nginx反向代理后端两台tomcat服务器

nginx:192.168.2.110
tomcat:
    node120:192.168.2.120
    node121:192.168.2.121

-->tomcat node120配置:
tomcat 服务配置:
vim server.xml
.......
    <Engine name="Catalina" defaultHost="node120">
.....
      </Host>
        <Host name="node120" appBase="/data/webapps" autoDeploy="true">
            <Context path="" docBase="ROOT" />
                <Valve className="org.apache.catalina.valves.AccessLogValve" directory="/data/webapps/logs"
                    prefix="node120_access_log" suffix=".txt"
                    pattern="%h %l %u %t &quot;%r&quot; %s %b" />
        </Host>
    </Engine>
  </Service>
</Server>

网站目录文件:
[root@node120 webapps]# pwd
/data/webapps
[root@node120 webapps]# tree
.
|-- ROOT
|   |-- META-INF
|   |-- WEB-INF
|   |-- classes
|   |-- index.jsp
|   |-- lib
|   `-- root
`-- logs
    `-- node120_access_log.2017-05-07.txt

6 directories, 3 files

网站目录index.jps文件:
[root@node120 ROOT]# cat index.jsp
<%@ page language="java" %>
<%@ page import="java.util.*" %>
<html>
    <head>
        <title>JSP Test Page node120</title>
    </head>
    <body>
        <% out.println("Hello,World node120"); %>
    </body>
</html>
         
重启tomcat服务:
service tomcat restart

网页访问:http://192.168.2.120:8080


-->tomcat node121配置:
tomcat 服务配置:
vim server.xml
.......
    <Engine name="Catalina" defaultHost="node121">
.....
      </Host>
        <Host name="node121" appBase="/data/webapps" autoDeploy="true">
            <Context path="" docBase="ROOT" />
                <Valve className="org.apache.catalina.valves.AccessLogValve" directory="/data/webapps/logs"
                    prefix="node121_access_log" suffix=".txt"
                    pattern="%h %l %u %t &quot;%r&quot; %s %b" />
        </Host>
    </Engine>
  </Service>
</Server>

网站目录文件:
[root@node121 webapps]# pwd
/data/webapps
[root@node121 webapps]# tree
.
|-- ROOT
|   |-- META-INF
|   |-- WEB-INF
|   |-- classes
|   |-- index.jsp
|   |-- lib
|   `-- root
`-- logs
    `-- node121_access_log.2017-05-07.txt

6 directories, 3 files

网站目录index.jps文件:
[root@node121 ROOT]# cat index.jsp
<%@ page language="java" %>
<%@ page import="java.util.*" %>
<html>
    <head>
        <title>JSP Test Page node121</title>
    </head>
    <body>
        <% out.println("Hello,World node121"); %>
    </body>
</html>
         
重启tomcat服务:
service tomcat restart

网页访问:http://192.168.2.121:8080



Nginx反向代理配置:192.168.2.110
在nginx主文件中包含负载均衡配置文件:
cat nginx.conf
include extra/upstream_tomcat.conf;

[root@node110 extra]# pwd
/usr/local/nginx-1.6.2/conf/extra
[root@node110 extra]# cat upstream_tomcat.conf
    upstream tomcat_servers {
        server 192.168.2.120:8080 weight=10;
        server 192.168.2.121:8080 weight=10;
    }
    server {
        listen 80;
        server_name tomcat.linuxmysql.com;
        location / {
            proxy_pass http://tomcat_servers;
        }
    }    

客户端访问:
    http://tomcat.linuxmysql.com


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