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On 12/9/2014 9:48 AM, Daniel Mikusa wrote:
> On Tue, Dec 9, 2014 at 9:16 AM, Théo Chamley <[email protected]>
> 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 <[email protected]>
>>> 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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>>>>
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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
- From my Tomcat 7 cluster experiment (check the documentation to see if
things have changed in Tomcat 8):
# logging.properties
# all one line
# note 5cluster.org.apache.juli.FileHandler at the end
#
handlers = 1catalina.org.apache.juli.FileHandler,
2localhost.org.apache.juli.FileHandler,
3manager.org.apache.juli.FileHandler,
4host-manager.org.apache.juli.FileHandler,
java.util.logging.ConsoleHandler,5cluster.org.apache.juli.FileHandler
# defining the general log information
#
5cluster.org.apache.juli.FileHandler.level = FINER
5cluster.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
5cluster.org.apache.juli.FileHandler.prefix = cluster.
# cluster logs - have removed farm deployer log configuration
# beware the line wrap
#
org.apache.catalina.tribes.MESSAGES.level = FINE
org.apache.catalina.tribes.MESSAGES.handlers =
5cluster.org.apache.juli.FileHandler
org.apache.catalina.tribes.level = FINE
org.apache.catalina.tribes.handlers = 5cluster.org.apache.juli.FileHandler
org.apache.catalina.ha.level = FINE
org.apache.catalina.ha.handlers = 5cluster.org.apache.juli.FileHander
. . . just my two cents
/mde/
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