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首页 / 数据库 / MySQL / Oracle客户端简易连接报错ORA-12154,TNS-03505

环境:
服务端:RHEL6.5 + Oracle Server 11.2.0.4
客户端:Win2003 + Oracle Client 10.2.0.1
1.问题现象2.Troubleshooting3.解决问题1. 问题现象服务端安装好Oracle数据库,测试正常。
但在用户的客户端测试连接时,报错ORA-12154,TNS-03505sqlplus system/oracle@192.168.10.10/xxsid
C:Documents and SettingsAdministrator>sqlplus system/oracle@192.168.10.10/xxsidSQL*Plus: Release 10.2.0.1.0 - Production on 星期四 7月 16 16:53:58 2015Copyright (c) 1982, 2005, Oracle.  All rights reserved.ERROR:
ORA-12154: TNS: 无法解析指定的连接标识符请输入用户名:2. Troubleshootingtnsping测试:
C:Documents and SettingsAdministrator>tnsping 192.168.10.10TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 16-7月 -
2015 16:53:00Copyright (c) 1997, 2005, Oracle.  All rights reserved.已使用的参数文件:
D:oracle32product10.2.0client_1 etworkadminsqlnet.oraTNS-03505: 无法解析名称查看已使用的参数文件sqlnet.ora
# sqlnet.ora Network Configuration File: D:oracle32product10.2.0client_1 etworkadminsqlnet.ora
# Generated by Oracle configuration tools.# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.SQLNET.AUTHENTICATION_SERVICES= (NTS)NAMES.DIRECTORY_PATH= (TNSNAMES)发现NAMES.DIRECTORY_PATH的配置只允许TNSNAMES3. 解决问题注释掉sqlnet.ora中NAMES.DIRECTORY_PATH= (TNSNAMES)一行,
注释掉就会采用默认值(TNSNAMES,ONAMES,HOSTNAME),当然你也可以修改加上这些常用选项。
再次测试,问题解决。
C:Documents and SettingsAdministrator>sqlplus system/oracle@192.168.10.10/xxsidSQL*Plus: Release 10.2.0.1.0 - Production on 星期四 7月 16 16:54:08 2015Copyright (c) 1982, 2005, Oracle.  All rights reserved.连接到:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing optionsSQL>如果没有特殊的安全需求或其他规范,建议还是不要随意更改sqlnet.ora文件的配置信息。更多Oracle相关信息见Oracle 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=12本文永久更新链接地址