Tomcat 多实例部署注意事项

草帽浪人
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如果要部署多个实例，则必须每个Server的端口号不一样

第一个tomcat的配置文件 port=8005，应用访问端口8081

<Server port="8005" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.startup.VersionLoggerListener" /> 
  <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /> 
  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />

  <GlobalNamingResources> 
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
              description="User database that can be updated and saved"
              factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
              pathname="conf/tomcat-users.xml" />
  </GlobalNamingResources>
 
  <Service name="Catalina">
 
    <Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
    
    <Engine name="Catalina" defaultHost="localhost">
 
      <Realm className="org.apache.catalina.realm.LockOutRealm"> 
        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
               resourceName="UserDatabase"/>
      </Realm>

      <Host name="localhost"  appBase="webapps"
            unpackWARs="true" autoDeploy="true"> 
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="localhost_access_log" suffix=".txt"
               pattern="%h %l %u %t &quot;%r&quot; %s %b" /> 
      </Host>
    </Engine>
  </Service>
</Server>

第2个tomcat的配置文件 port=8006，应用访问端口号8081

<Server port="8006" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.startup.VersionLoggerListener" /> 
  <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /> 
  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
 
  <GlobalNamingResources> 
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
              description="User database that can be updated and saved"
              factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
              pathname="conf/tomcat-users.xml" />
  </GlobalNamingResources>
 
  <Service name="Catalina">
 
    <Connector port="8081" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
    
    <Engine name="Catalina" defaultHost="localhost">
 
      <Realm className="org.apache.catalina.realm.LockOutRealm"> 
        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
               resourceName="UserDatabase"/>
      </Realm>
​
      <Host name="localhost"  appBase="webapps"
            unpackWARs="true" autoDeploy="true"> 
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="localhost_access_log" suffix=".txt"
               pattern="%h %l %u %t &quot;%r&quot; %s %b" /> 
      </Host>
    </Engine>
  </Service>
</Server>

Nginx相关配置

#==============================start，全局块，从开始到events块之间的内容=======
#运行用户
#user  nobody;
# work进程数量，通常设置为何cpu数量相等
worker_processes  1;

# 全局错误日志及pid文件位置
#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;
# ============================end，全局块====================

# =============================start,events事件块(影响nginx服务器和用户的网络连接)===
events {
    worker_connections  1024;
}
#==============================end,events时间块==============


#==============================start,http块(nginx服务器中配置最频繁的部分，端口监听，请求转发等)====================
http {

    # 引入mime类型定义文件
    include       mime.types;
    default_type  application/octet-stream;

    #设定日志格式
    #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;

    #io密集型的可以关掉，有助于性能的提高
    sendfile        on;
    #tcp_nopush     on;

    #链接超时时间
    #keepalive_timeout  0;
    keepalive_timeout  65;

    #是否开启了
    #gzip  on;
    #
    # 负载均衡
    upstream lagouServer{
      # ip_hash;
      server 127.0.0.1:8080 weight=2;
      server 127.0.0.1:8081;
    }
    # tomcat的host
    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        # tomcat的 context
        # 默认请求
        #
        # 需求一：默认的nginx，访问 http://192.168.56.101:9003 ---> http:127.0.0.1:8080
        #location / {
        #    #proxy_pass   http://127.0.0.1:8080;
        #     root   html; #默认的网站根目录位置
        #    # index  index.html index.htm; #欢迎页
        #}

        location / {
                root html;
                index index.html index.htm;
                proxy_set_header Host $host;
                proxy_pass http://lagouServer;
        }


        # 需求二：
        # 访问http:192.168.56.101:9003/abc -----> http://127.0.0.1:8080/
        # 访问http:192.168.56.101:9003/def -----> http://127.0.0.1:8081/ 
        location /abc{
            proxy_pass   http://127.0.0.1:8080/;
        }


        location /def{
            proxy_pass   http://127.0.0.1:8081/;
        }

        # 需求三：
        # 访问http:192.168.56.101:9003/zzz 
        # ---> 随机访问 127.0.0.1:8080
        # ---> 随机访问 127.0.0.1:8081
        # ---> 随机访问 127.0.0.1:8082

        location /zzz{
            proxy_pass   http://lagouServer/;
        }

        # 需求四：静态资源文件
        location /static{
            root staticData;
        }

        location /favicon.ico{
        }


        #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;
        }
    }


    # 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;
    #    }
    #} 
}

发布步骤

1、使用rz命令，把文件上传到webapps目录中

2、修改conf文件

3、添加一个站点

4、启动Tomcat

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