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Scott,
I'm no Tomcat-clustering expert, but...
On 8/28/18 13:59, Scott Evans wrote:
> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
> channelSendOptions="10" channelStartOptions="3">
>
> <Manager className="org.apache.catalina.ha.session.BackupManager"
> expireSessionsOnShutdown="false"
> notifyListenersOnReplication="true" mapSendOptions="10" />
>
> <Channel
> className="org.apache.catalina.tribes.group.GroupChannel">
> <Membership
> className="org.apache.catalina.tribes.membership.McastService"
> address="228.1.0.13" port="45522" frequency="500" dropTime="15000"
> soTimeout="10000" domain="mercer"/> <Receiver
> className="org.apache.catalina.tribes.transport.nio.NioReceiver"
> address="10.255.250.34" port="4003" selectorTimeout="8000"
> maxThreads="25" />
>
> <Sender
> className="org.apache.catalina.tribes.transport.ReplicationTransmitter
">
>
>
<Transport
> className="org.apache.catalina.tribes.transport.nio.PooledParallelSend
er"
>
>
timeout="8000" poolSize="25"
> /> </Sender> <Interceptor
> className="org.apache.catalina.tribes.group.interceptors.TcpPingInterc
eptor"/>
>
>
<Interceptor
> className="org.apache.catalina.tribes.group.interceptors.TcpFailureDet
ector"/>
>
>
<Interceptor
> className="org.apache.catalina.tribes.group.interceptors.MessageDispat
ch15Interceptor"/>
>
>
>
> <Interceptor
> className="org.apache.catalina.tribes.group.interceptors.StaticMembers
hipInterceptor">
>
> <LocalMember
> className="org.apache.catalina.tribes.membership.StaticMember"
> domain="mercer" uniqueId="{5,6,7,0,1,2,3,4,0,0,0,0,0,0,1,0}"/>
>
> <Member
> className="org.apache.catalina.tribes.membership.StaticMember"
> port="4001" host="10.255.250.35" domain="mercer"
> uniqueId="{5,6,7,0,1,2,3,4,0,0,0,0,0,0,0,0}" />
>
> <Member
> className="org.apache.catalina.tribes.membership.StaticMember"
> port="4002" host="10.255.250.35" domain="mercer"
> uniqueId="{5,6,7,0,1,2,3,4,0,0,0,0,0,0,0,1}" />
>
> <Member
> className="org.apache.catalina.tribes.membership.StaticMember"
> port="4004" host="10.255.250.34" domain="mercer"
> uniqueId="{5,6,7,0,1,2,3,4,0,0,0,0,0,0,1,1}" />
>
> </Interceptor>
>
>
> </Channel>
>
> <Valve className="org.apache.catalina.ha.tcp.ForceReplicationValve"
> /> <Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
> filter=".*javax\.faces\.resource.*"/> <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.ClusterSessionListener"/>-->
>
>
</Cluster>
It looks like you have both multicast AND static membership enabled.
Keichi's presentation on Clustering at ApacheCon Miami (2017) has a
slide (it's slide #38 here:
https://events.static.linuxfound.org/sites/events/files/slides/TomcatClu
ster_3.pdf)
that says that using static-membership requires that you disable
multicast.
Also, just confirming that you have two Tomcat nodes on one IP address
(10.255.250.35, ports 4001 and 4002).
Can you post a thread dump of a deadlock situation? Only the
deadlocked threads should really be necessary to post. Can you
replicate the deadlock without using your own full application? That
is, can you create a simple application that can be used to reproduce
this on a similarly-configured test instance (cluster) of Tomcat nodes?
- -chris
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