一、Nginx相关
Nginx分发两台tomcat,主要需要在nginx的nginx.conf中添加如下配置:
upstream mysite { server 172.29.10.19:8280 weight=5; server 172.29.10.20:8280 weight=5; }
location /zyk { proxy_pass http://mysite; proxy_connect_timeout 1; proxy_send_timeout 1; proxy_read_timeout 1; }
完整的nginx.conf文件如下:
#user nobody; worker_processes 4; 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; client_header_buffer_size 128m; upstream mysite { server 172.29.xx.x9:8280 weight=5; server 172.29.xx.x0:8280 weight=5; } server { listen 80; server_name 172.29.xx.xx; charset utf-8; #charset koi8-r; access_log logs/host.access.log main; location /zyk { proxy_pass http://mysite/zyk; proxy_connect_timeout 1; proxy_send_timeout 1; proxy_read_timeout 1; } #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; # } #} }
二、tomcat相关
tomcat集群我使用的是session复制。
1、首先部署两台tomcat服务器,并都启动没有问题
我的两台tomcat服务器分别为:
http://172.29.10.19:8280/zyk/
http://172.29.10.20:8280/zyk/
<?xml version="1.0" encoding="UTF-8"?>
<Context docBase="/usr/local/workspaces/npu_fwcms/fwcms/apache-tomcat-7.0.85/webapps/zyk"
privileged="true" antiResourceLocking="false" antiJARLocking="false" distributable="true">
</Context>
3、若是两个tomcat在同一台机器上,则需要将tomcat的启动端口全部改为不同。
4、修改server.xml文件
找到Cluster节点
<!--
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
-->
去掉注释
找到Engine节点,将这个由
<Engine name="Catalina" defaultHost="localhost">
变为
<Engine name="Catalina" defaultHost="localhost" jvmRoute="node1">
其中node1意思为目前这个tomcat的实例名称为node1,另一台机器上则设置为node2
5、在web.xml中加入:
<display-name>session</display-name>
<distributable/>
或者
<distrbutable/>
然后重启两台tomcat会看到如下信息: