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Oracle 创建dblink 报错:ORA-01017、ORA-02063

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2016-06-07 17:25:481124browse

根据ORA-01017的提示是连接到另一方的用户密码错误,于是直接使用配置的用户密码(lsxy/lsxy)登录数据库发现正常登录,进一步的

一、创建dblink 原始语句:

create public database link db_lsxy

connect to lsxy  identified by lsxy
using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.xxx.xxx.xxx)(PORT = 2261)))(CONNECT_DATA = (SERVICE_NAME = serName)))';

注意:这里用户密码都是小写的。

二、创建dblink 后使用时提示如下错误:

ORA-01017: invalid username/password; logon denied
ORA-02063: preceding line from

三、问题分析:

        根据ORA-01017的提示是连接到另一方的用户密码错误,于是直接使用配置的用户密码(lsxy/lsxy)登录数据库发现正常登录,进一步的查看建立好后的dblink 语句,其中用户名都转化为了大写,由此猜测密码是否也被转化为了大写从而导致密码错误。

        根据猜测百度了下,确实有这种情况。当9i或10g的版本的Oracle数据库连接11g的版本时,会自动将密码转化为大写。

四、解决办法:
  (方法1、如果11g的数据库用户的密码是小写字母,将其改成大写,然后再去用9i去连接,这个方法太过粗鄙影响也比较大不考虑使用。
  (方法2、将密码用双引号引起来。如 identified by “jxunicom_sale”

采用方法2,我们将dblink 的创建语句稍微改写即可,,如下:

create public database link DB_LSXY

connect to lsxy  identified by “lsxy”
using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.xxx.xxx.xxx)(PORT = 2261)))(CONNECT_DATA = (SERVICE_NAME = serName)))';

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