apache   启动报错

启动的时候报错是这样的：
data:/etc/apache2/sites-enabled# /etc/init.d/apache2 restart
Restarting web server: apache2[Wed Dec 03 12:48:21 2008] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results
[Wed Dec 03 12:48:21 2008] [warn] NameVirtualHost *:80 has no VirtualHosts
... waiting .[Wed Dec 03 12:48:23 2008] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results
[Wed Dec 03 12:48:23 2008] [warn] NameVirtualHost *:80 has no VirtualHosts
.

默认配置site-enables/000-default里面是这样的
NameVirtualHost *:80
<VirtualHost *:80>
        ServerAdmin webmaster@localhost
        # ServerName data1.foresee.com.cn
        DocumentRoot /var/www/
        <Directory />
                Options FollowSymLinks
                AllowOverride None
        </Directory>
        <Directory /var/www/>
                Options Indexes FollowSymLinks MultiViews
                AllowOverride None
                Order allow,deny
                allow from all
        </Directory>

        ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
        <Directory "/usr/lib/cgi-bin">
                AllowOverride None
                Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
                Order allow,deny
                Allow from all
        </Directory>

        ErrorLog /var/log/apache2/error.log

        # Possible values include: debug, info, notice, warn, error, crit,
        # alert, emerg.
        LogLevel warn

        CustomLog /var/log/apache2/access.log combined
        ServerSignature On

    Alias /doc/ "/usr/share/doc/"
    <Directory "/usr/share/doc/">
        Options Indexes MultiViews FollowSymLinks
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.0/255.0.0.0 ::1/128
    </Directory>

</VirtualHost>