配置后启动总是找不到IP

[ywx332713]

Caused by: java.net.UnknownHostException: ip
at java.net.InetAddress.getAllByName0(InetAddress.java:1280)
at java.net.InetAddress.getAllByName(InetAddress.java:1192)
at java.net.InetAddress.getAllByName(InetAddress.java:1126)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:188)
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:298)
... 57 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:50286', transport: 'socket'

[ywx332713]

已解决 ：windows 系统中C:\Windows\System32\drivers\etc 的HOSTS文件中添加127.0.0.1 ip