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Linux系统管理综合辅导:linux搭建apache和tomcat集群2


时间:2014-04-29 来源:Linux认证考试网 浏览次数:526  【华夏培训网:中国教育培训第一门户

2.6 在apache/conf目录下面增加两个文件  2.6.1 文件名称mod_jk.conf workers.properties  2.6.2 mod_jk.conf 文件内容: 

         2.6 在apache/conf目录下面增加两个文件

  2.6.1 文件名称mod_jk.conf workers.properties

  2.6.2 mod_jk.conf 文件内容:

  LoadModule jk_modulemodules/mod_jk.so

  JkWorkersFileconf/workers.properties

  #指定那些请求交给tomcat处理,"controller"为在workers.propertise里指定的负载分配控制器名

  JkMount /*.jsp controller

  2.6.3 workers.properties文件内容:

  #server

  worker.list = controller

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

  worker.tomcat1.port=11009

  worker.tomcat1.host=localhost

  worker.tomcat1.type=ajp13

  worker.tomcat1.lbfactor = 1

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

  worker.tomcat2.port=12009

  worker.tomcat2.host=localhost

  worker.tomcat2.type=ajp13

  worker.tomcat2.lbfactor = 1

  #========controller,负载均衡控制器========

  worker.controller.type=lb

  worker.controller.balance_workers=tomcat1,tomcat2

  worker.controller.sticky_session=false

  worker.controller.sticky_session_force=1

  #worker.controller.sticky_session=1

  2.6.3 修改apache/conf目录下的httpd.conf

  在最后增加:include"/usr/local/apache/conf/mod_jk.conf"

  2.6.4 开启45564防火墙udp端口/sbin/iptables -I INPUT -p udp -dport 45564-j ACCEPT

  2.6.5 保存配置/etc/rc.d/init.d/iptables save

  2.6.6 启动tomcat1 tomcat2

  查看日志,如果出现Replication member added:org.apache.catalina.tribes.membership.MemberImpl[tcp://{127, 0, 0, 1}:4001,{127, 0, 0, 1},4001, alive=1008, securePort=-1, UDP Port=-1, id={-78 100 -88 20 1 127 64 64 -102 71 -75 -84 -121 104 -10 88 }, payload={}, command={}, domain={}, ]则说明两个tomcat已经互相监听到了。

  2.6.7 如果无法互相监听到:修改linux配置:]# /sbin/iptables -I INPUT -p udp -dport 45564 -j ACCEPT打开端口保存:# /etc/rc.d/init.d/iptables save重启俩tomcat 即可

  2.6.8 访问http://localhost/test/test2.jsp查看效果

  test2.jsp:

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

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

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

  <body>

  <img alt="aa" src="http://localhost/images/aa.jpg"/>

  Server Info:

  <%

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

  <%

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

  // 如果有新的 Session 属性设置

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

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

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

  session.setAttribute(dataName, dataValue);

  }

  out.println("<b>Session 列表</b><br>");

  System.out.println("============================");

  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);

  }

  %>

  <form action="test2.jsp" method="POST">

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

  <br>

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

  <br>

  <input type=submit>

  </form>

  </body>

  </html>






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