负载均衡之nginx+tomcat简单demo配置

1、工具nginx 下载地址：http://nginx.org/en/download.html

2、Tomcat 下载地址：http://tomcat.apache.org

将下载的tomcat 复制一份解压修改相关端口号：

tomcat路径下\conf\server.xml

第一个tomcat修改以下三个地方的端口号：

第二个tomcat可以不修改。

修改ngnix配置：

nginx-1.10.3\conf\nginx.conf

找到http{}

在其括号中添加如下代码：

upstream nginxdemo{
server 127.0.0.1:8088;
server 127.0.0.1:8082;
}

修改server{}中的listen 监听为8080

找到localhost / {} 添加proxy_pass http://nginxdemo;

整体配置如下：

#user nobody;
worker_processes 1;

#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;

#pid logs/nginx.pid;

events {
worker_connections 1024;
}

http {
include mime.types;
default_type application/octet-stream;

#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';

#access_log logs/access.log main;

sendfile on;
#tcp_nopush on;

#keepalive_timeout 0;
keepalive_timeout 65;

#gzip on;

upstream nginxdemo{
server 127.0.0.1:8088;
server 127.0.0.1:8082;
}

server {
listen 8080;
server_name localhost;

#charset koi8-r;

#access_log logs/host.access.log main;

location / {
root html;
index index.html index.htm;
proxy_pass http://nginxdemo;
}

#error_page 404 /404.html;

# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}

# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}

# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}

# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;

# location / {
# root html;
# index index.html index.htm;
# }
#}

# HTTPS server
#
#server {
# listen 443 ssl;
# server_name localhost;

# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;

# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;

# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;

# location / {
# root html;
# index index.html index.htm;
# }
#}

}

启动两个tomcat

启动nginx 命令 nginx -s reload

在浏览器中输入nginxdemo:8080

此配置为轮询访问即：平均访问两台服务器

负载均衡之nginx+tomcat简单demo配置

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