apache，[warn] _default_ VirtualHost overlap on port 80, the first has precedence

[root@us www]# /etc/init.d/httpd restart
停止 httpd： [确定]
正在启动 httpd：[Tue Apr 28 15:01:02 2015] [warn] _default_ VirtualHost overlap on port 80, the first has precedence
[warn] _default_ VirtualHost overlap on port 80, the first has precedence
是因为第一个虚拟主机配置已经占用了80端口，所以将会沿用第一虚拟主机的配置。所以不管你第二个，或者第n个虚拟主机怎么配置，都会沿用第一个虚拟主机的配置，即出现的都是第一个站点的内容。
解决的办法就是将#NameVirtualHost *:80前的注释去掉。 变成
NameVirtualHost *:80
这样子，再重启apache就能解决问题了。。