(原创)配置tnsname是个十分容易的问题,没什么好说的,以前也从来没有错过,不过今天配置的时候出了两个小问题(这两个问题是用GUI配置时不会出的,我觉得Java启动太慢,手工配置tnsname.ora时出现的) C:\>tnsping 100
TNS Ping Utility for 32-bit Windows: Version 9.2.0.1.0 - Production on 15-OCT-2004 12:38:38
Copyright (c) 1997 Oracle Corporation. All rights reserved.
Used parameter files: F:\oracle\ora92\network\admin\sqlnet.ora
Used HOSTNAME adapter to resolve the alias Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SID=*)(SERVICE_NAME=100))(ADDRESS=(PROTOCOL=TCP)(HOST=100)(PORT=1521))) TNS-12541: TNS:no listener 查看Server端的监听,lsnrctl status,结果正常
查看tnsname.ora 100 = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.6.100)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = oracas) ) )
完全正确.... ******************************************************************* 或者是 C:\>tnsping 226
TNS Ping Utility for 32-bit Windows: Version 9.2.0.1.0 - Production on 15-OCT-2004 12:40:12
Copyright (c) 1997 Oracle Corporation. All rights reserved.
Used parameter files: F:\oracle\ora92\network\admin\sqlnet.ora
TNS-03505: Failed to resolve name(意思是不存在226在文件tnsname.ora中) 查看tnsname.ora 226 = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.6.226)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = oracas) ) ) 完全正确...
最后分析出导致上述两个问题的原因都是应为tns前面多了一个空格。。。。。。寒,居然是这种错误... 所以大家配置的时候小心细节问题

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