Is the multicast heartbeat picked up over the multicast IP or the Receiver address that is broadcasted? I assume it is the multicast IP as the Receiver is supposedly used for replication only.
Andrew R Feller, Analyst Subversion Administrator University Information Systems Louisiana State University [EMAIL PROTECTED] (office) 225.578.3737 -----Original Message----- From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED] Sent: Tuesday, July 03, 2007 9:55 AM To: Tomcat Users List Subject: Re: Tomcat 5.5 Clustering issues the disappeared message appears 3seconds after the member added message. 3 seconds is the timeout you have set, ie, if no multicast heartbeat is received after 3 seconds, consider the member dead. so it seems like multicasting is not working properly on your system. Filip Andrew R Feller wrote: > Good morning everyone, > > > > I have been trying to get Tomcat clustering between two Tomcat instances > set up, but I have run into some issues. After opening the necessary > ports in the firewall, routing the broadcast messages to the correct > network interface (eth0), and setting up server.xml with the necessary > membership information, I get the following from my Tomcat logs: > > > > 2007-07-03 09:16:37,247 INFO > [org.apache.catalina.cluster.tcp.SimpleTcpCluster] - Replication member > added:org.apache.catalina.cluster.mcast.McastMember[tcp://130.39.184.173 > :4001,catalina,130.39.184.173,4001, alive=30318] > > 2007-07-03 09:16:37,256 DEBUG > [org.apache.catalina.cluster.tcp.DataSender] - Create sender > [/130.39.184.173:4,001] > > 2007-07-03 09:16:40,724 INFO > [org.apache.catalina.cluster.tcp.SimpleTcpCluster] - Received member > disappeared:org.apache.catalina.cluster.mcast.McastMember[tcp://130.39.1 > 84.173:4001,catalina,130.39.184.173,4001, alive=30318] > > > > What could be the cause of cluster members disappearing immediately > after being added? Am I missing anything necessary for setting up > clustering / session replication? Relative information about the server > is below. > > > > Thank you, > > Andrew > > > > Tomcat: 5.5.23 > > Server: RHEL 5 > > Server.xml: > > > > <Cluster > className="org.apache.catalina.cluster.tcp.SimpleTcpCluster" > > > managerClassName="org.apache.catalina.cluster.session.DeltaManager" > > expireSessionsOnShutdown="false" > > useDirtyFlag="true"> > > > > <Membership > > className="org.apache.catalina.cluster.mcast.McastService" > > mcastAddr="239.39.184.173" > > mcastPort="45564" > > mcastFrequency="500" > > mcastDropTime="3000" /> > > > > <Receiver > > > className="org.apache.catalina.cluster.tcp.ReplicationListener" > > tcpListenAddress="auto" > > tcpListenPort="4001" > > tcpSelectorTimeout="100" > > tcpThreadCount="6" /> > > > > <Sender > > > className="org.apache.catalina.cluster.tcp.ReplicationTransmitter" > > replicationMode="synchronous" /> > > > > <Valve > className="org.apache.catalina.cluster.tcp.ReplicationValve" > > > filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt; > " /> > > > > <ClusterListener > className="org.apache.catalina.cluster.session.ClusterSessionListener" > /> > > > > </Cluster> > > > > IP table rules: > > > > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport > 4001 -j ACCEPT > > -A RH-Firewall-1-INPUT -p udp --dport 45564 -d 239.39.184.173 -j > ACCEPT > > > > ------------------------------------------------------------------------ > > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.476 / Virus Database: 269.9.14/884 - Release Date: 7/2/2007 3:35 PM > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
