Apache Http Server2.4采用ajp协议配置tomcat8负载均衡

192.168.1.177--->apache http server
192.168.1.178--->apache-tomcat-8.0.32
192.168.1.179--->apache-tomcat-8.0.32

[color=green]ssh登录192.168.1.177[/color]
# vi /etc/hosts
192.168.1.177 apachehs
# yum install gcc
# yum install -y gcc gcc-c++

[color=green]下面安装apr、apr-util、pcre[/color]
# tar -xvf apr-1.5.2.tar.gz
# cd apr-1.5.2
# vi configure
? $RM "$cfgfile"
添加#注释掉这一行

# ./configure --prefix=/usr/local/apr
# make && make install

# cd ..
# tar xvf apr-util-1.5.4.tar.gz
# cd apr-util-1.5.4
# ./configure --prefix=/usr/local/apr-util --with-

apr=/usr/local/apr/bin/apr-1-config
# make && make install
# cd ..
# unzip pcre-8.38.zip -d /opt/
# cd pcre-8.38
# vi configure
? $RM "$cfgfile"
添加#注释掉这一行

# ./configure --prefix=/usr/local/pcre
# make && make install

[color=green]下面安装Apache Http Server[/color]
# tar xvf httpd-2.4.18.tar.gz
# cd httpd-2.4.18
# ./configure --prefix=/home/webserver/apache --with-
apr=/usr/local/apr --with-apr-util=/usr/local/apr-util/ --with-pcre=/usr/local/pcre
# make
# make install
# cd /home/webserver/apache/conf
# ls
extra httpd.conf magic mime.types original

[color=green]下面开始配置Apache Http Server[/color]
[url]http://httpd.apache.org/docs/2.4/en/mod/mod_proxy_ajp.html[/url]
[url]http://httpd.apache.org/docs/2.4/en/mod/[/url]
# [color=red]vi httpd.conf[/color]
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule proxy_balancer_module modules/mod_proxy_balancer.so

LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule slotmem_shm_module modules/mod_slotmem_shm.so
LoadModule lbmethod_byrequests_module modules/mod_lbmethod_byrequests.so

# Virtual hosts
Include conf/extra/httpd-vhosts.conf

找到#Listen 80...一行，在下面添加
Listen 192.168.1.177:10080
找到#ServerName ...一行，在下面添加
ServerName 192.168.1.177:10080

在文件的最后加上如下几行:
ProxyRequests Off
<Proxy balancer://clu>
BalancerMember ajp://192.168.1.178:8009 loadfactor=1
BalancerMember ajp://192.168.1.179:8009 loadfactor=1
</Proxy>

# [color=red]vi extra/httpd-vhosts.conf[/color]
<VirtualHost *:10080>
# ServerAdmin shihuan830619@163.com
# DocumentRoot "/home/webserver/apache/docs/dummy-host.example.com"
ServerName 192.168.1.177:10080
# ServerAlias www.shihuan.example.com
ProxyPass / balancer://clu/ stickysession=JSESSIONID nofailover=On
ProxyPassReverse / balancer://clu/
ErrorLog "logs/cluster-error.log"
CustomLog "logs/custer-access.log" common
</VirtualHost>

# [color=red]vi /etc/httpd/conf/httpd.conf[/color]
添加
ServerName 192.168.1.177:10080

# /home/webserver/apache/bin/apachectl -k start
# /home/webserver/apache/bin/apachectl -k stop

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[color=green]ssh登录192.168.1.178[/color]
# vi /etc/hosts
192.168.1.178 tomcat1

# rpm -ivh jdk-7u80-linux-x64.rpm
# vi /etc/profile
export JAVA_HOME=/usr/java/jdk1.7.0_80
export PATH=$JAVA_HOME/bin:$PATH

# source /etc/profile
# java -version
java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)


# tar xvf apache-tomcat-8.0.32.tar.gz
# cd apache-tomcat-8.0.32/conf
# vi server.xml
关注
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />

# cd ../bin
# ./startup.sh
# ./shutdown.sh


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[color=green]ssh登录192.168.1.179[/color]
# vi /etc/hosts
192.168.1.179 tomcat2


# rpm -ivh jdk-7u80-linux-x64.rpm
# vi /etc/profile
export JAVA_HOME=/usr/java/jdk1.7.0_80
export PATH=$JAVA_HOME/bin:$PATH

# source /etc/profile
# java -version
java version "1.7.0_80"
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)


# tar xvf apache-tomcat-8.0.32.tar.gz
# cd apache-tomcat-8.0.32/conf
# vi server.xml
关注
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />

# cd ../bin
# ./startup.sh
# ./shutdown.sh


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最后启动测试两个tomcat和apacheserver，启动顺序不能错

[root@[color=red]tomcat1[/color] bin]# ./startup.sh
[root@[color=red]tomcat2[/color] bin]# ./startup.sh
[root@[color=red]apachehs[/color] home]# /home/webserver/apache/bin/apachectl -k start

在浏览器的地址栏里输入 http://192.168.1.177:10080/


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【注】如果在Windows Server上安装Apche Http Server需要先用管理员身份运行vcredist x64.exe这个文件。

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下面3个链接是更加详细的参数设置
[url]http://httpd.apache.org/docs/current/mod/prefork.html[/url]
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[url]http://www.blogjava.net/xiachang88/articles/295969.html[/url]