apache2.2.21 + mod_jk1.2.32 + tomcat6.0.33 配置负载均衡

文章由LinuxBoy分享于2019-03-24 06:03:02热评（518）

apache2.2.21 + mod_jk1.2.32 + tomcat6.0.33 配置负载均衡

系统环境：Windows XP SP3 ，jdk1.6.0_13

软件版本：httpd-2.2.21-win32-x86-openssl-0.9.8r.msi apache-tomcat-6.0.33 tomcat-connectors-1.2.32-windows-i386-

httpd-2.2.x

我是在一台机器上作的测试，因为我完成了apache的负载均衡以及tomcat6的集群和session的复制，

需要修改到的地方可能比较多，先将配置列出如下：

1. 修改apache的httpd.conf:

首先要load所需要的so文件，把下面几行前面的注释去掉.

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_connect_module modules/mod_proxy_connect.so

LoadModule proxy_ftp_module modules/mod_proxy_ftp.so

加入load连接器的配置

LoadModule jk_module modules/mod_jk.so

JkWorkersFile "conf\workers.properties"

JkMount /*.jsp controller

去掉虚拟主机的注释

Include conf/extra/httpd-vhosts.conf

结尾加上负载均衡配置

SetHandler server-status

Order Deny,Allow

Deny from all

Allow from all

</Location>

SetHandler balancer-manager

Order Deny,Allow

Deny from all

Allow from all

</Location>

ProxyRequests Off

ProxyPass /test balancer://tomcatcluster/ stickysession=jsessionid nofailover=On

BalancerMember ajp://127.0.0.1:8009 loadfactor=1 route=tomcat1

BalancerMember ajp://127.0.0.1:9009 loadfactor=1 route=tomcat2

</Proxy>

2. apache的httpd-vhosts.conf文件中加入：

ServerAdmin webmaster@163.com

ServerName localhost

ServerAlias localhost

ProxyPass / balancer://tomcatcluster/ stickysession=jsessionid nofailover=On

ProxyPassReverse / balancer://tomcatcluster/

</VirtualHost>

3.创建workers.properties文件

#========tomcat1========

worker.tomcat1.port=8009 #ajp13 端口号，在tomcat下server.xml配置,默认8009

worker.tomcat1.host=localhost #tomcat的主机地址，如不为本机，请填写ip地址

worker.tomcat1.type=ajp13

worker.tomcat1.lbfactor = 1 #server的加权比重，值越高，分得的请求越多

#========tomcat2========

worker.tomcat2.port=9009 #ajp13 端口号，在tomcat下server.xml配置,

worker.tomcat2.host=localhost #tomcat的主机地址，如不为本机，请填写ip地址

worker.tomcat2.type=ajp13

worker.tomcat2.lbfactor = 1 #server的加权比重，值越高，分得的请求越多

#========controller,负载均衡控制器========

worker.controller.type=lb

worker.controller.balanced_workers=tomcat1,tomcat2 #指定分担请求的tomcat

worker.controller.sticky_session=false #worker.controller.sticky_session=1

4.修改tomcat的server.xml:

除了把两个tomcat冲突的端口都改掉，还需要加入下的集群设置

<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1"> --另一个为tomcat2

<!--

<Manager className="org.apache.catalina.ha.session.BackupManager"

expireSessionsOnShutdown="false"

notifyListenersOnReplication="true"

mapSendOptions="6"/>

-->

<Manager className="org.apache.catalina.ha.session.DeltaManager"

expireSessionsOnShutdown="false"

notifyListenersOnReplication="true"/>

<Membership className="org.apache.catalina.tribes.membership.McastService"

address="228.0.0.4"

port="45564"

frequency="500"

dropTime="3000"/>

<Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"

address="auto"

port="5001"

selectorTimeout="100"

maxThreads="6"/>

</Sender>

</Channel>

<Valve className="org.apache.catalina.ha.tcp.ReplicationValve"

filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;"/>

<!--

-->

<Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer"

tempDir="/tmp/war-temp/"

deployDir="/tmp/war-deploy/"

watchDir="/tmp/war-listen/"

watchEnabled="false"/>

<!--

-->

</Cluster>

5.webapps应用下web.xml配置

Webapps目录下的应用程序的web.xm中必须添加

<distributable/> 此应用将与群集服务器复制Session

配置完成，先启动所有tomcat服务器，最后启动apache2.2服务器.

6.下面jsp可以作为测试程序部署在tomcat1,tomcat2

<%@ page contentType="text/html; charset=GBK" %>

<%@ page import="java.util.*" %>

<html><head><title>Cluster App Test</title></head>

<body>

Server Info:

out.println(request.getLocalAddr() + " : " + request.getLocalPort()+"<br>");%>

out.println("<br> ID " + session.getId()+"<br>");

String dataName = request.getParameter("dataName");

if (dataName != null && dataName.length() > 0) {

String dataValue = request.getParameter("dataValue");

session.setAttribute(dataName, dataValue);

}

out.print("<b>Session 列表</b>");

Enumeration e = session.getAttributeNames();

while (e.hasMoreElements()) {

String name = (String)e.nextElement();

String value = session.getAttribute(name).toString();

out.println( name + " = " + value+"<br>");

System.out.println( name + " = " + value);

}

名称:<input type=text size=20 name="dataName">

<br>

值:<input type=text size=20 name="dataValue">

<br>

</form>

</body>

</html>

成功配置的结果是tomcat1,tomcat2的后台打印session内容相同,通过apache访问请求被分发

摘自我行我诉

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