Oracle 数据库连接异常 ORA-28000: the account is locked

异常

Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: ORA-28000: the account is locked

原因

尝试多次登录不成功，后被系统锁定。

解决

连接sysdba

connect as sysdba;

解锁用户

alter user username account unlock;

更改登录失败尝试次数

登录失败尝试次数更改为1000次，1000次后锁定账户。

alter profile DEFAULT limit FAILED_LOGIN_ATTEMPTS 1000;

更改登录失败尝试不限制次数

alter profile default limit failed_login_attempts unlimited;

查看登录失败尝试次数

select * from dba_profiles where RESOURCE_NAME='FAILED_LOGIN_ATTEMPTS';