EXP-00008: 遇到 ORACLE 错误 3113
ORA-03113: 通信通道的文件结束
EXP-00000: 导出终止失败

在 tnsnames.ora

增加        (SERVER = DEDICATED)            

GDDB_ZH =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
    )
    (CONNECT_DATA =
       (SERVER = DEDICATED)            
       (SERVICE_NAME = gddb)
    )
  )