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Oracle提示错误消息ORA-28001: the password has expired,
经调查是由于Oracle 11G的新特性所致， Oracle 11G创建用户时缺省密码过期限制是180天， 如果超过180天用户密码未做修改则该用户无法登录。
可通过
SELECT * FROM dba_profiles WHERE profile='DEFAULT' AND resource_name='PASSWORD_LIFE_TIME'
语句查询密码的有效期设置，
LIMIT字段是密码有效天数。在密码将要过期或已经过期时可通过
ALTER USER 用户名 IDENTIFIED BY 密码 ;
语句进行修改密码，密码修改后该用户可正常连接数据库。
长久对应可通过
ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED
语句将口令有效期默认值180天修改成“无限制”。出于数据库安全性考虑，不建议将PASSWORD_LIFE_TIME值设置成UNLIMITED，
建议客户定期修改数据库用户口令。
XY2-100协议解析
1.XY2-100包括四路信号 : SENDCK(时钟信号)、SYNC(同步信号)、CHANNELX(X通道)、CHANNELY(Y通道)
连接oracle报：ora-28001:the password has expired
连接Oracle报：ora-28001错误
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ORA-28001: the password has expired
ORA-28001: the password has expired 错误 Oracle11g的密码过期。 原因：是由于oracle11g中默认在default概要文件中设置了“PASSWORD_LIFE_TIME=180天”所导致 解决办法： 以管理员身份登录：C:\>sqlplus / as sysdba 查看指定概要文件(如default)的密码有...
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写在开头： 此次问题参考了博客：> https://blog.youkuaiyun.com/btt2013/article/details/54862420 ，并且使用了该博客中的三个图片。 项目场景： windows系统上运行tomcat跑的java项目，今天突然报错 the password has expired 问题描述： 只要涉及数据库操作就会报错 Caused by: java.sql.SQLException: ORA-28001: the password has expired 原因分析
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ORA-28001：the password has expired oracle数据库密码过期
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oracle密码过期 ORA-28001解决方案: the password has expired
oracle密码过期 ORA-28001解决方案: the password has expired
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