Hi Tharindu, Did you also get the following error?
ERROR - Axis2LoadBalanceMembershipHandler A LoadBalanceEventHandler has not been specified in the axis2.xml file for the domain apache.axis2.application.domain Best Regards, Malaka On Mon, Dec 9, 2013 at 1:58 PM, Tharindu Perera <[email protected]> wrote: > Hi all, > > when running ESB > Sample 57: Dynamic load balancing between 3 > nodes<http://docs.wso2.org/display/ESB480/Sample+57%3A+Dynamic+load+balancing+between+3+nodes> > > I cannot seem to configure the cluster properly. I have edited the > axis2.xml and set both mcastBindAddress , localMemberHost to 127.0.0.1 and > enabled clustering. After running the ESB in the specific setup It does not > communicate with the cluster. > > This is the Error that is logged > > [2013-12-09 13:44:20,004] ERROR - NativeWorkerPool Uncaught exception > java.lang.NullPointerException > at > org.apache.synapse.core.axis2.Axis2LoadBalanceMembershipHandler.getNextApplicationMember(Axis2LoadBalanceMembershipHandler.java:92) > at > org.apache.synapse.endpoints.DynamicLoadbalanceEndpoint.send(DynamicLoadbalanceEndpoint.java:157) > at > org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:95) > at > org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:71) > at > org.apache.synapse.mediators.filters.InMediator.mediate(InMediator.java:55) > at > org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:71) > at > org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114) > at > org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:199) > at > org.apache.synapse.core.axis2.SynapseMessageReceiver.receive(SynapseMessageReceiver.java:83) > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) > at > org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:404) > at > org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:184) > at > org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:722) > > What coulld be the problem? Do I have to configure the ESB in some way? > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- Best Regards, Malaka Silva Senior Tech Lead M: +94 777 219 791 Tel : 94 11 214 5345 Fax :94 11 2145300 LinkedIn : http://www.linkedin.com/pub/malaka-silva/6/33/77 Blog : http://mrmalakasilva.blogspot.com/ WSO2, Inc. lean . enterprise . middleware http://www.wso2.com/ http://www.wso2.com/about/team/malaka-silva/<http://wso2.com/about/team/malaka-silva/> Save a tree -Conserve nature & Save the world for your future. Print this email only if it is absolutely necessary.
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