Oracle解决ora-12514 问题

找到oracle安装目录如：C:\app\yfan\product\11.2.0\client_2
找到一下文件：
\product\11.2.0\client_2\network\admin\tnsnames.oRA

内容：
PNET_ITG =
  (DESCRIPTION =
    (SDU = 32768)
    (enable = broken)
    (LOAD_BALANCE = yes)
    (ADDRESS = (PROTOCOL = TCP)(HOST = IP)(PORT = 1525))
    (ADDRESS = (PROTOCOL = TCP)(HOST = IP)(PORT = 1525))
    (CONNECT_DATA =
      (SERVICE_NAME = PNET_ITG)
    )
  )