服务器负载均衡技术:使用apache部署集群实现负载均衡

参照博客：
http://www.blogjava.net/libin2722/articles/352842.html

参照这个网站，有一点点需要修改，修改不正确就会出错。我相关资料都以图片上传，请查看图片

资源下载地址：
http://www.apache.org/dist/httpd/binaries/win32/   httpd-2.2.25-win32-x86-no_ssl

apache程序安装在：D:\Program Files (x86)\Apache Software Foundation   里

报错：jk_uri_worker_map.c (578): Could not find worker with name 'loadBalancer' in uri map post processing
查看：http://stackoverflow.com/questions/3666649/apache-httpd-2-2-x-mod-jk-1-2-30-tomcat-6-error-could-not-find-worker-with

开始部署集群操作：（详看附件图片，在文档里不知道如上传图）
一、下载：
1、httpd-2.2.25-win32-x86-no_ssl.msi     apache安装文件
2、tomcat-connectors-1.2.39-windows-i386-httpd-2.2.x.zip   里的mod_jk.so
3、apache-tomcat-6.0.36-windows-x64.zip
实际上面几个版本应当都是可以的，版本是向下兼容

二、安装apache,我安在D盘

三、配置：
1、mod_jk.conf：

# Load mod_jk2 module
LoadModule jk_module modules/mod_jk.so

# Where to find workers.properties(引用workers配置文件)
JkWorkersFile conf/workers.properties

# Where to put jk logs(log文件路径)
JkLogFile logs/mod_jk2.log

# Set the jk log level [debug/error/info](log级别)
JkLogLevel info

# Select the log format(log格式)
JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
# JkOptions indicate to send SSL KEY SIZE,
JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories

# JkRequestLogFormat set the request format
JkRequestLogFormat "%w %V %T"

# Send JSPs for context / to worker named loadBalancer(URL转发配置，匹配的URL才转发到tomcat进行处理)
# JkMount /*.jsp controller
JkMount /*.* loadBalancer

2、workers.properties：
worker.list = loadBalancer

worker.tomcat1.port=8009

worker.tomcat1.host=localhost
worker.tomcat1.type=ajp13

worker.tomcat1.lbfactor = 1

worker.tomcat2.port=9009
worker.tomcat2.host=localhost
worker.tomcat2.type=ajp13
worker.tomcat2.lbfactor = 1

worker.loadBalancer.type=lb
worker.loadBalancer.balance_workers=tomcat1,tomcat2
worker.loadBalancer.sticky_session=True

3、httpd.conf
在<IfModule ssl_module>前加   Include conf/mod_jk.conf

ABC三个文件都在apache安装目录的conf下，我的在
D:\Program Files (x86)\Apache Software Foundation\Apache2.2\conf
里

4、将mod_jk.so放在modules下，我的在
D:\Program Files (x86)\Apache Software Foundation\Apache2.2\modules

apache这边的配置基本结束，现在就是一个javaee测试程序和tomcat配置

四、test.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>test1</title>

</head>

<body>
我是测试页面
<%
System.out.println("分发===========================");
%>

</body>

</html>

五、修改tomcat
server.xml
<Server port="9005" shutdown="SHUTDOWN">
<Connector port="9090" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
   <Connector port="9009" protocol="AJP/1.3" redirectPort="8443" />
另一个tomcat不用修改
然后发布启动测试。

大部份步骤和参考的一样，只是告诉大家在细节配置方面需要看图

服务器负载均衡技术:使用apache部署集群实现负载均衡

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