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nginx+tomcat+redis完成session共享(转载)

2017-02-16 16:16 393 查看
转载:http://blog.csdn.net/grhlove123/article/details/48047735

tomcat7下基于redis的session共享所需jar包
http://download.csdn.net/detail/xiaoxiaosasasa/9403043
本文记录nginx+Redis+tomcat实现session共享的过程

nginx安装:http://blog.csdn.net/grhlove123/article/details/47834673

redis安装:http://blog.csdn.net/grhlove123/article/details/47783471

准备两个tomcat,修改相应的端口

名称IP端口tomcat版本JDK
tomcat110.10.49.2380807.0.401.7.0_25
tomcat210.10.49.1580817.0.401.7.0_25
修改nginx.conf加上:

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upstream backend {

server 10.10.49.23:8080 max_fails=1 fail_timeout=10s;

server 10.10.49.15:8081 max_fails=1 fail_timeout=10s;

}

修改nginx.conf的location成

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location / {

root html;

index index.html index.htm;

proxy_pass http://backend;
}

启动nginx。

下载tomcat-redis-session-manager相应的jar包,主要有三个:

wget https://github.com/downloads/jcoleman/tomcat-redis-session-manager/tomcat-redis-session-manager-1.2-tomcat-7- href="http://lib.csdn.net/base/javase" target=_blank>Java-7.jar
wget http://central.maven.org/maven2/redis/clients/jedis/2.5.2/jedis-2.5.2.jar wget http://central.maven.org/maven2/org/apache/commons/commons-pool2/2.0/commons-pool2-2.0.jar
下载完成后拷贝到$TOMCAT_HOME/lib中

修改两tomcat的context.xml:

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<Context>

<!-- Default set of monitored resources -->

<WatchedResource>WEB-INF/web.xml</WatchedResource>

<!-- Uncomment this to disable session persistence across Tomcat restarts -->

<!--

<Manager pathname="" />

-->

<!-- Uncomment this to enable Comet connection tacking (provides events

on session expiration as well as webapp lifecycle) -->

<!--

<Valve className="org.apache.catalina.valves.CometConnectionManagerValve" />

-->

<Valve className="com.orangefunction.tomcat.redissessions.RedisSessionHandlerValve" />

<Manager className="com.orangefunction.tomcat.redissessions.RedisSessionManager"

host="10.10.49.20"

port="6379"

database="0"

maxInactiveInterval="60" />

</Context>

在tomcat/webapps/test放一个index.jsp

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<%@ page language="java" %>

<html>

<head><title>TomcatA</title></head>

<body>

<table align="centre" border="1">

<tr>

<td>Session ID</td>

<td><%= session.getId() %></td>

</tr>

<tr>

<td>Created on</td>

<td><%= session.getCreationTime() %></td>

</tr>

</table>

</body>

</html>

sessionID:<%=session.getId()%>

<br>

SessionIP:<%=request.getServerName()%>

<br>

SessionPort:<%=request.getServerPort()%>

<%

//为了区分,第二个可以是222

out.println("This is Tomcat Server 1111");

%>

启动tomcat,发现有异常:com.orangefunction.tomcat.redissessions.RedisSessionHandlerValve 类找不到

分别打开三个jar包,确实没有这个类,解决可以参考:

http://blog.csdn.net/qinxcb/article/details/42041023

通过访问http://10.10.49.20/test/



刷新:



可以看到虽然Server从1111变为2222,但session的创建时间没有变化,这就完成了session共享。
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