IPUtils类获取mac地址在122.224.52.202/192.168.1.251机上报错
ecs-c5ba-0001.novalocal/183.136.168.82
ecs-c5ba-0001.novalocal/183.136.168.91
之前会每次改变ip 配置了/etc/hosts文件后写死地址
NetworkInterface.getByInetAddress(ia)依然为空
解决方法:
对hosts进行配置:192.168.1.251 ecs-c5ba-0001.novalocal localhost4 localhost4.localdomain4
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