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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: session replication issue
Date Mon, 09 Dec 2013 21:55:32 GMT
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Dhaval,

On 12/9/13, 3:04 PM, Dhaval Jaiswal wrote:
> setting of session replication worked well. However, we do have
> threading in some products. Like we are hitting the target API and
> getting response from there servers. If will not get the response
> will hit them after some time and in this case threading not
> handled by session replication because of session timeout and shows
> below errors.

Can you explain this with a little more detail?

> After some time the server starts getting high load.

The high-load is caused by greater client load, or because of the
replication re-tried, etc.?

- -chris

> SEVERE: Unable to replicate backup key: 
> AE8095AB32A4DCA0AFD7117F6F32210C.t7 to 
> backup:org.apache.catalina.tribes.membership.MemberImpl[tcp://{-64,
> -88, 3, 12}:4001,{-64, -88, 3, 12},4001, alive=30639540,id={77 33
> -17 95 -79 -80 79 2 -104 -102 -73 29 -100 39 -59 -111 },
> payload={}, command={}, domain={}, ]. Reason:Operation has timed
> out(60000 ms.).; Faulty members:tcp://{-64, -88, 3, 12}:4001; 
> org.apache.catalina.tribes.ChannelException: Operation has timed
> out(60000 ms.).; Faulty members:tcp://{-64, -88, 3, 12}:4001;
> 
> How can i address above issue or just by increasing time out value.
> Please explain me.
> 
> 
> 
> 
> 
> server.xml for session replicaiton.
> 
> 
> <Manager className="org.apache.catalina.ha.session.BackupManager" 
> expireSessionsOnShutdown="false" 
> notifyListenersOnReplication="true" mapSendOptions="6"/> <Channel 
> className="org.apache.catalina.tribes.group.GroupChannel"> 
> <Membership 
> className="org.apache.catalina.tribes.membership.McastService" 
> address="228.0.0.4" port="45565" frequency="500" 
> dropTime="30000"/> <Receiver 
> className="org.apache.catalina.tribes.transport.nio.NioReceiver" 
> address="auto" port="5000" selectorTimeout="5000" timeout="60000" 
> maxThreads="6"/> <Sender 
> className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
>
> 
<Transport
> className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"
>
> 
timeout="60000" keepAliveCount="0"/>
> </Sender> <Interceptor 
> className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/>
>
> 
<Interceptor
> className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor"/>
>
> 
<Interceptor
> className="org.apache.catalina.tribes.group.interceptors.ThroughputInterceptor"/>
>
>  </Channel> <Valve
> className="org.apache.catalina.ha.tcp.ReplicationValve"
> 
> filter=".*\.gif|.*\.js|.*\.jpeg|.*\.jpg|.*\.png|.*\.htm|.*\.html|.*\.css|.*\.txt"/>
>
> 
<Valve
> className="org.apache.catalina.ha.session.JvmRouteBinderValve"/> 
> <ClusterListener 
> className="org.apache.catalina.ha.session.ClusterSessionListener"/>
>
> 
<ClusterListener
> className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/>
>
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