所以...我应该RTM.接受公开屈辱...

So...I should RTM. Public humiliation accepted...

app/etc/local.xml具有

app/etc/local.xml had

<session_save><![CDATA[file]]></session_save>

需要复数

<session_save><![CDATA[files]]></session_save>

我希望这可以防止其他人遇到此问题...

I hope this keeps someone else from having this issue...