Using Redis to solve multi-node sharing session problem with TOMCAT6 under nginx load

Using Redis to share the Tomcat multi-node session requires the installation of Redis, Nginx, Tomcat6 and the jar package for the Tomcat storage session to Redis: Tomcat-redis-session-manager-1.2-tomcat-6.jar,

Commons-pool-1.6.jar, Jedis-2.1.0.jar and so on. These jar packages, configuration files and demo programs can be downloaded in the final demo address.

Here is the configuration and operation of Tomcat and Nginx:

1. Copy the jar package from the demo package to the Tomcat Lib directory :

2. Configure the Tomcat context.xml file:

<valve classname= "Com.radiadesign.catalina.session.RedisSessionHandlerValve"/>; <manager classname= "Com.radiadesign.catalina.session.RedisSessionManager"          host= "localhost"          port= " 6379 "          database=" 0 "          

3. Configure Tomcat's Server.xml:

For different Tomcat, the following ports are configured with different values such as: Tomcat1:<server port= "8007" shutdown= "shutdown" ><connector port= "18080" Protocol= "Org.apache.coyote.http11.Http11Protocol"                connectiontimeout= "20000"                redirectport= "8444"/>  <connector port= "8019" protocol= "ajp/1.3" redirectport= "8444"/><engine name= "Catalina" defaultHost= " localhost "jvmroute=" tomcat1 ">tomcat2:<server port=" 8008 "shutdown=" shutdown "><connector port=" 18081 " Protocol= "Org.apache.coyote.http11.Http11Protocol"                connectiontimeout= "20000"                redirectport= "8445"/>  <connector port= "8029" protocol= "ajp/1.3" redirectport= "8445"/>  <engine name= "Catalina" defaulthost= "localhost" jvmroute= "TOMCAT2" >

4. Configure the Nginx cluster:

Configure the nginx.conf: Upstream tomcat {   server 127.0.0.1:18080;       Server 127.0.0.1:18081;     }    server {            listen       8080;            server_name  127.0.0.1;           Location/{        proxy_redirect          off;            Proxy_set_header        Host            $host;            Proxy_set_header        x-real-ip       $remote _addr;            Proxy_set_header        x-forwarded-for $proxy _add_x_forwarded_for;            Client_max_body_size    10m;            Client_body_buffer_size 128k;            Proxy_buffers           4k;          Proxy_connect_timeout   3;            Proxy_send_timeout      ;            Proxy_read_timeout      ;            Proxy_pass http://tomcat;            }               }

5. Put the Demo.war program into the TOMCATDE WebApps:

Modify the contents of the index.jsp in the demo, different Tomcat, the content is not the same. As follows:

Demo:tomcat2:<%=session.getid ()%> in Demo:tomcat1:<%=session.getid ()%> tomcat2 in TOMCAT1

6. Start Nginx,redis, TOMCAT1, TOMCAT2:

Open Browser, enter address: Http://localhost:8081/demo

7. Press F5 to refresh the page:

We can see the page, no matter how we refresh it, only the previous Tomcat's logo has changed, and the back SessionID is fixed as follows:

TOMCAT1:8EA77B42358EFC1CD1F5FBC7246A1317.TOMCAT1 TOMCAT2:8EA77B42358EFC1CD1F5FBC7246A1317.TOMCAT1

If the above results show that the shared session was successful, if you have any problems in the process of trying, you can leave me a message.

8.demo:

TOMCAT6 Multi-node sharing session with Redis under Nginx load

Using Redis to solve multi-node sharing session problem with TOMCAT6 under nginx load