linux

Linux环境下Tomcat如何集群部署

小樊
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2025-11-25 04:14:49
栏目: 智能运维

Linux环境下Tomcat集群部署

一 架构与准备

二 单节点Tomcat基础配置

三 集群会话复制配置

<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster">
  <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="false"/>
  <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
</Cluster>
<Context distributable="true">

四 负载均衡部署

upstream tomcat_cluster {
  server 192.168.1.101:8080;
  server 192.168.1.102:8080;
  # 可选:ip_hash; 或 least_conn;
}

server {
  listen 80;
  server_name yourdomain.com;

  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;
  }
}

五 启动验证与常见问题

0
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