Apache2有两个带有ssl的虚拟主机

Question

我在000-default.conf

中配置时出现奇怪的错误消息

<VirtualHost *:443>
    ServerName test.com
    Redirect permanent / https://www.test.com/
</VirtualHost>

<VirtualHost *:443>
    ServerName www.test.com

    ... # all the stuff for my django app that most certainly does not relate to the issue at hand

    SSLEngine on
    SSLCertificateFile /etc/ssl/certs/www.test.com.crt
    SSLCertificateKeyFile /etc/ssl/private/www.test.com.key
    SSLCertificateChainFile /etc/apache2/ssl.crt/www.test.com.ca
</VirtualHost>

由于配置问题，Apache2不会重启：

[Fri Jul 08 11:36:24.388010 2016] [ssl:emerg] [pid 23159] AH02240: Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile] ((null):0)
[Fri Jul 08 11:36:24.388057 2016] [ssl:emerg] [pid 23159] AH02312: Fatal error initialising mod_ssl, exiting.

有人可以对此发表评论吗？我不明白为什么会这样。