On 10/11/2011 10:20, Uwe.Hellmann@t-systems.com wrote:
> Hello together,
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> 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.
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> SEVERE: Manager [/mywebapp]: Unable to receive message through TCP chan=
nel
> java.lang.ClassNotFoundException:
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> After questioning what this error is about I got no response but the co=
mment that everything is running fine.
> So I haven't searhc after it. But now after having a rollout of new ser=
vlet version we have some serious
> performance issues. And now I have to check for every severe error mess=
age 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 pro=
blem 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 conf=
iguration:
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> <Host name=3D"localhost" appBase=3D"webapps"
> unpackWARs=3D"true" autoDeploy=3D"true"
> xmlValidation=3D"false" xmlNamespaceAware=3D"false">
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> <Cluster className=3D"org.apache.catalina.cluster.tcp.SimpleTcp=
Cluster"
> managerClassName=3D"org.apache.catalina.cluster.sessio=
n.DeltaManager"
> expireSessionsOnShutdown=3D"false"
> useDirtyFlag=3D"true"
> notifyListenersOnReplication=3D"true">
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> <Membership
> className=3D"org.apache.catalina.cluster.mcast.McastSe=
rvice"
> mcastAddr=3D"228.0.0.4"
> mcastPort=3D"45564"
> mcastFrequency=3D"500"
> mcastDropTime=3D"3000"/>
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> <Receiver
> className=3D"org.apache.catalina.cluster.tcp.Replicatio=
nListener"
> tcpListenAddress=3D"auto"
> tcpListenPort=3D"4002"
> tcpSelectorTimeout=3D"100"
> tcpThreadCount=3D"6"/>
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> <Sender
> className=3D"org.apache.catalina.cluster.tcp.Replicatio=
nTransmitter"
> replicationMode=3D"pooled"
> ackTimeout=3D"15000"/>
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> <Valve className=3D"org.apache.catalina.cluster.tcp.Replica=
tionValve"
> filter=3D".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.css;.*\.tx=
t;"/>
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> <Deployer className=3D"org.apache.catalina.cluster.deploy.F=
armWarDeployer"
> tempDir=3D"/tmp/war-temp/"
> deployDir=3D"/tmp/war-deploy/"
> watchDir=3D"/tmp/war-listen/"
> watchEnabled=3D"false"/>
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> <ClusterListener
> className=3D"org.apache.catalina.cluster.session.Cluste=
rSessionListener"/>
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> </Cluster>
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> I found out thatwe are not using the Deployer context. It is just confi=
gured, but both Tomcats servers use a
> deployment path on its local storage.
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> Has somebody an idea?
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> Mit freundlichen Gr=FC=DFen / Yours sincerely
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> Uwe Hellmann
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> T-Systems International GmbH
> Production CSS
> GCU Large Accounts
> AC Express & Logistics LT1
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> Gradestr. 20, 30163 Hannover
> +49 511 333 - 1233 (Tel.)
> +49 511 333 - 1287 (Fax)
> Email: uwe.hellmann@t-systems.com<mailto:uwe.hellmann@t-systems.com>
> Internet: http://www.t-systems.com<http://www.t-systems.com/>
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> T-Systems International GmbH
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> Handelsregister: Amtsgericht Frankfurt am Main HRB 55933
> Sitz der Gesellschaft: Frankfurt am Main
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