ping 224.0.0.1 PING 224.0.0.1 (224.0.0.1) 56(84) bytes of data. 64 bytes from 192.168.3.254: icmp_seq=1 ttl=255 time=0.895 ms 64 bytes from 192.168.3.254: icmp_seq=2 ttl=255 time=0.693 ms 64 bytes from 192.168.3.254: icmp_seq=3 ttl=255 time=0.686 ms
Mitch Filip Hanik - Dev Lists wrote: > > correct, you're members are not discovering each other. > and its purely multicast related. > > what do you get when you do > > ping 224.0.0.1 > > Filip > > On 07/16/2009 05:16 PM, Mitch Claborn wrote: >> Not having much luck getting a simple cluster to work. Using nginx as >> a front end/load balancer against two tomcat instances on the same >> machine (for now). SuSE Linux 11.1. I see this message in the startup >> log, making me think the tomcat instances are not talking: >> >> INFO: Manager [localhost#/Struts1]: skipping state transfer. No members >> active in cluster group. >> >> I have a simple test page in the web app that shows the session ID and >> the instance of tomcat that it is hitting (by server port number) and >> the session id changes whenever ngnix directs the request to a different >> instance. >> >> as far as I can tell, multicast is enabled on eth0: >> eth0 Link encap:Ethernet HWaddr 00:1D:09:C4:C2:9A >> inet addr:192.168.3.5 Bcast:192.168.3.255 >> Mask:255.255.255.0 >> inet6 addr: fe80::21d:9ff:fec4:c29a/64 Scope:Link >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >> >> I've added a route for the mulitcast address to eth0: >> Kernel IP routing table >> Destination Gateway Genmask Flags Metric Ref Use >> Iface >> 228.0.0.4 0.0.0.0 255.255.255.255 UH 0 0 >> 0 eth0 >> 192.168.3.0 0.0.0.0 255.255.255.0 U 1 0 >> 0 eth0 >> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 >> 0 lo >> 0.0.0.0 192.168.3.254 0.0.0.0 UG 0 0 >> 0 eth0 >> >> localhost is mapped to the eth0 interface: >> ping localhost >> PING mlcx300 (192.168.3.5) 56(84) bytes of data. >> 64 bytes from mlcx300 (192.168.3.5): icmp_seq=1 ttl=64 time=0.046 ms >> >> >> >> I've tried the simple config: >> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/> >> >> as well as the detailed config below. Any pointers or ideas are >> welcome. >> >> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster" >> channelSendOptions="6"> >> >> <Manager >> className="org.apache.catalina.ha.session.DeltaManager" >> name="MMClusterManatger" >> expireSessionsOnShutdown="false" >> notifyListenersOnReplication="true"/> >> >> <Channel >> className="org.apache.catalina.tribes.group.GroupChannel"> >> <Membership >> className="org.apache.catalina.tribes.membership.McastService" >> address="228.0.0.4" >> port="45564" >> frequency="500" >> dropTime="3000"/> >> <Receiver >> className="org.apache.catalina.tribes.transport.nio.NioReceiver" >> address="auto" >> port="5000" >> autoBind="100" >> selectorTimeout="100" >> minThreads="2" >> maxThreads="6"/> >> >> <Sender >> className="org.apache.catalina.tribes.transport.ReplicationTransmitter"> >> <Transport >> className="org.apache.catalina.tribes.transport.nio.PooledParallelSender" >> >> poolSize="25"/> >> </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;.*\.jpg;.*\.png;.*\.css;.*\.txt;" >> statistics="true" >> /> >> >> <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> >> >> >> >> Here are the cluster related messages from the startup of instance 2: >> >> INFO: Cluster is about to start >> Jul 16, 2009 6:03:26 PM >> org.apache.catalina.tribes.transport.ReceiverBase bind >> INFO: Receiver Server Socket bound to:/192.168.3.5:4001 >> Jul 16, 2009 6:03:26 PM >> org.apache.catalina.tribes.membership.McastServiceImpl setupSocket >> INFO: Setting cluster mcast soTimeout to 500 >> Jul 16, 2009 6:03:26 PM >> org.apache.catalina.tribes.membership.McastServiceImpl waitForMembers >> INFO: Sleeping for 1000 milliseconds to establish cluster membership, >> start level:4 >> Jul 16, 2009 6:03:27 PM >> org.apache.catalina.tribes.membership.McastServiceImpl waitForMembers >> INFO: Done sleeping, membership established, start level:4 >> Jul 16, 2009 6:03:27 PM >> org.apache.catalina.tribes.membership.McastServiceImpl waitForMembers >> INFO: Sleeping for 1000 milliseconds to establish cluster membership, >> start level:8 >> Jul 16, 2009 6:03:28 PM >> org.apache.catalina.tribes.membership.McastServiceImpl waitForMembers >> INFO: Done sleeping, membership established, start level:8 >> Jul 16, 2009 6:03:29 PM org.apache.catalina.ha.session.DeltaManager >> start >> INFO: Register manager /Struts1 to cluster element Engine with name >> Catalina >> Jul 16, 2009 6:03:29 PM org.apache.catalina.ha.session.DeltaManager >> start >> INFO: Starting clustering manager at /Struts1 >> Jul 16, 2009 6:03:29 PM org.apache.catalina.ha.session.DeltaManager >> getAllClusterSessions >> INFO: Manager [localhost#/Struts1]: skipping state transfer. No members >> active in cluster group. >> >> >> Mitch >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
