Yes I tried, it is all the same. Either I'm hitting a platform bug (which is HP-UX 11.31 Itanium JVM 1.6.0.03) or a tomcat 6.0.18 bug.
I'll try exactly the same configuration on my debian and see if anything is different at all. Robin Wilson-5 wrote: > > Sorry I can't be more help - I'm still trying to figure this out myself. > > What happens if you use 'channelsendoptions=6' instead of '8'? > > -- > Robin D. Wilson > Director of Web Development > KingsIsle Entertainment, Inc. > WORK: 512-623-5913 > CELL: 512-426-3929 > www.KingsIsle.com > > > > -----Original Message----- > From: Kursat Tuncel [mailto:kursat.tun...@gmail.com] > Sent: Friday, April 24, 2009 6:39 PM > To: users@tomcat.apache.org > Subject: RE: Problem with DeltaManager & BackupManager > > > Hi Robin, > > Yes, /var/tomcat$n/webapps/examples/WEB-INF/web.xml contains > <distributable/> > and > > /var/tomcat$n/conf/context.xml is like this: > > <!-- > <Manager pathname="" /> > --> > > I think the problem is somewhat deeper. Because I can see from the logs > that > sessions are replicated when I use BackupManager. I mean, I only change > DeltaManager to BackupManager, open 4 terminal and do > > tail -f /var/tomcat$n/logs/localhost.2009-04-25.log > > for each instance and > > see the following message: > > (instance 2) > Apr 25, 2009 2:29:00 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > sessionCreated('4A173B54F43792042A4FDB991D48C409.s2') > Apr 25, 2009 2:29:00 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > attributeAdded('4A173B54F43792042A4FDB991D48C409.s2', > 'numguess', 'num.numberguessb...@4b2dd538') > > (intance 4 log message) > > INFO: SessionListener: > attributeAdded('4A173B54F43792042A4FDB991D48C409.s2', > 'numguess', 'num.numberguessb...@3c6833f2') > Apr 25, 2009 2:29:00 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > attributeReplaced('4A173B54F43792042A4FDB991D48C409.s2', 'numguess', > 'num.numberguessb...@3c6833f2') > Apr 25, 2009 2:29:00 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > attributeReplaced('4A173B54F43792042A4FDB991D48C409.s2', 'numguess', > 'num.numberguessb...@5d2a73d9') > Apr 25, 2009 2:29:01 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > attributeReplaced('4A173B54F43792042A4FDB991D48C409.s2', 'numguess', > 'num.numberguessb...@e1bdb58') > Apr 25, 2009 2:29:01 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > attributeReplaced('4A173B54F43792042A4FDB991D48C409.s2', 'numguess', > 'num.numberguessb...@46dd75a4') > --- > (no log in instance 1 and 3) > > First, BackupManager seems to select the backup node arbitrarly. In this > example, I created the session on jvmRoute s2, it replicated in on s4 > which > seemed random to me. In order to eliminate this random behavior, I tried > switching to DeltaManager with exactly same configuration, > > Here is the result: > > (all instance logs shows this) > Apr 25, 2009 2:33:51 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > sessionCreated('3DA2A86518AC780A0832669D168B66FD.s2') > Apr 25, 2009 2:33:51 AM org.apache.catalina.core.ApplicationContext log > INFO: SessionListener: > attributeAdded('3DA2A86518AC780A0832669D168B66FD.s2', > 'numguess', 'num.numberguessb...@2fe6e305') > > -- > > When I refresh the "jsp", I'm changing the session attribute because I can > see from the example: > [Good guess, but nope. Try lower. You have made 18 guesses.] > > > and balancer-manager shows > > Worker URL Route RouteRedir Factor Set Status Elected To > From > ajp://127.0.0.1:12001 s1 1 0 Ok 0 0 > 0 > ajp://127.0.0.1:12002 s2 1 0 Ok 18 0 > 22K > ajp://127.0.0.1:12003 s3 1 0 Ok 0 0 > 0 > ajp://127.0.0.1:12004 s4 1 0 Ok 0 0 > 0 > > > But there is nothing in the log as the one in BackupManager > (attributeReplaced..) > > So, normally, when I disable "s2" route, session should continue, I must > see > the "counter" in the jsp increasing, but it starts over. > > Thank you. > (sorry for typos) > > > > Robin Wilson-5 wrote: >> >> Did you comment out the <Manager pathname="" /> line in 'context.xml'? >> If >> you leave that it, it doesn't use the manager you defined for the >> cluster. >> >> Also, is your web app defined as '<distributable />' in the 'web.xml' >> file >> from the webapp dir? >> >> >> -- >> Robin D. Wilson >> Director of Web Development >> KingsIsle Entertainment, Inc. >> WORK: 512-623-5913 >> CELL: 512-426-3929 >> www.KingsIsle.com >> >> >> >> -----Original Message----- >> From: Kursat Tuncel [mailto:kursat.tun...@gmail.com] >> Sent: Friday, April 24, 2009 6:12 PM >> To: users@tomcat.apache.org >> Subject: Problem with DeltaManager & BackupManager >> >> >> Hi All, >> >> I'm trying to setup a Tomcat Cluster configuration by using the example >> provided in http://www.mbaworld.com/docs/cluster-howto.html >> >> My problem is actually a bit strange. I've been digging the problem for 2 >> days but no success. >> >> Here is my configuration: >> >> 4 Tomcat instances on the same machine, version 6.0.18 >> I'm using apache as the http connector, version Apache/2.2.11. >> >> Here is my httpd.conf: >> [...] >> <Proxy balancer://ajpCluster> >> BalancerMember ajp://127.0.0.1:12001 route=s1 >> BalancerMember ajp://127.0.0.1:12002 route=s2 >> BalancerMember ajp://127.0.0.1:12003 route=s3 >> BalancerMember ajp://127.0.0.1:12004 route=s4 >> </Proxy> >> <Location /examples> >> ProxyPass balancer://ajpCluster/examples stickysession=JSESSIONID >> </Location> >> [...] >> >> Here are the 4 tomcat instances seperate config file >> (each located in /var/tomcat[1-n] as CATALINA_BASE, properly configure >> startup/shutdown scripts, ports etc.) >> >> --- >> <Engine name="Catalina" defaultHost="localhost" jvmRoute="s1"> >> >> <!-- The request dumper valve dumps useful debugging information >> about >> the request and response data received and sent by Tomcat. >> Documentation at: /docs/config/valve.html --> >> >> <!-- >> <Valve className="org.apache.catalina.valves.RequestDumperValve"/> >> --> >> >> <!-- This Realm uses the UserDatabase configured in the global JNDI >> resources under the key "UserDatabase". Any edits >> that are performed against this UserDatabase are immediately >> available for use by the Realm. --> >> <Realm className="org.apache.catalina.realm.UserDatabaseRealm" >> resourceName="UserDatabase"/> >> >> <!-- Define the default virtual host >> Note: XML Schema validation will not work with Xerces 2.2. >> --> >> <Host name="localhost" appBase="webapps" >> unpackWARs="true" autoDeploy="true" >> xmlValidation="false" xmlNamespaceAware="false"> >> >> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster" >> channelSendOptions="8"> >> >> <Manager >> className="org.apache.catalina.ha.session.DeltaManager" >> expireSessionsOnShutdown="false" >> notifyListenersOnReplication="true"/> >> >> <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"/> >> <Receiver >> className="org.apache.catalina.tribes.transport.nio.NioReceiver" >> address="auto" >> port="14001" >> 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"/> >> >> <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.JvmRouteSessionIDBinderListener"/> >> <ClusterListener >> className="org.apache.catalina.ha.session.ClusterSessionListener"/> >> </Cluster> >> </Host> >> </Engine> >> --- >> >> jvmRoute value and NioReceiver port value is 1-n for all 4 tomcat >> instances >> (i.e., s1, s2, s3, s4 and >> 14001, 14002, 14003, 14004 for the instances) >> >> >> Theoretically, this configuration should work. >> >> I deployed "examples" application provided in tomcat examples and made it >> "</distributable>" in web.xml of the application. I also used "Number >> guess" >> game provided in examples application. I had to modify NumGuessBean.java >> to >> implement java.io.Serializable. >> >> So my setup seems ok upto now. >> >> When I start tomcat instances, and run the example, I see from the >> localhost.xxx.log that session is created on all nodes. >> >> i.e. >> .. >> INFO: SessionListener: >> sessionCreated('78C5694D20B69F54D5CEBD26F10D788D.s1') >> Apr 25, 2009 1:34:51 AM org.apache.catalina.core.ApplicationContext log >> INFO: SessionListener: >> attributeAdded('78C5694D20B69F54D5CEBD26F10D788D.s1', >> 'numguess', 'num.numberguessb...@19de0b5e') >> .. >> >> Now my problem starts where. >> >> When I start changing the value of session attribute by hitting "Refresh" >> button, I don't see any replication happenning. Normally, I should see >> "attributeReplaced" messages in the log. How to I know this, because >> exactly >> same configuration but using "BackupManager" instead of "DeltaManager" it >> happens exactly like this. But BackupManager only "backups" to one node >> to >> another, i.e., it replicates deltas between two instances only, and the >> choice of selecting this backupnode seems to be completely arbitrary. >> These >> is nothing in the documentation how backup node is selected. >> >> Also using balancer-manager handler in Apache, I disable the jvm instance >> that my session was created and redirect it to another JVM. With >> deltaManager, session start from beginning. With backup manager, session >> continues only if I can select the right jvm, that is the backup of the >> instance. >> >> So it seems that I'm stuck with setting up a cluster configuration. >> >> Has anyone tried Tomcat 6.0.18 with Apache 2.2.11, sticky session mode >> with >> mod_proxy_ajp? >> >> I'm stucked with this configuration. >> -- >> View this message in context: >> http://www.nabble.com/Problem-with-DeltaManager---BackupManager-tp23226268p23226268.html >> Sent from the Tomcat - User mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> >> > > -- > View this message in context: > http://www.nabble.com/Problem-with-DeltaManager---BackupManager-tp23226268p23226529.html > Sent from the Tomcat - User mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > > -- View this message in context: http://www.nabble.com/Problem-with-DeltaManager---BackupManager-tp23226268p23226619.html Sent from the Tomcat - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
