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How to use redis session sharing with nginx+tomcat

PHPz

May 30, 2023 pm 06:40 PM

redisnginxtomcat

Environment preparation

1. Prepare an nginx server ip192.168.1.133 port 81

Installation process:

＃首先安装依赖：
yum -y install gcc-c++ 
yum -y install pcre pcre-devel 
yum -y install zlib zlib-devel 
yum -y install openssl openssl—devel
#注意 ： 安装nginx必须使用 root 用户安装
#创建一个nginx目录
mkdir /usr/local/src/nginx
#进入到nginx目录
cd /usr/local/src/nginx
#下载或上传安装包
wget http://nginx.org/download/nginx.tar.gz 或 rz上传
#解压安装包
tar -xvf nginx.tar.gz
#进入到解压后的目录
cd nginx
# 下面 才开始正式安装
#把nginx安装到指定用户的目录
mkdir -p /ucenter/soft/nginx
#安装配置 prefix为安装目录 user为用户 group为 组
./configure --prefix=/ucenter/soft/nginx --user=ucenter --group=ucenter
#编译
make 
#安装
make install
#在linux系统中由于非root用户不能占用80端口，所以需要使普通用户以root身份启动nginx。 
cd /ucenter/soft/nginx/sbin
#把soft文件下所有的文件所属者修改为ucener -r 表示递归
chown ucenter:ucenter ./soft/ -r
#修改 ./nginx 的所属为root
chown root nginx
#让普通用户可以使用80端口，可以使用root权限启用nginx
chmod u+s nginx
#修改配置文件 在修改配置文件之前 ，要备份该文件
cd conf/
# 要注意nginx 的工作进程，一般根据cpu的核数去修改
vim nginx.conf
#关闭防火墙，打开80端口
service iptables stop
#启动nginx
./nginx
#重启nginx
./nginx -s reload
#关闭nginx
./nginx -s stop

Prepare a tomcat server, first prepare the java environment, omit the jdk installation steps

Then install 3 tomcat server ip addresses: 192.168.1.143, tomcat1 8080 port, tomcat2 8081 port, tomcat3 Port 8082.

nginx+tomcat怎么使用redis session共享

apache-tomcat-7.0.64/conf/server.xml configuration file Modify these three places so that the ports will not conflict

<server port="8005" shutdown="shutdown">
<connector port="8080" protocol="http/1.1"
connectiontimeout="20000"
redirectport="8443" />
<connector port="8009" protocol="ajp/1.3" redirectport="8443" />

Modify index.jsp in the tomcat root directory, add the identification of each tomcat, and display the session id on the page

<%--
licensed to the apache software foundation (asf) under one or more
contributor license agreements. see the notice file distributed with
this work for additional information regarding copyright ownership.
the asf licenses this file to you under the apache license, version 2.0
(the "license"); you may not use this file except in compliance with
the license. you may obtain a copy of the license at

 http://www.apache.org/licenses/license-2.0

unless required by applicable law or agreed to in writing, software
distributed under the license is distributed on an "as is" basis,
without warranties or conditions of any kind, either express or implied.
see the license for the specific language governing permissions and
limitations under the license.
--%>
<!doctype html>
<%@ page session="true" %>
<%
java.text.simpledateformat sdf = new java.text.simpledateformat("yyyy");
request.setattribute("year", sdf.format(new java.util.date()));
request.setattribute("tomcaturl", "http://tomcat.apache.org/");
request.setattribute("tomcatdocurl", "/docs/");
request.setattribute("tomcatexamplesurl", "/examples/");
%>
<html>
 <head>
  <title><%=request.getservletcontext().getserverinfo() %></title>
  <link href="favicon.ico" rel="icon" type="image/x-icon" />
  <link href="favicon.ico" rel="shortcut icon" type="image/x-icon" />
  <link href="tomcat.css" rel="stylesheet" type="text/css" />
 </head>

 <body>
  <div id="wrapper">
   <div id="navigation" class="curved container">
    <span id="nav-home"><a href="${tomcaturl}">home--<%=request.getsession().getid() %></a></span>
    <span id="nav-hosts"><a href="${tomcatdocurl}">documentation</a></span>
    <span id="nav-config"><a href="${tomcatdocurl}config/">configuration</a></span>
    <span id="nav-examples"><a href="${tomcatexamplesurl}">examples</a></span>
    <span id="nav-wiki"><a href="http://wiki.apache.org/tomcat/frontpage">wiki</a></span>
    <span id="nav-lists"><a href="${tomcaturl}lists.html">mailing lists</a></span>
    <span id="nav-help"><a href="${tomcaturl}findhelp.html">find help</a></span>
    <br />
   </div>
   <div id="asf-box">
    <h1 id="pagecontext-servletcontext-serverinfo">${pagecontext.servletcontext.serverinfo}--8080</h1>
   </div>
   <div id="upper" class="curved container">
    <div id="congrats" class="curved container">
     <h2 id="if-nbsp-you-re-nbsp-seeing-nbsp-this-nbsp-you-ve-nbsp-successfully-nbsp-installed-nbsp-tomcat-nbsp-congratulations">if you&#39;re seeing this, you&#39;ve successfully installed tomcat. congratulations!</h2>
    </div>
    <div id="notice">
     <img src="/static/imghwm/default1.png"  data-src="tomcat.png"  class="lazy"   alt="[tomcat logo]" />
     <div id="tasks">
      <h3 id="recommended-nbsp-reading">recommended reading:</h3>
      <h4 id="a-nbsp-href-tomcatdocurl-security-howto-html-security-nbsp-considerations-nbsp-how-to-a"><a href="${tomcatdocurl}security-howto.html">security considerations how-to</a></h4>
      <h4 id="a-nbsp-href-tomcatdocurl-manager-howto-html-manager-nbsp-application-nbsp-how-to-a"><a href="${tomcatdocurl}manager-howto.html">manager application how-to</a></h4>
      <h4 id="a-nbsp-href-tomcatdocurl-cluster-howto-html-clustering-session-nbsp-replication-nbsp-how-to-a"><a href="${tomcatdocurl}cluster-howto.html">clustering/session replication how-to</a></h4>
     </div>
    </div>
    <div id="actions">
     <div>
      <a class="container shadow" href="/manager/status"><span>server status</span></a>
     </div>
     <div>
      <a class="container shadow" href="/manager/html"><span>manager app</span></a>
     </div>
     <div>
      <a class="container shadow" href="/host-manager/html"><span>host manager</span></a>
     </div>
    </div>
    <!--
    <br />
    -->
    <br />
   </div>
   <div id="middle" class="curved container">
    <h3 id="developer-nbsp-quick-nbsp-start">developer quick start</h3>
    <div>
     <div>
      <p><a href="${tomcatdocurl}setup.html">tomcat setup</a></p>
      <p><a href="${tomcatdocurl}appdev/">first web application</a></p>
     </div>
    </div>
    <div>
     <div>
      <p><a href="${tomcatdocurl}realm-howto.html">realms & aaa</a></p>
      <p><a href="${tomcatdocurl}jndi-datasource-examples-howto.html">jdbc datasources</a></p>
     </div>
    </div>
    <div>
     <div>
      <p><a href="${tomcatexamplesurl}">examples</a></p>
     </div>
    </div>
    <div>
     <div>
      <p><a href="http://wiki.apache.org/tomcat/specifications">servlet specifications</a></p>
      <p><a href="http://wiki.apache.org/tomcat/tomcatversions">tomcat versions</a></p>
     </div>
    </div>
    <br />
   </div>
   <div id="lower">
    <div id="low-manage" class="">
     <div class="curved container">
      <h3 id="managing-nbsp-tomcat">managing tomcat</h3>
      <p>for security, access to the <a href="/manager/html">manager webapp</a> is restricted.
      users are defined in:</p>
      <pre class="brush:php;toolbar:false">$catalina_home/conf/tomcat-users.xml

in tomcat 7.0 access to the manager application is split between different users. read more...

documentation

tomcat wiki

find additional important configuration information in:

$catalina_home/running.txt

developers may be interested in:

tomcat 7.0 bug database
tomcat 7.0 javadocs
tomcat 7.0 svn repository

getting help

faq and mailing lists

the following mailing lists are available:

tomcat-announce
important announcements, releases, security vulnerability notifications. (low volume).
tomcat-users
user support and discussion
taglibs-user
user support and discussion for apache taglibs
tomcat-dev
development mailing list, including commit messages

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