加载中…解决oracle11g的ORA-12505问题
(2013-04-05 17:28:27)| 分类： 大型数据库 |
今天在使用SQL Developer的时候连不上去，报ORA-12505错误，但是SQLPLUS可以连接。
检查服务名，是OracleServiceORCL，那SID应当就是orcl，但是使用该SID仍然无法连接。
查阅资料后解决方法如下：
1.
找到listener.ora文件（listener监听器进程的配置文件），使用文本编辑器打开。
内容如下：
[plain] view plaincopy
-
#
listener.ora Network Configuration File: C:\app\Administrator\product\11.2.0\dbhome_1\network\admin\listener.ora -
#
Generated by Oracle configuration tools. -
-
SID_LIST_LISTENER
= -
(SID_LIST = -
(SID_DESC = -
(SID_NAME = CLRExtProc) -
(ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1) -
(PROGRAM = extproc) -
(ENVS = "EXTPROC_DLLS=ONLY:C:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll") -
) -
) -
-
LISTENER
= -
(DESCRIPTION_LIST = -
(DESCRIPTION = -
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) -
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) -
) -
) -
-
ADR_BASE_LISTENER
= C:\app\Administrator
2.
[plain] view plaincopy
-
#
listener.ora Network Configuration File: C:\app\Administrator\product\11.2.0\dbhome_1\network\admin\listener.ora -
#
Generated by Oracle configuration tools. -
SID_LIST_LISTENER
= -
(SID_LIST = -
(SID_DESC = -
(SID_NAME = CLRExtProc) -
(ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1) -
(PROGRAM = extproc) -
(ENVS = "EXTPROC_DLLS=ONLY:C:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll") -
) -
<span style="color:#ff0000;">(SID_DESC = -
(GLOBAL_DBNAME = orcl) -
(ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1) -
(SID_NAME = orcl) -
) -
</span>
) -
LISTENER
= -
(DESCRIPTION_LIST = -
(DESCRIPTION = -
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)) -
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) -
) -
) -
ADR_BASE_LISTENER
= C:\app\Administrator
3.
附：
PL/SQL DEVELOPER 和 SQLPLUS 采用 service_name 进行连接
而应用程序是按照 sid_name 进行连接，所以出现 PL/SQL DEVELOPER和SQLPLUS 能够连接而应用程序却无法连接的问题。
使用 SELECT INSTANCE_NAME FROM V$INSTANCE 语句，就可以查看当前数据库实例的sid_name了。
出处：http://blog.csdn.net/mdifferent/article/details/7887832
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