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使用apache搭建tomcat集群

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1、安装apache

1.1 下载ApacheX64.rar,并解压

1.2 修改Apache24\conf\httpd.conf文件

配置根目录:

使用apache搭建tomcat集群

配置ip和端口

使用apache搭建tomcat集群

1.2 安装apache服务器

以管理员身份进入到apache安装目录的bin目录下,执行httpd.exe -k install

使用apache搭建tomcat集群

1.3 测试配置文件是否配置正确 httpd.exe -n Apache2.4 -t

使用apache搭建tomcat集群

1.4 修改默认首页 Apache24\htdocs\index.html

<!doctype html>
<html>
<head>
    <title> apache </title>
</head>
<body>
it works!
</body>
</html>

1.5 启动apache httpd.exe -k start

使用apache搭建tomcat集群

1.6 测试是否apache是否启动成功

在浏览器中输入:http://localhost:80

使用apache搭建tomcat集群

2、tomcat集群配置(使用上面的2.4配置tomcat时总是报错,故使用apache2.2配置)

2.1 下载mod_jk-apache-2.2.2.so,并将其复制到apache2.2\modules目录下

2.2  在apache2.2/conf目录下创建workers.properties文件内容如下:

worker.list=controller,tomcat1,tomcat2,tomcat3

#    配置tomcat1
# 配置tomcat和apache通信的端口
worker.tomcat1.port=11009
worker.tomcat1.host=localhost
# 配置tomcat和apache通信的协议为ajp13
worker.tomcat1.type=ajp13
# 配置该tomcat获得的请求比重,数字越大获得的请求越多
worker.tomcat1.lbfactor=1

worker.tomcat2.port=12009
worker.tomcat2.host=localhost
worker.tomcat2.type=ajp13
worker.tomcat2.lbfactor=1

worker.tomcat3.port=13009
worker.tomcat3.host=localhost
worker.tomcat3.type=ajp13
worker.tomcat3.lbfactor=1

# 配置负载均衡
worker.controller.type=lb
#配置负载均衡的tomcat列表
worker.controller.balanced_workers=tomcat1,tomcat2,tomcat3
worker.controller.sticky_session=false
worker.controller.sticky_session_force=1

2.3 在apache2.2/conf目录下创建mod_jk.conf文件内容如下:

LoadModule jk_module modules/mod_jk-apache-2.2.2.so
JkWorkersFile conf/workers.properties
JkMount /*.jsp controller
JkMount /*.do tomcat1
JkMount /*.action tomcat2
JkMount /*.anno tomcata3

2.4 下项目的web.xml文件中配置session共享

在web.xml文件末尾添加 <distributable/> 标签

2.5 将项目放入到2.2中的tomcat的webapp目录下,修改conf/server.xml(以tomcat1为例)

<!--修改tomcat关闭接口-->  

lt;Server port="11006" shutdown="SHUTDOWN">

lt;!--修改http访问端口--> <Connector port="11081" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />

lt;!--修改ajp13端口,和apache进行通信--> <Connector port="11009" protocol="AJP/1.3" redirectPort="8443" />

lt;!--配置虚拟主机名称--> <Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">

lt;!--配置tomcat单点故障--> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>

2.6 启动apache,tomcat1,tomcat2,tomcat3并进行验证

使用apache搭建tomcat集群

使用apache搭建tomcat集群

使用apache搭建tomcat集群

2.7 配置域名直接访问tomcat中的内容

2.7.1 修改apache2.2/conf/httpd.conf文件

取消注释

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

2.7.2 修改apache2.2/conf/extra/httpd-vhosts.conf配置文件,在文件尾部添加如下内容

<VirtualHost *:80>
    ServerName cas.5teacher.com
    DocumentRoot "D:\software\apache-tomcat-1\webapps\tomcats"
    DirectoryIndex index.jsp
    <Directory "D:\software\apache-tomcat-1\webapps\tomcats">
    Options -Indexes FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
    </Directory>
</VirtualHost>

<VirtualHost *:80>
    ServerName cas.5teacher.com
    DocumentRoot "D:\software\apache-tomcat-2\webapps\tomcats"
    DirectoryIndex index.jsp
    <Directory "D:\software\apache-tomcat-2\webapps\tomcats">
    Options -Indexes FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
    </Directory>
</VirtualHost>

<VirtualHost *:80>
    ServerName cas.5teacher.com
    DocumentRoot "D:\software\apache-tomcat-3\webapps\tomcats"
    DirectoryIndex index.jsp
    <Directory "D:\software\apache-tomcat-3\webapps\tomcats">
    Options -Indexes FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
    </Directory>
</VirtualHost>

2.7.3 在各个tomcat中配置(以tomcat1为例),修改apache-tomcat-1/conf/server.xml 修改

<Host name="cas.5teacher.com"  appBase="webapps"
            unpackWARs="true" autoDeploy="true">
        <alias>cas.5teacher.com</alias>
        <Context path="" docBase="D:\software\apache-tomcat-2\webapps\tomcats" debug="0" reloadable="true"/>
</Host>
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