TNS-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务
ORA-12514, TNS:listener does not currently know of service requested in conn
可以尝试修改listener.ora
此文件位于“D:\app\Administrator\virtual\product\12.2.0\dbhome_1\network\admin”
增加下图中的红色部分
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = D:\app\Administrator\virtual\product\12.2.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:D:\app\Administrator\virtual\product\12.2.0\dbhome_1\bin\oraclr12.dll")
)
(SID_DESC =
(GLOBAL_DBNAME = ORCL)
(ORACLE_HOME = D:\app\Administrator\virtual\product\12.2.0\dbhome_1)
(SID_NAME = ORCL)
)
)