use*_*705 8 oracle tnsnames listener oracle11g ora-12514
我正在尝试连接到安装在Linux EL 5上的oracle 11g并且出现以下错误
SQL> connect sys/password@ud06 as sysdba
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
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我在network/admin下的listener.ora如下
LISTENER=
(DESCRIPTION=
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=tcp)(HOST=ud06)(PORT=1521))
(ADDRESS=(PROTOCOL=ipc)(KEY=extproc))))
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(GLOBAL_DBNAME=orcl)
(ORACLE_HOME=/home/oracle/app/oracle/product/11g)
(SID_NAME=orcl))
(SID_DESC=
(SID_NAME=plsextproc)
(ORACLE_HOME=/home/oracle/app/oracle/product/11g)
(PROGRAM=extproc)))
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我的tnsnames.ora如下
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)
UD06=
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = ud06)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)
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MY lsnrctl状态显示如下:
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ud06.us.server.com)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-FEB-2010 16:23:06
Uptime 0 days 0 hr. 12 min. 33 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /home/oracle/app/oracle/product/11g/network/admin/listener.ora
Listener Log File /home/oracle/app/oracle/product/11g/log/diag/tnslsnr/ud06/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ud06.us.server.com)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=extproc)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Service "plsextproc" has 1 instance(s).
Instance "plsextproc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
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这个问题的答案很简单.不要担心.ora文件或任何其他配置.Oracle完成所有这些工作.
只有在通过命令行连接时,它才会与其中包含@符号的密码混淆.
因此,在通过命令行SQL连接时,请勿使用带有"@"的密码.只需使用Web界面创建一个帐户,密码中没有"@"符号.
那是!!问题解决了.我已经打破了好几天了,现在我的问题解决了!
您能否成功 ping ud06(作为 ud06,而不是 ud06.us.server.com)?
命令是什么
lsnrctl services
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展示?
编辑:在我看来,数据库实例名称可能实际上不是“orcl”?lsnrctl 服务输出告诉我的是“orcl”服务虽然在listener.ora 文件中定义,但实际上并未运行。
可以直接连接服务器登录吗?如果是这样,您使用什么作为 ORACLE_SID 环境变量值?以 SYS 用户身份登录并发出命令:
更改系统寄存器;
然后再次发出 lsnrctl services 命令并查看是否未显示其他实例。
此外,正如 Alex 指出的那样,tnsping 命令正在报告完全限定的服务名称。编辑 sqlnet.ora 文件并将 NAMES.DEFAULT_DOMAIN 值设置为 NULL(如果有值)。
编辑 2:服务器上的tnsping ud06 是否工作?或者我关于客户端和服务器位于不同系统上的假设是错误的?
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