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From: Nandish Rudra <nrudra@calleci.com>
To: "Tomcat Users List (E-mail)" <tomcat-user@jakarta.apache.org>
Subject: clustering help
Date: Thu, 2 Dec 2004 17:08:00 -0500 
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Hello,

I an running tomcat 5.0.28 on redhat 9 and having some clustering problem.
Here are the clusternig part of server.xml and the logs. The server.xml on
both machines have the same cluster element values (see below). The
application is with all jsp's.

Sessions are created but not replicated across the machines. Can anyone
please help me with this?

server.xml:
	<Cluster
className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
 
managerClassName="org.apache.catalina.cluster.session.DeltaManager"
                 expireSessionsOnShutdown="false"
                 useDirtyFlag="true"
	 printToScreen="true">

            <Membership 
                className="org.apache.catalina.cluster.mcast.McastService"
	 name="webres-qa-cluster"
                mcastAddr="228.0.0.4"
                mcastPort="45565"
                mcastFrequency="500"
                mcastDropTime="3000"
	 printToScreen="true"
	 debug="10"/>

            <Receiver 
 
className="org.apache.catalina.cluster.tcp.ReplicationListener"
                tcpListenAddress="auto"
                tcpListenPort="4002"
                tcpSelectorTimeout="100"
                tcpThreadCount="6"
 	printToScreen="true"/>

            <Sender
 
className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
                replicationMode="synchronous"/>

            <Valve
className="org.apache.catalina.cluster.tcp.ReplicationValve"
 
filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
        <!--       
            <Deployer
className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
                      tempDir="/tmp/war-temp/"
                      deployDir="/tmp/war-deploy/"
                      watchDir="/tmp/war-listen/"
                      watchEnabled="true"/>
      -->
        </Cluster>


logs:
Dec 2, 2004 4:54:50 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Dec 2, 2004 4:54:50 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2378 ms
Dec 2, 2004 4:54:51 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Dec 2, 2004 4:54:51 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.0.28
Dec 2, 2004 4:54:51 PM org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
Dec 2, 2004 4:54:51 PM org.apache.catalina.cluster.tcp.SimpleTcpCluster
start
INFO: Cluster is about to start
Dec 2, 2004 4:54:51 PM org.apache.catalina.cluster.mcast.McastService start
INFO: Sleeping for 2000 secs to establish cluster membership
Dec 2, 2004 4:54:51 PM org.apache.catalina.cluster.tcp.SimpleTcpCluster
memberAdded
INFO: Replication member
added:org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.1.104:4002
,192.168.1.104,4002, alive=27652]
Dec 2, 2004 4:54:53 PM org.apache.catalina.core.StandardHost getDeployer
INFO: Create Host deployer for direct deployment ( non-jmx ) 
Dec 2, 2004 4:54:53 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Processing Context configuration file URL
file:/usr/local/jakarta-tomcat-5.0.28/conf/Catalina/localhost/admin.xml
Dec 2, 2004 4:54:54 PM org.apache.struts.util.PropertyMessageResources
<init>
INFO: Initializing, config='org.apache.struts.util.LocalStrings',
returnNull=true
Dec 2, 2004 4:54:54 PM org.apache.struts.util.PropertyMessageResources
<init>
INFO: Initializing, config='org.apache.struts.action.ActionResources',
returnNull=true
Dec 2, 2004 4:54:55 PM org.apache.struts.util.PropertyMessageResources
<init>
INFO: Initializing, config='org.apache.webapp.admin.ApplicationResources',
returnNull=true
Dec 2, 2004 4:54:57 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Processing Context configuration file URL
file:/usr/local/jakarta-tomcat-5.0.28/conf/Catalina/localhost/balancer.xml
Dec 2, 2004 4:54:57 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Processing Context configuration file URL
file:/usr/local/jakarta-tomcat-5.0.28/conf/Catalina/localhost/manager.xml
Dec 2, 2004 4:54:58 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Installing web application at context path  from URL
file:/usr/local/jakarta-tomcat/webapps/ROOT




Creating ClusterManager for context  using class
org.apache.catalina.cluster.session.DeltaManager (Root Context)




Dec 2, 2004 4:54:58 PM org.apache.catalina.cluster.session.DeltaManager
start
INFO: Starting clustering manager...:
Dec 2, 2004 4:54:58 PM org.apache.catalina.cluster.session.DeltaManager
start
WARNING: Manager[], requesting session state from
org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.1.104:4002,192.1
68.1.104,4002, alive=34282]. This operation will timeout if no session state
has been received within 60 seconds
Dec 2, 2004 4:54:58 PM org.apache.catalina.cluster.session.DeltaManager
start
INFO: Manager[], session state received in 110 ms.
Dec 2, 2004 4:54:58 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Installing web application at context path /jsp-examples from URL
file:/usr/local/jakarta-tomcat-5.0.28/webapps/jsp-examples
Dec 2, 2004 4:54:58 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Installing web application at context path /servlets-examples from URL
file:/usr/local/jakarta-tomcat-5.0.28/webapps/servlets-examples
Dec 2, 2004 4:54:58 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Installing web application at context path /tomcat-docs from URL
file:/usr/local/jakarta-tomcat-5.0.28/webapps/tomcat-docs
Dec 2, 2004 4:54:59 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Installing web application at context path /webdav from URL
file:/usr/local/jakarta-tomcat-5.0.28/webapps/webdav
Dec 2, 2004 4:54:59 PM org.apache.catalina.core.StandardHostDeployer install
INFO: Installing web application at context path /ROOT.ORIG from URL
file:/usr/local/jakarta-tomcat-5.0.28/webapps/ROOT.ORIG
Dec 2, 2004 4:54:59 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Dec 2, 2004 4:54:59 PM org.apache.jk.common.ChannelSocket init
INFO: JK2: ajp13 listening on /0.0.0.0:8009
Dec 2, 2004 4:54:59 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=1/260
config=/usr/local/jakarta-tomcat/conf/jk2.properties
Dec 2, 2004 4:54:59 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 8899 ms
Dec 2, 2004 4:59:09 PM
org.apache.catalina.cluster.tcp.ReplicationTransmitter addStats
INFO: Nr of bytes sent=43516 over 100 ==435 bytes/request
Dec 2, 2004 5:03:27 PM
org.apache.catalina.cluster.tcp.ReplicationTransmitter addStats
INFO: Nr of bytes sent=87184 over 200 ==435 bytes/request
Dec 2, 2004 5:03:27 PM org.apache.catalina.cluster.tcp.ReplicationValve
addClusterSendTime
INFO: Average request time=70 ms for Cluster overhead time=7 ms for 100
requests (Request=7079ms Cluster=702ms).


Regards,
Nandish Rudra
ECI Conference Call Services, LLC



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