19.7.2. 安装 Mod_proxy HTTP 连接器到 Apache HTTP 服务器

启用 HTTPD 里的 mod_proxy 模块

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_balancer_module modules/mod_proxy_balancer.so
LoadModule proxy_http_module modules/mod_proxy_http.so
# Uncomment these to proxy FTP or HTTPS
#LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
#LoadModule proxy_connect_module modules/mod_proxy_connect.so

添加 non-load-balancing 代理。

<VirtualHost *:80>
# Your domain name
ServerName Domain_NAME_HERE

ProxyPreserveHost On

# The IP and port of JBoss EAP 6
# These represent the default values, if your httpd is on the same host
# as your JBoss EAP 6 managed domain or server

ProxyPass / http://localhost:8080/
ProxyPassReverse / http://localhost:8080/

# The location of the HTML files, and access control information
DocumentRoot /var/www
<Directory /var/www>
Options -Indexes
Order allow,deny
Allow from all
</Directory>
</VirtualHost>

添加 load-balancing 代理。

<Proxy balancer://mycluster>

Order deny,allow
Allow from all

# Add each JBoss Enterprise Application Server by IP address and port.
# If the route values are unique like this, one node will not fail over to the other.
BalancerMember http://192.168.1.1:8080 route=node1
BalancerMember http://192.168.1.2:8180 route=node2
</Proxy>

<VirtualHost *:80>
 # Your domain name
 ServerName YOUR_DOMAIN_NAME

 ProxyPreserveHost On
 ProxyPass / balancer://mycluster/

 # The location of the HTML files, and access control information DocumentRoot /var/www
 <Directory /var/www>
  Options -Indexes
  Order allow,deny
  Allow from all
 </Directory>

</VirtualHost>

启用会话粘连（Sticky Session）。

ProxyPass /MyApp balancer://mycluster stickysession=JSESSIONID lbmethod=bytraffic nofailover=Off

重启 Web Server。