ORA-12154:TNS:无法处理服务名 为什么我登陆Oracle 提示ORA-12154: TNS:...
ORA-12154:TNS:\u65e0\u6cd5\u5904\u7406\u670d\u52a1\u540d\u3002\u53bb\u522b\u4eba\u673a\u5668\u4e0a\uff0c\u88c5\u6709\u53ef\u4ee5\u7528\u7684 From 6i\u7684\u62f7\u8d1d\u4e00\u4e2a\u6587\u4ef6\u5939\uff0c\u8986\u76d6\u4f60\u672c\u5730\u7684\u5c31\u53ef\u4ee5\u4e86
\u8fd9\u4e2a\u76ee\u5f55\u4e0bC:\orant\TOOLS\OPEN60
\u7684PLSQLLIB \u8fd9\u4e2a\u6587\u4ef6\u5939
\u8f6c\u5b58\u5230\u4f60\u672c\u673a\u76f8\u5bf9\u5e94orant\TOOLS\OPEN60 \u4e0b\uff0c\u5373\u53ef~
\u4f60\u6ca1\u6709\u914d\u7f6e\u8fde\u63a5\u6570\u636e\u5e93,\u8fd9\u91cc\u663e\u793a\u7684\u90fd\u662f\u5b9e\u4f8b\u4e0d\u8d77\u4f5c\u7528\u7684.\u770b\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50,\u4f60\u81ea\u5df1\u589e\u52a0\u4e00\u4e2a\u5c31\u53ef\u4ee5\u4e86
NMJYFX=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 134.0.33.34 (PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = nmjyfx)
)
)
NMJYFX\u662f\u6570\u636e\u5e93\u522b\u540d\u53ef\u4ee5\u4efb\u610f\u8d77,nmjyfx\u662f\u6570\u636e\u5e93\u7684\u540d\u5b57,")(HOST = 134.0.33.34 " \u8fd9\u91cc\u628a\u670d\u52a1\u5668\u7684IP\u8f93\u5165,\u628a\u8fd93\u9879\u586b\u597d\u5c31\u53ef\u4ee5\u4e86.\u5982\u679c\u662f\u4f60\u81ea\u5df1\u7684\u673a\u5b50\u4f5c\u4e3a\u670d\u52a1\u5668\u7684\u8bdd,\u5219\u628aIP\u6362\u4e3a\u8ba1\u7b97\u673a\u540d\u5c31\u53ef\u4ee5\u4e86.
有时候怎么配置TNSNAMES.ORA都出现ora-12154 TNS：无法处理服务名的错误！其实根据oracle的版本的不同，配置的字符串也有所不同。比如：oracle8.1.5的SQLNET.ORA文件的内容是这样的：路径：orant\NET80\ADMIN\SQLNET.ORATRACE_LEVEL_CLIENT = OFF
#sqlnet.authentication_services = (NONE)
names.directory_path = (TNSNAMES, HOSTNAME)
names.default_domain = world
name.default_zone = world
automatic_ipc = off所以服务名后面都要加上.world，比如：CARD.WORLD =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
(CONNECT_DATA = (SID = CARD))
)
但是在oracle9i下则要这样配置：CARD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = CARD)
)
)oracle9i的SQLNET.ORA是这样的：路径：oracle\ora92\network\admin\SQLNET.ORA# SQLNET.ORA Network Configuration File: C:\oracle\ora92\network\admin\sqlnet.ora
# Generated by Oracle configuration tools.SQLNET.AUTHENTICATION_SERVICES= (NTS)NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)所以如果按照oarcle8.1.5的配置参考oracle9i的配置，显然是不对的。因为oracle8.1.5中的SQLNET.ORA文件定义了服务名必须要有.world根据oracle版本， SID 可能是要改成service_name。 参考一下listener.ora的global_name.确定在sqlnet.ora里，names.default_domain设置空字符。排除了这些应该没什么问题了。
你的PL/SQL Developer工具是不是放在中文路径下了？！
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