the lock after unlocking it ____oracle

There is a database on the server that prompts user to be locked when using df6100i/wisdom.df6100@energydb login, executing

Alter user df6100i account unlock;

command, the account unlock, you can log in, but the next day or prompts the user to be locked;

Reason:

According to the database security configuration, need to do the relevant security reinforcement work. To confirm the security of the database, however, sometimes, improper operation or database business account changes password, and the program's connection to the database configuration encapsulated in the jar, if the jar of the connection database configuration information does not make the corresponding changes. will have serious consequences for this business account in the database.

Simply put, the account has been logged in with the wrong password, causing Oracle to lock the account.