问题描述

An error occurred while establishing the connection: 
Long Message: 登录失败次数超过限制 
Details: Type: java.sql.SQLException Error Code: -2508 SQL State: 22001

分析过程

查看失败限制次数、失败尝试次数和锁定时间

--达梦数据库用户登录限制查询
select 
b.username as "达梦数据库用户名",
a.failed_num as "失败次数限制",
a.failed_attemps as "失败尝试次数",
a.lock_time as "锁定时间(min)" 
from sysusers a right join all_users b on a.id=b.user_id;

达梦数据库用户锁定状态查询

-- 达梦数据库用户锁定状态查询
select 
username as "达梦数据库用户名", 
account_status as "账户状态",
lock_date as "锁定时间" 
from dba_users;

解决办法

解锁并设置属性最后初始化密码

账户解锁

alter user TOPICPSP account unlock;

查看失败限制次数、失败尝试次数和锁定时间

select 
b.username as "达梦数据库用户名",
a.failed_num as "失败次数限制",
a.failed_attemps as "失败尝试次数",
a.lock_time as "锁定时间(min)" 
from sysusers a right join all_users b on a.id=b.user_id;

达梦数据库用户锁定状态查询

select 
username as "达梦数据库用户名", 
account_status as "账户状态",
lock_date as "锁定时间" 
from dba_users;

取消用户的资源限制(可选)

如果现场情况允许，可以进行取消用户的资源限制

alter user "TOPICPSP" limit  failed_login_attemps unlimited, password_lock_time unlimited, password_grace_time unlimited;

参数说明

FAILED_LOGIN_ATTEMPTS：将引起一个账户被锁定的连续注册失败的次数 最大值100 最小值1 缺省3(系统预设管理员用户默认无限制)

PASSWORD_LOCK_TIME：如果超过 FAILED_LOGIN_ATTEMPTS 设置值，一个账户将被锁定的分钟数 最大值1440（1 天） 最小值1 缺省值1(系统预设管理员用户默认无限制)

参考链接：https://cloud.tencent.com/developer/article/1908638