oracle 数据泵导入问题: 求大神们指点 为啥啊?

ORA-39002: 操作无效
ORA-31694: 加载/卸载主表 "SYS"."SYS_IMPORT_FULL_01" 失败
ORA-02354: 导出/导入数据时出错
ORA-02368: the following file is not valid for this load operation
ORA-02369: internal number in header in file E:\数据\aaa.dmp is not valid

dmp文件损坏了,可能是导出没有成功,或者上传,下载dmp时出错
温馨提示:答案为网友推荐,仅供参考