Hello,
I have an application deployed on a tomcat 4.1.30 cluster. I retrieved a jar
from http://cvs.apache.org/~fhanik/ , a tomcat 5 clustering jar that has
been made portable for tomcat 4. We followed the instructions and setup the
server.xml for the cluster. The application is deoplyed using ant auto
deployment task.
<Context path="/test" docBase="C:\server\tomcat41\webapps\testtapp"
debug="0">
<Valve
className="org.apache.catalina.session.ReplicationValve"
filter=".*\.gif;.*\.jpg;.*\.jpeg;.*\.js"
debug="0"/>
<Manager
className="org.apache.catalina.session.InMemoryReplicationManager"
debug="10"
printToScreen="true"
saveOnRestart="false"
maxActiveSessions="-1"
minIdleSwap="-1"
maxIdleSwap="-1"
maxIdleBackup="-1"
pathname="null"
printSessionInfo="true"
checkInterval="10"
expireSessionsOnShutdown="false"
serviceclass="org.apache.catalina.cluster.mcast.McastService"
mcastAddr="224.0.0.0"
mcastPort="7800"
mcastFrequency="500"
mcastDropTime="5000"
tcpListenAddress="auto"
tcpListenPort="4001"
tcpSelectorTimeout="100"
tcpThreadCount="2"
tcpKeepAliveTime="-1"
synchronousReplication="true"
useDirtyFlag="true"
/>
Now when the cluster is started the groups is successfully established.
Suppose we have two servers A and B. When a browser hits the server A, a
session is created on server A and an attempt is made to replicate session
to server B. During the process server B hangs and is knocked off the
cluster. Any ideas why this could be happening.
Nandish Rudra
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