Oracle database user lock and unlock, how to set the maximum number of failed passwords for user lock, ORA-28000: the account is locked problem solution

The user will be locked if he enters the wrong password for multiple times and reaches a certain value.

-- 用户锁定方法
alter user 数据库名 account lock;
-- 用户解锁方法
alter user 数据库名 account unlock;

The following error will be reported when connecting to the database when locked.

An error occurred while establishing the connection:

Long Message:
ORA-28000: the account is locked

Details:
   Type: java.sql.SQLException
   Error Code: 28000
   SQL State: 99999

View the maximum number of incorrect passwords for locked users.

select * from dba_profiles where resource_name = 'FAILED_LOGIN_ATTEMPTS';

The method of changing the maximum number of failed passwords.

-- 设置最大失败次数
alter profile default limit FAILED_LOGIN_ATTEMPTS 30;
-- 设置无限失败次数
alter profile default limit FAILED_LOGIN_ATTEMPTS unlimited;

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