故障现象
Oracle Database 11g 数据库普通用户登录时提示 ORA-28002: the password will expire within 7 days
[11:01:00oracle@dvd db_1]$sqlplus wang/oracle
SQL*Plus: Release 11.2.0.1.0 Production on Fri Nov 16 11:01:23 2012
Copyright (c) 1982, 2009, Oracle. All rights reserved.
ERROR:
ORA-28002: the password will expire within 7 days
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the OLAP and Data Mining options
wang@SUN>

故障原因
Oracle 11G 普通用户有个180天的缺省密码周期，当快过期的时候即会出现此提示；

解决办法
查看当前用户对应profile、对应密码周期
select * from dba_profiles where profile='DEFAULT' AND resource_name='PASSWORD_LIFE_TIME';
alter profile default limit password_life_time unlimited;
SELECT username,PROFILE FROM dba_users where username like upper('&USER');
sys@SUN> SELECT username,PROFILE FROM dba_users where username like upper('&USER');
Enter value for user: wang
old 1: SELECT username,PROFILE FROM dba_users where username like upper('&USER')
new 1: SELECT username,PROFILE FROM dba_users where username like upper('wang')
USERNAME PROFILE
------------------------------ ------------------------------
WANG DEFAULT
--查询到该用户对应的Profile文件为 DEFAULT
sys@SUN> set lines 222
sys@SUN> col PROFILE for a20
sys@SUN> col RESOURCE_NAME for a20
sys@SUN> col RESOURCE_TYPE for a20
sys@SUN> col LIMIT for a20
sys@SUN> select * from dba_profiles where profile='DEFAULT' AND resource_name='PASSWORD_LIFE_TIME';
PROFILE RESOURCE_NAME RESOURCE_TYPE LIMIT
-------------------- -------------------- -------------------- --------------------
DEFAULT PASSWORD_LIFE_TIME PASSWORD 180
--查询到该profile对应的密码生命周期配置为180天
修改当前用户对应profile对应对应密码周期
sys@SUN> alter profile default limit password_life_time 365;
Profile altered.
--修改该profile对应的密码生命周期配置为365天
sys@SUN> alter profile default limit password_life_time unlimited;
Profile altered.
--修改该profile对应的密码生命周期配置为 无限制