Re: One of my boxes, the cluster is not working anymore

[Filip Hanik - Dev Lists]

easiest way to see your packets fly by, is to use wireshark and just 
sniff UDP packets

Filip
Randy Paries wrote:
On Jan 7, 2008 1:55 PM, Filip Hanik - Dev Lists <[EMAIL PROTECTED]> wrote:
  
org.apache.catalina.cluster.session.DeltaManager getAllClusterSessions
INFO: Manager []: skipping state transfer. No members active in cluster group.

this indicates that the box not working, is not receiving multicast
messages from the other nodes.
you'd need to look into the multicasting configuration in server.xml and
also on your box/network

Filip


Randy Paries wrote:
    
Hello,
I need some help.
I rolled out a new version of my web app last night
Stopped and started tomcat and now one of my boxes (they all have the
same webapp) will not attach(if that is the correct term) to the
cluster. I am doing session sharing between three tomcat servers.  I
did not change any of the server.xml stuff
I am running tomcat 5.5.15

Please help ASAP, this is a production box and not sure what to do.

this is from the catalina.out on a working Box.
      
///--------------------Stuff Deleted ---------------------------////

Filip,

thanks for responding.

All three boxes have this in the server.xml

Any ideas on how to test to see if this one box is recieving multicast messages?

        <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"

managerClassName="org.apache.catalina.cluster.session.DeltaManager"
                 expireSessionsOnShutdown="false"
                 useDirtyFlag="true"
                 notifyListenersOnReplication="true">

            <Membership
                className="org.apache.catalina.cluster.mcast.McastService"
                mcastAddr="228.0.0.9"
                mcastPort="45564"
                mcastFrequency="500"
                mcastDropTime="3000"/>

            <Receiver
                className="org.apache.catalina.cluster.tcp.ReplicationListener"
                tcpListenAddress="auto"
                tcpListenPort="4001"
                tcpSelectorTimeout="100"
                tcpThreadCount="35"/>

            <Sender

className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
                replicationMode="pooled"
                ackTimeout="15000"/>

            <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"

filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;.*\.pdf;\*.wav;\*.mp3;"/>

            <Deployer
className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
                      tempDir="/tmp/war-temp/"
                      deployDir="/tmp/war-deploy/"
                      watchDir="/tmp/war-listen/"
                      watchEnabled="false"/>

            <ClusterListener
className="org.apache.catalina.cluster.session.ClusterSessionListener"/>
        </Cluster>

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