nginx反向代理后端两台tomcat服务器

2017-05-07

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 "%r" %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 "%r" %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