plsql 登录 oracle11 12514 错误的处理方法

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每个人安装路径环境可能会存在不一样，仅供参考

12514：

存在路径不正确，下面是我的路径，其中 D:\hff\install\Oracle\ 是安装的路径，配置时注意小括号的问题，下方红色部分是修改配置的路径。配置完成后，请确认下列服务是否启动。配置完成后可能会出现 01034、27101的错误。请看下篇处理

# listener.ora Network Configuration File: D:\hff\install\Oracle\product\11.2.0\dbhome_1\network\admin\listener.ora
 # Generated by Oracle configuration tools.
SID_LIST_LISTENER =
  (SID_LIST =
   (SID_DESC =
    (SID_NAME = CLRExtProc)
    (ORACLE_HOME = D:\hff\install\Oracle\product\11.2.0\dbhome_1)
    (PROGRAM = extproc)
   ) 
   (SID_DESC =
    (GLOBAL_DBNAME = orcl)
    (ORACLE_HOME = D:\hff\install\Oracle\product\11.2.0\dbhome_1)
    (SID_NAME = orcl)
   )
  )
 )
LISTENER =
  (DESCRIPTION_LIST =
   (DESCRIPTION =
    (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
   )
  )
ADR_BASE_LISTENER = D:\hff\install\Oracle