On Tue, Dec 9, 2014 at 9:16 AM, Théo Chamley <theo...@mley.fr> wrote:
> On 2014-12-08 21:22, Ameer Mawia wrote:
>
>> Hi Theo,
>>
>> Since you are using static membership and NOT dynamic(multi-cast) which
>> auto-detect members, my current understanding says that you will have to
>> add entry of all the members of your cluster in each of nodes server.xml.
>> Example:
>>
>> My cluster has two nodes. So to configure these I had add these two
>> members
>> entries in both node's server.xml(since running on the same machine, they
>> have varying port with same ip):
>>
>> <Interceptor
>> className="org.apache.catalina.tribes.group.interceptors.
>> StaticMembershipInterceptor">
>> <Member
>> className="org.apache.catalina.tribes.membership.StaticMember"
>> port="4000"
>> host="192.168.1.6"
>> uniqueId="{10,1,0,100,0,0,0,0,0,0,0,0,0,0,0,0}"/>
>>
>> <Member
>> className="org.apache.catalina.tribes.membership.StaticMember"
>> port="4001"
>> host="192.168.1.6"
>> uniqueId="{10,1,0,101,0,0,0,0,0,0,0,0,0,0,0,0}"/>
>>
>> Regards,
>> Ameer Mawia
>>
>>
>> On Mon, Dec 8, 2014 at 8:26 PM, Théo Chamley <theo...@mley.fr> wrote:
>>
>> Hello,
>>>
>>> I am trying to setup a simple Tomcat cluster with static membership. I
>>> can't use multicast because I am on a virtualization environment that
>>> does
>>> not allow it.
>>>
>>> Debian 7
>>> Tomcat 8.0.14
>>> Oracle JVM 1.8.0_25
>>>
>>> Both Tomcat are ok on their own, but I can't seem to make the clustering
>>> work: the sessions are not replicated from one to another.
>>> Following the official documentation, I wrote this configuration :
>>>
>>> <Engine name="Catalina" defaultHost="localhost">
>>> <Cluster className="org.apache.catalina.ha.tcp.
>>> SimpleTcpCluster">
>>> <Manager className="org.apache.catalina.ha.session.
>>> BackupManager"
>>> expireSessionsOnShutdown="false"
>>> notifyListenersOnReplication="true"
>>> mapSendOptions="6"/>
>>> <Channel className="org.apache.catalina.tribes.group.
>>> GroupChannel">
>>> <Receiver className="org.apache.
>>> catalina.tribes.transport.nio.NioReceiver"
>>> address="0.0.0.0"
>>> port="4110"
>>> selectorTimeout="100"
>>> maxThreads="6"/>
>>>
>>> <Interceptor className="org.apache.catalina.tribes.group.
>>> interceptors.StaticMembershipInterceptor">
>>> <Member className="org.apache.
>>> catalina.tribes.membership.StaticMember"
>>> port="4110"
>>> host="my.server.1"
>>> domain="staging-cluster"
>>> uniqueId="{1,2,3,4,5,6,7,8,9,
>>> 10,11,12,13,14,15,0}"/>
>>> </Interceptor>
>>>
>>> <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"/>
>>> <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|.*\.css|.
>>> *\.txt"/>
>>> <ClusterListener className="org.apache.catalina.ha.session.
>>> ClusterSessionListener"/>
>>> </Cluster>
>>> [...]
>>> </Engine>
>>>
>>> Note: I changed the host and uniqId on the StaticMembershipInterceptor on
>>> the other Tomcat.
>>>
>>> This is not a network problem as I can telnet into the 4110 port from one
>>> server to another.
>>> Also, by running a tcpdump, I can't see any trafic between the two
>>> servers.
>>>
>>> The Tomcats seem to be doing something, because I have the following in
>>> my
>>> catalina.out:
>>>
>>> ******
>>> 08-Dec-2014 15:38:15.309 INFO [main] org.apache.catalina.ha.tcp.
>>> SimpleTcpCluster.startInternal
>>> Cluster is about to start
>>> 08-Dec-2014 15:38:15.312 INFO [main] org.apache.catalina.tribes.
>>> transport.ReceiverBase.bind
>>> Receiver Server Socket bound to:/0.0.0.0:4110
>>> 08-Dec-2014 15:38:15.328 INFO [Thread-5] org.apache.catalina.ha.tcp.
>>> SimpleTcpCluster.memberAdded
>>> Replication member added:org.apache.catalina.tribes.membership.
>>> StaticMember[t
>>> cp://my.server.1:4110,my.server.1,4110, alive=0, securePort=-1, UDP
>>> Port=-1, id={1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 }, payload={},
>>> command={}, domain={115 116 97
>>> 103 105 110 103 45 99 ...(15)}, ]
>>> 08-Dec-2014 15:38:15.330 INFO [main] org.apache.catalina.tribes.
>>> membership.McastServiceImpl.setupSocket Setting cluster mcast soTimeout
>>> to 500
>>> 08-Dec-2014 15:38:15.332 INFO [main] org.apache.catalina.tribes.
>>> membership.McastServiceImpl.waitForMembers Sleeping for 1000
>>> milliseconds
>>> to establish cluster membership, sta
>>> rt level:4
>>> 08-Dec-2014 15:38:16.155 INFO [Membership-MemberAdded.]
>>> org.apache.catalina.ha.tcp.SimpleTcpCluster.memberAdded Replication
>>> member added:org.apache.catalina.tribes.membership
>>> .MemberImpl[tcp://{0, 0, 0, 0}:4110,{0, 0, 0, 0},4110, alive=1277686,
>>> securePort=-1, UDP Port=-1, id={-22 -45 110 -29 21 -22 75 95 -103 86 95
>>> -119 15 48 -17 -27 }, payload={}
>>> , command={}, domain={}, ]
>>> 08-Dec-2014 15:38:16.259 INFO [Tribes-Task-Receiver-1]
>>> org.apache.catalina.tribes.io.BufferPool.getBufferPool Created a buffer
>>> pool with max size:104857600 bytes of type:
>>> org.apache.catalina.tribes.io.
>>> BufferPool15Impl
>>> 08-Dec-2014 15:38:16.332 INFO [main] org.apache.catalina.tribes.
>>> membership.McastServiceImpl.waitForMembers Done sleeping, membership
>>> established, start level:4
>>> 08-Dec-2014 15:38:16.335 INFO [main] org.apache.catalina.tribes.
>>> membership.McastServiceImpl.waitForMembers Sleeping for 1000
>>> milliseconds
>>> to establish cluster membership, start level:8
>>> 08-Dec-2014 15:38:17.335 INFO [main] org.apache.catalina.tribes.
>>> membership.McastServiceImpl.waitForMembers Done sleeping, membership
>>> established, start level:8
>>> ******
>>>
>>> Could someone, please, help me finding what I am doing wrong?
>>>
>>> Thanks,
>>>
>>> Théo C.
>>>
>>>
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>>>
>>>
>>>
> Hello,
>
> Thank you for your answer. Indeed, I need both nodes in the Interceptor,
> but something else is wrong.
> I missed it the first time, but the official documentation mentions that
> the TcpFailureDetector must be above the StaticMembershipInterceptor.
> I suspect that it is also true of the other Interceptors, but I'm not sure.
>
> Here is my conf right now. I made some progress: I now have trafic between
> the two servers on the port 4110. Its regularity makes my think it's a
> heartbeat.
> However, the two Tomcat still do not share any sessions.
>
> <Engine name="Catalina" defaultHost="localhost">
> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
> channelStartOptions="3">
>
> <Manager className="org.apache.catalina.ha.session.
> DeltaManager"
> expireSessionsOnShutdown="false"
> notifyListenersOnReplication="true"/>
>
> <Channel className="org.apache.catalina.tribes.group.
> GroupChannel">
> <Receiver className="org.apache.
> catalina.tribes.transport.nio.NioReceiver"
> address="0.0.0.0"
> port="4110"
> selectorTimeout="100"
> 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.TcpPingInterceptor"/>
> <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.StaticMembershipInterceptor">
> <Member className="org.apache.
> catalina.tribes.membership.StaticMember"
> port="4110"
> host="my.server.1"
> domain="staging-cluster"
> uniqueId="{1,2,3,4,5,6,7,8,9,
> 10,11,12,13,14,15,0}"/>
> <Member className="org.apache.
> catalina.tribes.membership.StaticMember"
> port="4110"
> host="my.server.2"
> domain="staging-cluster"
> uniqueId="{0,1,2,3,4,5,6,7,8,
> 9,10,11,12,13,14,15}"/>
> </Interceptor>
> </Channel>
> <Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
> filter=".*\.gif|.*\.js|.*\.jpeg|.*\.jpg|.*\.png|.*\.css|.
> *\.txt"/>
> <Valve className="org.apache.catalina.ha.session.
> JvmRouteBinderValve"/>
> <ClusterListener className="org.apache.catalina.ha.session.
> ClusterSessionListener"/>
> </Cluster>
> [...]
> </Engine>
>
>
> Is there some way for me to debug what is happening?
Have you turned on debug level logging? Maybe try packages like
"org.apache.catalina.ha" and "org.apache.catalina.tribes". From what I
remember, it spits out a lot of information.
Dan
> To examine the cluster state?
>
> Thank you again,
>
> Théo C.
>
>
>
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