apache+tomcat负载均衡，集群，jdstatus配置（完整）

Supanccy2013

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apache tomcat java html jsp

所需材料：
1，apache_2.0.55-win32-x86-no_ssl.msi
2，apache-tomcat-5.5.17.rar
3，mod_jk-apache-2.0.55.so

步骤及内容：
1，在C:\apacheTomcat\Apache2\conf\httpd.conf末尾添加下面一句话
include "C:\apacheTomcat\Apache2\conf\mod_jk.conf"

2，编写httpd.conf文件，内容如下：

#加载mod_jk Module
LoadModule jk_module modules/mod_jk-apache-2.0.55.so
#指定 workers.properties文件路径
JkWorkersFile conf/workers.properties
#指定请求交给tomcat处理,"controller"为在workers.propertise里指定的负载分配控制器
JkMount /*.jsp controller
JkMount /jkstatus status

3，在目录C:\apacheTomcat\Apache2\conf\下添加文件
workers.properties，内容为：

worker.list = controller,status  #server 列表
worker.status.type=status

#========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,默认8009
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.retries=3
worker.controller.balanced_workers=tomcat1,tomcat2   #指定分担请求的tomcat
worker.controller.sticky_session=1

4，复制tomcat两份，配置其中server.xml，其中tomcat1的配置文件内容如下：

<Server port="8005" shutdown="SHUTDOWN">

  <Listener className="org.apache.catalina.core.AprLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>

  <!-- Global JNDI resources -->
  <GlobalNamingResources>
    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
       description="User database that can be updated and saved"
           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
          pathname="conf/tomcat-users.xml" />
  </GlobalNamingResources>

  <Service name="Catalina">

    <Connector port="8080" maxHttpHeaderSize="8192"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8443" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" />

    <Connector port="8009" 
               enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />

    <Engine name="Catalina" defaultHost="localhost">

      <Host name="localhost" appBase="webapps"
       unpackWARs="true" autoDeploy="true"
       xmlValidation="false" xmlNamespaceAware="false">
     
        
        <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
                 managerClassName="org.apache.catalina.cluster.session.DeltaManager"
                 expireSessionsOnShutdown="false"
                 useDirtyFlag="true"
                 notifyListenersOnReplication="true">

            <Membership 
                className="org.apache.catalina.cluster.mcast.McastService"
                mcastAddr="228.0.0.4"
                mcastPort="45564"
                mcastFrequency="500"
                mcastDropTime="3000"/>

            <Receiver 
                className="org.apache.catalina.cluster.tcp.ReplicationListener"
                tcpListenAddress="auto"
                tcpListenPort="4001"
                tcpSelectorTimeout="100"
                tcpThreadCount="6"/>

            <Sender
                className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
                replicationMode="pooled"
                ackTimeout="15000"
                waitForAck="true"/>

            <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
                   filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;"/>
                   
            <Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
                      tempDir="/tmp/war-temp/"
                      deployDir="/tmp/war-deploy/"
                      watchDir="/tmp/war-listen/"
                      watchEnabled="false"/>
                      
            <ClusterListener className="org.apache.catalina.cluster.session.ClusterSessionListener"/>
        </Cluster>
               
      </Host>
    </Engine>
  </Service>
</Server>

tomcat2的server.xml文件内容如下：

<Server port="9005" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.core.AprLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>

  <!-- Global JNDI resources -->
  <GlobalNamingResources>
    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
       description="User database that can be updated and saved"
           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
          pathname="conf/tomcat-users.xml" />
  </GlobalNamingResources>

  <Service name="Catalina">


    <Connector port="9080" maxHttpHeaderSize="8192"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8443" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" />
   

    <Connector port="9009" 
               enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />

         
    <Engine name="Catalina" defaultHost="localhost">
      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
             resourceName="UserDatabase"/>

      <Host name="localhost" appBase="webapps"
       unpackWARs="true" autoDeploy="true"
       xmlValidation="false" xmlNamespaceAware="false">         
    
        
        <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
                 managerClassName="org.apache.catalina.cluster.session.DeltaManager"
                 expireSessionsOnShutdown="false"
                 useDirtyFlag="true"
                 notifyListenersOnReplication="true">

            <Membership 
                className="org.apache.catalina.cluster.mcast.McastService"
                mcastAddr="228.0.0.4"
                mcastPort="45564"
                mcastFrequency="500"
                mcastDropTime="3000"/>

            <Receiver 
                className="org.apache.catalina.cluster.tcp.ReplicationListener"
                tcpListenAddress="auto"
                tcpListenPort="4002"
                tcpSelectorTimeout="100"
                tcpThreadCount="6"/>

            <Sender
                className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
                replicationMode="pooled"
                ackTimeout="15000"
                waitForAck="true"/>

            <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
                   filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;"/>
                   
            <Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
                      tempDir="/tmp/war-temp/"
                      deployDir="/tmp/war-deploy/"
                      watchDir="/tmp/war-listen/"
                      watchEnabled="false"/>
                      
            <ClusterListener className="org.apache.catalina.cluster.session.ClusterSessionListener"/>
        </Cluster>
             
      </Host>
    </Engine>
  </Service>
</Server>

创建项目test并放进tomcat1，tomcat2中。
其中web.xml内容如下：

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
   <display-name></display-name>	
  
    <welcome-file-list>
      <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>	
    <distributable/> 
</web-app>

创建测试jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
   <% 
       HttpSession session2 = request.getSession();
       System.out.println(session2.getId());
   %>

</body>
</html>

最后请求：http://localhost/test/testSession.jsp即可

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