Re: Tomcat not syncing existing sessions on restart

[Mark Thomas]

On 07/02/2024 11:43, Manak Bisht wrote:
I think I have narrowed down the problem. For Tomcat 9 (v9.0.85), using
0.0.0.0 for the local member and receiver works fine. However, the same
does not work in Tomcat 8.5 (v8.5.98).

Same JRE?

Generally, I wouldn't use 0.0.0.0, I'd use a specific IP address. I'm 
not sure how the clustering would behave with 0.0.0.0

Mark



Sincerely,
Manak Bisht


On Fri, Feb 2, 2024 at 9:41 PM Mark Thomas <ma...@apache.org> wrote:

On 31/01/2024 13:33, Manak Bisht wrote:
I tried tweaking all the settings that I could think of but I am unable
to
sync sessions on restart even on a stock Tomcat 8.5.98 installation using
your provided war. I am unable to identify whether this is actually a bug
or something wrong with my configuration (this is far more likely). Could
you please share your server.xml? Did you make any other changes?

Sincerely,
Manak Bisht

Here is the cluster configuration from the first node my test environment:

<Cluster
      className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
      channelSendOptions="6"
      >

    <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.StaticMembershipService"
          >

        <Member
            className="org.apache.catalina.tribes.membership.StaticMember"
            port="4000"
            host="192.168.23.32"
            uniqueId="{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}"
            />

        <Member
            className="org.apache.catalina.tribes.membership.StaticMember"
            port="4000"
            host="192.168.23.33"
            uniqueId="{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2}"
            />
      </Membership>

      <Receiver
          className="org.apache.catalina.tribes.transport.nio.NioReceiver"
          address="192.168.23.32"
          port="4000"
          autoBind="0"
          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"
          performReadTest="true"
          />
      <Interceptor


className="org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor"
          />
    </Channel>

    <Deployer
        className="org.apache.catalina.ha.deploy.FarmWarDeployer"
        tempDir="cluster-temp"
        deployDir="webapps"
        watchDir="cluster-watch"
        watchEnabled="true"
        />

    <Valve
        className="org.apache.catalina.ha.tcp.ReplicationValve"
        filter=""
        />

    <Valve
        className="org.apache.catalina.ha.session.JvmRouteBinderValve"
        />

    <ClusterListener
       className="org.apache.catalina.ha.session.ClusterSessionListener"
         />

</Cluster>

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