linux

Tomcat在Linux上的集群配置方法

小樊
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2025-06-23 18:49:42
栏目: 智能运维

在Linux上配置Tomcat集群通常涉及以下几个步骤:

  1. 安装Tomcat
  1. 配置Tomcat实例
<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"/>
  <Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer" tempDir="/tmp/war-temp/" deployDir="/tmp/war-deploy/" watchDir="/tmp/war-listen/" watchEnabled="false"/>
  <ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
</Cluster>
  1. 配置负载均衡器
upstream tomcat_cluster {
  server 192.168.1.1:8080;
  server 192.168.1.2:8080;
  server 192.168.1.3:8080;
}

server {
  listen 80;
  server_name yourdomain.com;
  location / {
    proxy_pass http://tomcat_cluster;
  }
}
  1. 配置会话复制
<Manager className="org.apache.catalina.ha.session.DeltaManager" expireSessionsOnShutdown="false" notifyListenersOnReplication="true"/>
  1. 配置共享存储
  1. 启动Tomcat和负载均衡器
sudo systemctl start tomcat
sudo systemctl start nginx
  1. 验证集群
  1. 监控和日志

以上步骤提供了一个基本的Tomcat集群配置指南。根据实际需求,可能还需要进一步调整和优化配置。

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