java.net.UnknownHostException: you.hai.com

1、错误描述

信息: Server startup in 14654 ms
java.net.UnknownHostException: you.hai.com
	at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1295)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1248)
	at java.net.InetAddress.getAllByName(InetAddress.java:1164)
	at java.net.InetAddress.getAllByName(InetAddress.java:1098)
	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.resolveHostname(DefaultClientConnectionOperator.java:259)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:304)
	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:611)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:446)
	at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:882)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)

	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
	at core.util.MesHTTPClient.exeHttp(MesHTTPClient.java:186)
	at core.util.MesHTTPClient.exeHttpGet(MesHTTPClient.java:119)

2、错误原因

        未知的主机域名异常，导致报错

3、解决办法

（1）修正主机域名

（2）以对应的IP进行访问地址