1. 修改listener.ora文件，增加如下内容，注意该库位于SDE的安装目录下的bin目录下：
(ENVS = "EXTPROC_DLLS=C:\Program Files\ArcGIS\ArcSDE\ora10gexe\bin\st_shapelib.dll")

?

--listener.ora:
SID_LIST_LISTENER =
? (SID_LIST =
??? (SID_DESC =
????? (GLOBAL_DBNAME = ngrm)
????? (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
????? (SID_NAME = ngrm)
??? )
??? (SID_DESC =
????? (GLOBAL_DBNAME = topodb)
????? (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
????? (SID_NAME = topodb)
??? )
??? (SID_DESC =
????? (SID_NAME = PLSExtProc)
????? (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
????? (PROGRAM = extproc)
????? (ENVS = "EXTPROC_DLLS=C:\Program Files\ArcGIS\ArcSDE\ora10gexe\bin\st_shapelib.dll")
??? )
? )

2. 修改tnsnames.ora文件，添加如下一行，注意listener和tnsnames中的KEY值要匹配上:
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.205.41)(PORT = 1521))

--tnsnames.ora:
EXTPROC_CONNECTION_DATA =
? (DESCRIPTION =
??? (ADDRESS_LIST =
????? (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
????? (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.205.41)(PORT = 1521))
??? )
??? (CONNECT_DATA =
????? (SID = PLSExtProc)
????? (PRESENTATION = RO)
??? )
? )

重启服务。