On 10/11/2011 10:20, uwe.hellm...@t-systems.com wrote: > Hello together, > > I am using to Tomcat 5.5.26 Servers. I took over the responsibility for this > system some time ago. > Since then we already got the following error message. > > SEVERE: Manager [/mywebapp]: Unable to receive message through TCP channel > java.lang.ClassNotFoundException: > > After questioning what this error is about I got no response but the comment > that everything is running fine. > So I haven't searhc after it. But now after having a rollout of new servlet > version we have some serious > performance issues. And now I have to check for every severe error message I > can find. > But unfornatly I haven't found a solution or cause for this. > The only thing which I have found is a posting that this might be a problem > of the tomcats version and > that this might be a bug which was solved in 5.5.28. Is this correct?
How can we judge whether the posting is accurate if you don't post a link to it? Do you have exactly the same versions of the application deployed on each node of the cluster? Is there a reason why you aren't upgrading to the latest version of 5.5 (5.5.34)? p > The cluster configuration part in server.xml looks like a standard > configuration: > > <Host name="localhost" appBase="webapps" > unpackWARs="true" autoDeploy="true" > xmlValidation="false" xmlNamespaceAware="false"> > > <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="228.0.0.4" > mcastPort="45564" > mcastFrequency="500" > mcastDropTime="3000"/> > > <Receiver > > className="org.apache.catalina.cluster.tcp.ReplicationListener" > tcpListenAddress="auto" > tcpListenPort="4002" > tcpSelectorTimeout="100" > tcpThreadCount="6"/> > > <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;.*\.css;.*\.txt;"/> > > <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> > > I found out thatwe are not using the Deployer context. It is just configured, > but both Tomcats servers use a > deployment path on its local storage. > > Has somebody an idea? > > > Mit freundlichen Grüßen / Yours sincerely > > Uwe Hellmann > > T-Systems International GmbH > Production CSS > GCU Large Accounts > AC Express & Logistics LT1 > > Gradestr. 20, 30163 Hannover > +49 511 333 - 1233 (Tel.) > +49 511 333 - 1287 (Fax) > Email: uwe.hellm...@t-systems.com<mailto:uwe.hellm...@t-systems.com> > Internet: http://www.t-systems.com<http://www.t-systems.com/> > > T-Systems International GmbH > Aufsichtsrat: René Obermann (Vorsitzender) > Geschäftsführung: Reinhard Clemens (Vorsitzender), Dr. Ferri Abolhassan, > Ulrich Meister, Georg Pepping, Hagen Rickmann, Dietmar Wendt, Klaus Werner > Handelsregister: Amtsgericht Frankfurt am Main HRB 55933 > Sitz der Gesellschaft: Frankfurt am Main > > > Notice: This transmittal and/or attachments may be privileged or > confidential. If you are not the intended recipient, you are hereby notified > that you have received this transmittal in error; any review, dissemination, > or copying is strictly prohibited. If you received this transmittal in error, > please notify us immediately by reply and immediately delete this message and > all its attachments. Thank you. > > > -- [key:62590808]
signature.asc
Description: OpenPGP digital signature
