tomcat 세션 클러스터링 설정

http {
	upstream my-was {		
        server 192.168.10.100:8080;
        server 192.168.10.101:8080;


        sticky cookie srv_id expires=1h domain=.example.com path=/;
    }

server {
	location / {
        proxy_pass   http://my-was;
		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;

        ## prevent 504 timeout. default 60s;
        proxy_connect_timeout       90;
        proxy_send_timeout          90;
        proxy_read_timeout          90;
        send_timeout                90;
    }
    sendfile off;
    client_max_body_size 100m;
    location ~ /\.ht {
        deny all;
    }

conf/server.xml

 <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
                 channelSendOptions="8">

          <Manager className="org.apache.catalina.ha.session.DeltaManager"
                   expireSessionsOnShutdown="false"
                   notifyListenersOnReplication="true"/>
			
			<!-- 멀티캐스트 포트(45564) 필요에 따라 변경 -->
          <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"/>
			<!-- replication 메시지 수신 포트는 4000 - 4100 사이 -->
            <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.MessageDispatch15Interceptor"/>
          </Channel>

          <Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
                 filter=""/>
          <Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/>
			
		  <!-- war 를 하나에 반영하면 클러스터에 자동으로 배포되는 FarmWarDeployer 기능시에만 필요
          <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>

<distributable/>

firewall-cmd --permanent --zone=public --add-port=45564/tcp
firewall-cmd --permanent --zone=public --add-port=45564/udp
firewall-cmd --permanent --zone=public --add-port=4000-4100/tcp
firewall-cmd --reload

/etc/sysconfig/iptables

-A INPUT -m state --state NEW -m tcp -p tcp --dport 45564 -j ACCEPT
-A INPUT -m state --state NEW -m udp -p udp --dport 45564 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 4000:4100 -j ACCEPT

service iptables restart

CATALINA_OPTS="${CATALINA_OPTS} -Dcom.sun.management.jmxremote \
-Dcom.sun.management.jmxremote.port=8765 \
-Dcom.sun.management.jmxremote.ssl=false \
-Dcom.sun.management.jmxremote.authenticate=false"