ubuntu

Ubuntu Tomcat集群部署方法

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2025-11-15 09:47:43
栏目: 智能运维

Ubuntu Tomcat 集群部署方法

一 架构与准备

二 配置 Tomcat 集群与会话复制

<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcatA">
  <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
           channelSendOptions="8">
    <Manager className="org.apache.catalina.ha.session.DeltaManager"
             expireSessionsOnShutdown="false"
             notifyListenersOnReplication="true"/>
    <Channel className="org.apache.catalina.tribes.group.GroupChannel">
      <Membership className="org.apache.catalina.tribes.membership.McastService"
                  address="228.0.0.4" port="45564" frequency="500" dropTime="3000"/>
      <Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"
                 address="auto" port="4000" autoBind="100"
                 selectorTimeout="5000" maxThreads="6"/>
      <Sender className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
        <Transport className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/>
      </Sender>
      <Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/>
      <Interceptor className="org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor"/>
    </Channel>
    <Valve className="org.apache.catalina.ha.tcp.ReplicationValve" filter=""/>
    <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
  </Cluster>
</Engine>

三 配置负载均衡

upstream tomcat_cluster {
    server 192.168.1.11:8080;
    server 192.168.1.12:8080;
    # 可选:开启会话亲和
    # ip_hash;
}

server {
    listen 80;
    server_name your.domain.local;

    location / {
        proxy_pass http://tomcat_cluster;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}
worker.list=loadbalancer,status
worker.tomcat1.port=8009
worker.tomcat1.host=192.168.1.11
worker.tomcat1.type=ajp13
worker.tomcat1.lbfactor=1

worker.tomcat2.port=8009
worker.tomcat2.host=192.168.1.12
worker.tomcat2.type=ajp13
worker.tomcat2.lbfactor=1

worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=tomcat1,tomcat2
worker.loadbalancer.sticky_session=1
worker.status.type=status

四 启动与验证

五 进阶与会话保持

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