ora12514 监听程序当前无法识别

1 、重新启动oracle

2 、Network/admin目录下找到listener.ora

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = E:\Oracle10g)
      (PROGRAM = extproc)
    )

 ============ 加入================
   (SID_DESC =
    (GLOBAL_DBNAME = ORCL)
    (ORACLE_HOME = E:\Oracle10g)   //路径同上
    (SID_NAME = ORCL)
    )

============ 加入================
 )

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

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ora12514 监听程序当前无法识别

原文：http://www.cnblogs.com/mengyihui666666/p/3628840.html