ORA-28547:连接服务器失败，可能是Oracle Net管理错误

描述：监听和服务都正常启动了，但是远程连接的时候会有这种错误
ORA-28547:连接服务器失败，可能是Oracle Net管理错误
解决办法：
listener.ora 文件中：

# listener.ora Network Configuration File: D:\app\Administrator\product\11.2.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = orcl)  #网络上的服务名称
      (ORACLE_HOME = D:\app\Administrator\product\11.2.0\dbhome_1) #这里一定要配置正确
      #(PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:D:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll")
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
  )

ADR_BASE_LISTENER = D:\app\Administrator