Oracle异常处理—ORA-12514:监听程序当前无法识别连接描述符中请求的服务

 

 

 

 

 

    (SID_DESC =
          (GLOBAL_DBNAME = ORCL)
          (ORACLE_HOME = D:\oracle\product\11.2.0\dbhome_1)  
          (SID_NAME = ORCL)
        )

 

如果在listener.ora文件中指定监听的实例名，则即使数据库处于关闭状态，仍然可以连接。 

 

 

# listener.ora Network Configuration File: C:\app\NanT\product\11.2.0\dbhome_2\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = C:\app\NanT\product\11.2.0\dbhome_2)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:C:\app\NanT\product\11.2.0\dbhome_2\bin\oraclr11.dll")
    )
    
    (SID_DESC =
      (GLOBAL_DBNAME = ORCL2)
      (ORACLE_HOME = C:\app\NanT\product\11.2.0\dbhome_2)  
      (SID_NAME = ORCL02)
    )
    
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.6.1)(PORT = 1521))
    )
  )

ADR_BASE_LISTENER = C:\app\NanT