“ORA-12514 TNS 监听程序当前无法识别连接描述符中请求服务”错误

找到：listener.ora


D:\oracle\product\10.2.0\db_1\network\ADMIN\listener.ora


修改如下：

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
      (PROGRAM = extproc)
    )
    (SID_DESC =
  (GLOBAL_DBNAME = orcl)
  (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
  (SID_NAME = orcl)
  )  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = B0DNOIE39KXTPH0)(PORT = 1521))
    )
  )