java.net.UnknownHostException: XXXXXXXXXX: XXXXXXXXXX: Name or service not known
XXXXXXXXXX:是网址
- 原因: 虚拟机Centos 连不上网, 无法访问外网!
- 查看网络状态
systemctl status network
报错: CentOS7 Failed to start LSB: Bring up/down networking.
解决办法:
禁用NetworkManager
systemctl stop NetworkManager
systemctl disable NetworkManager
然后重启网络服务，能正常联网了！
systemctl start network
参考:
CentOS7 Failed to start LSB: Bring up/down networking.解决方法