The first has precedence, perhaps you need a NameVirtualHost directive

Error Message 1:

Starting httpd: [Fri May 19 11:49:42 2011] [warn] VirtualHost 127.0.0.1: 80 overl
Aps with VirtualHost 127.0.0.1: 80, the first has precedence, perhaps you need
NameVirtualHost directive

This indicates that the vm name is not enabled, and NameVirtualHost is not enabled, as shown below:

# Add here ~~, Then you can add any number of virtual hosts.

NameVirtualHost 192.168.8.37: 80
#
# NOTE: NameVirtualHost cannot be used without a port specifier
# (E.g.: 80) if mod_ssl is being used, due to the nature of
# SSL protocol.
#

#
# VirtualHost example:
# Almost any Apache directive may go into a VirtualHost container.
# The first VirtualHost section is used for requests without a known
# Server name.
#
# <VirtualHost *: 80>
# ServerAdmin webmaster@dummy-host.example.com
# DocumentRoot/www/docs/dummy-host.example.com
# ServerName dummy-host.example.com
# ErrorLog logs/dummy-host.example.com-error_log
# CustomLog logs/dummy-host.example.com-access_log common
#/VirtualHost>

<VirtualHost *: 80>
ServerAdmin webmaster@dummy-host.example.com
DocumentRoot/var/www/html
ServerName dummy-host.example.com
ErrorLog logs/dummy-host.example.com-error_log
CustomLog logs/dummy-host.example.com-access_log common
</VirtualHost>

<VirtualHost 192.168.8.37: 80>
ServerAdmin webmaster@dummy-host.example.com
DocumentRoot/var/www/html
ServerName XXX.com
ErrorLog logs/dummy-host.example.com-error_log
CustomLog logs/dummy-host.example.com-access_log common
</VirtualHost>