I'm fixing this temporarily by adding following bold line of code. Please fix correctly.
RequestProcessor.java ...... *algorithm.setMembers(new ArrayList<Member>(cluster.getMembers()));* return algorithm.getNextMember(algorithmContext); On Sun, Oct 20, 2013 at 10:56 PM, Nirmal Fernando (JIRA) <[email protected]>wrote: > > [ > https://issues.apache.org/jira/browse/STRATOS-107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800162#comment-13800162] > > Nirmal Fernando commented on STRATOS-107: > ----------------------------------------- > > Imesh, > > I'm getting an NPE with your latest fixes. Did you miss a commit? > > [2013-10-20 22:52:48,559] ERROR - NativeWorkerPool Uncaught exception > java.lang.NullPointerException > at > > org.apache.stratos.lb.endpoint.algorithm.RoundRobin.getNextMember(RoundRobin.java:47) > at > > org.apache.stratos.lb.endpoint.RequestProcessor.findNextMember(RequestProcessor.java:67) > at > > org.apache.stratos.lb.endpoint.endpoint.TenantAwareLoadBalanceEndpoint.findNextMember(TenantAwareLoadBalanceEndpoint.java:156) > at > > org.apache.stratos.lb.endpoint.endpoint.TenantAwareLoadBalanceEndpoint.send(TenantAwareLoadBalanceEndpoint.java:107) > 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.axis2.transport.http.util.RESTUtil.invokeAxisEngine(RESTUtil.java:144) > at > > org.apache.axis2.transport.http.util.RESTUtil.processURLRequest(RESTUtil.java:139) > at > > org.apache.synapse.transport.nhttp.util.RESTUtil.processGetAndDeleteRequest(RESTUtil.java:146) > at > > org.apache.synapse.transport.nhttp.DefaultHttpGetProcessor.processGetAndDelete(DefaultHttpGetProcessor.java:464) > at > > org.wso2.carbon.transport.nhttp.api.NHttpGetProcessor.process(NHttpGetProcessor.java:296) > at > org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:272) > at > > org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > > > > > > > -- > Best Regards, > Nirmal > > Nirmal Fernando. > PPMC Member & Committer of Apache Stratos, > Senior Software Engineer, WSO2 Inc. > > Blog: http://nirmalfdo.blogspot.com/ > > > > Implement Load Balancing Algorithm Interface and Round Robin > Implementation > > > --------------------------------------------------------------------------- > > > > Key: STRATOS-107 > > URL: https://issues.apache.org/jira/browse/STRATOS-107 > > Project: Stratos > > Issue Type: Sub-task > > Reporter: Imesh Gunaratne > > Assignee: Imesh Gunaratne > > Fix For: 4.0.0 M1 > > > > > > The previous version of the Stratos Load Balancer used Apache > Synapse/Axis2/Tribes clustering feature for communicating with its > application members. As a result load balancing algorithm was implemented > using Axis2. This algorithm interface is tightly coupled with Axis2 members. > > The idea of this task is to implement a generic algorithm interface > which is not coupled with Axis2 so that load balancing specific features > will be loosely coupled with its foundation components. > > > > -- > This message was sent by Atlassian JIRA > (v6.1#6144) > -- Best Regards, Nirmal Nirmal Fernando. PPMC Member & Committer of Apache Stratos, Senior Software Engineer, WSO2 Inc. Blog: http://nirmalfdo.blogspot.com/
