解决 ERROR - ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务

oralce 10g

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = F:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
[b][color=red] (SID_DESC =
(GLOBAL_DBNAME = orcl)
(ORACLE_HOME = F:\oracle\product\10.2.0\db_1)
(SID_NAME = orcl)
)[/color][/b]
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)
)