使用sqoop进行数据传输,windows-mysql传输数据到虚拟机里面的hdfs,报错The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. sqoop进行传输的时候没有要求sqoop的安装和MySQL的安装都在一个系统中吧?使用sqoop要求本机和虚拟机必须ping通吗?我的网络链接方式用的hostonly。