Hi, I'm doing a test run with the Python cartridge agent in Kubernetes. I have three pods running, with the two machine setup (discovery + master/minion). Stratos is from master, built about 8 hours ago.
After a while the following error started appearing. [2014-10-28 01:03:07,947] INFO {org.apache.stratos.autoscaler.KubernetesClusterContext} - Pending state of member: *5c05dd5f-5e0f-11e4-be71-080027c9178c* is expired. Adding as an obsoleted member. [2014-10-28 01:03:07,947] INFO {org.apache.stratos.autoscaler.KubernetesClusterContext} - Pending state of member: 5c065407-5e0f-11e4-be71-080027c9178c is expired. Adding as an obsoleted member. [2014-10-28 01:03:07,947] INFO {org.apache.stratos.autoscaler.KubernetesClusterContext} - Pending state of member: 5c048055-5e0f-11e4-be71-080027c9178c is expired. Adding as an obsoleted member. [2014-10-28 01:03:07,948] INFO {org.apache.stratos.autoscaler.KubernetesClusterContext} - Pending state of member: 5c053dae-5e0f-11e4-be71-080027c9178c is expired. Adding as an obsoleted member. [2014-10-28 01:03:07,948] INFO {org.apache.stratos.autoscaler.KubernetesClusterContext} - Pending state of member: 5c06ba55-5e0f-11e4-be71-080027c9178c is expired. Adding as an obsoleted member. [2014-10-28 01:03:07,948] INFO {org.apache.stratos.autoscaler.KubernetesClusterContext} - Pending state of member: 5c061e70-5e0f-11e4-be71-080027c9178c is expired. Adding as an obsoleted member. [2014-10-28 01:03:07,948] INFO {org.apache.stratos.autoscaler.KubernetesClusterContext} - Pending state of member: 5c05718b-5e0f-11e4-be71-080027c9178c is expired. Adding as an obsoleted member. [2014-10-28 01:03:54,198] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - Running minimum rule: [kub-cluster] KubGrp1 [cluster] php.php.domain [2014-10-28 01:03:54,199] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [min-check] [cluster] : php.php.domain [Replicas] nonTerminated : 3 [2014-10-28 01:03:54,199] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [min-check] [cluster] : php.php.domain [Replicas] minReplicas : 3 [2014-10-28 01:03:54,199] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - Running obsolete containers rule [kub-cluster] : KubGrp1 [cluster] : php.php.domain [2014-10-28 01:03:54,200] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [obsolete-check] [cluster] : php.php.domain [Replicas] obsoleteReplicas : 7 [2014-10-28 01:03:54,201] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [obsolete-check] Terminating the obsolete member with id : 5c05dd5f-5e0f-11e4-be71-080027c9178c in the cluster : php.php.domain [2014-10-28 01:03:54,218] ERROR {org.apache.stratos.cloud.controller.impl.CloudControllerServiceImpl} - Failed to terminate member. Member id not found. [Member id] *5c05dd5f-5e0f-11e4-be71-080027c9178c* [2014-10-28 01:03:54,244] ERROR {org.apache.axis2.rpc.receivers.RPCMessageReceiver} - Failed to terminate member. Member id not found. [Member id] 5c05dd5f-5e0f-11e4-be71-080027c9178c java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212) at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117) at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146) at org.wso2.carbon.core.transports.CarbonServlet.doPost(CarbonServlet.java:231) at javax.servlet.http.HttpServlet.service(HttpServlet.java:755) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61) at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128) at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178) at org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47) at org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56) at org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47) at org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141) at org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936) at org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.IllegalArgumentException: Failed to terminate member. Member id not found. [Member id] 5c05dd5f-5e0f-11e4-be71-080027c9178c at org.apache.stratos.cloud.controller.impl.CloudControllerServiceImpl.handleNullObject(CloudControllerServiceImpl.java:1758) at org.apache.stratos.cloud.controller.impl.CloudControllerServiceImpl.terminateContainer(CloudControllerServiceImpl.java:1715) ... 45 more Kubernetes tried to spawn these containers based on an abnormally high value from the CEP, which is being discussed in another thread. [2014-10-28 00:57:54,204] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [Replicas] minReplicas : 3 [2014-10-28 00:57:54,205] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [Replicas] maxReplicas : 10 [2014-10-28 00:57:54,205] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [Replicas] nonTerminated : 3 [2014-10-28 00:57:54,205] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [Replicas] activeReplicas : 3 [2014-10-28 00:57:54,205] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [RequestInFlight] predicted value : 0.0 [2014-10-28 00:57:54,206] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [RequestInFlight] upper limit : 80.0 [2014-10-28 00:57:54,206] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [RequestInFlight] lower limit : 5.0 [2014-10-28 00:57:54,206] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [MemoryConsumption] predicted value : *15418.244003295898* [2014-10-28 00:57:54,206] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [MemoryConsumption] upper limit : 80.0 [2014-10-28 00:57:54,207] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [MemoryConsumption] lower limit : 15.0 [2014-10-28 00:57:54,207] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [LoadAverage] predicted value : *456648.05810546875* [2014-10-28 00:57:54,207] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [LoadAverage] upper limit : 180.0 [2014-10-28 00:57:54,207] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [LoadAverage] lower limit : 20.0 [2014-10-28 00:57:54,207] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain *scale-up action : true* [2014-10-28 00:57:54,207] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain scale-down action : false [2014-10-28 00:57:54,209] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [MemoryConsumption] predicted replicas : 579 [2014-10-28 00:57:54,242] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain [LoadAverage] predicted replicas : 7611 [2014-10-28 00:57:54,242] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] [cluster] : php.php.domain predicted replicas > max replicas : [2014-10-28 00:57:54,242] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] *Decided to scale-up : [cluster] : php.php.domain* [2014-10-28 00:57:54,243] INFO {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling-up] [cluster] : php.php.domain valid number of replicas to expand : 10 [2014-10-28 00:57:54,243] INFO {org.apache.stratos.autoscaler.client.cloud.controller.CloudControllerClient} - Updating kubernetes replication controller via cloud controller: [cluster] php.php.domain [replicas] 10 [2014-10-28 00:58:01,001] DEBUG {org.apache.stratos.manager.publisher.TenantSynzhronizerTask} - Publishing complete tenant event [2014-10-28 00:58:04,502] INFO {org.apache.stratos.cloud.controller.impl.CloudControllerServiceImpl} - Kubernetes entities are successfully starting up. [MemberContext [memberId= *5c05dd5f-5e0f-11e4-be71-080027c9178c*, nodeId=null, instanceId=null, clusterId=php.php.domain, partition=null, cartridgeType=php, privateIpAddress=null, publicIpAddress=null, allocatedIpAddress=null, initTime=1414438084398, lbClusterId=null, networkPartitionId=null, properties=Properties [properties=[Property [name=ALLOCATED_SERVICE_HOST_PORT, value=4500]]]], MemberContext [memberId=5c065407-5e0f-11e4-be71-080027c9178c, nodeId=null, instanceId=null, clusterId=php.php.domain, partition=null, cartridgeType=php, privateIpAddress=null, publicIpAddress=null, allocatedIpAddress=null, initTime=1414438084398, lbClusterId=null, networkPartitionId=null, properties=Properties [properties=[Property [name=ALLOCATED_SERVICE_HOST_PORT, value=4500]]]], MemberContext [memberId=5c048055-5e0f-11e4-be71-080027c9178c, nodeId=null, instanceId=null, clusterId=php.php.domain, partition=null, cartridgeType=php, privateIpAddress=null, publicIpAddress=null, allocatedIpAddress=null, initTime=1414438084398, lbClusterId=null, networkPartitionId=null, properties=Properties [properties=[Property [name=ALLOCATED_SERVICE_HOST_PORT, value=4500]]]], MemberContext [memberId=5c053dae-5e0f-11e4-be71-080027c9178c, nodeId=null, instanceId=null, clusterId=php.php.domain, partition=null, cartridgeType=php, privateIpAddress=null, publicIpAddress=null, allocatedIpAddress=null, initTime=1414438084398, lbClusterId=null, networkPartitionId=null, properties=Properties [properties=[Property [name=ALLOCATED_SERVICE_HOST_PORT, value=4500]]]], MemberContext [memberId=5c06ba55-5e0f-11e4-be71-080027c9178c, nodeId=null, instanceId=null, clusterId=php.php.domain, partition=null, cartridgeType=php, privateIpAddress=null, publicIpAddress=null, allocatedIpAddress=null, initTime=1414438084398, lbClusterId=null, networkPartitionId=null, properties=Properties [properties=[Property [name=ALLOCATED_SERVICE_HOST_PORT, value=4500]]]], MemberContext [memberId=5c061e70-5e0f-11e4-be71-080027c9178c, nodeId=null, instanceId=null, clusterId=php.php.domain, partition=null, cartridgeType=php, privateIpAddress=null, publicIpAddress=null, allocatedIpAddress=null, initTime=1414438084398, lbClusterId=null, networkPartitionId=null, properties=Properties [properties=[Property [name=ALLOCATED_SERVICE_HOST_PORT, value=4500]]]], MemberContext [memberId=5c05718b-5e0f-11e4-be71-080027c9178c, nodeId=null, instanceId=null, clusterId=php.php.domain, partition=null, cartridgeType=php, privateIpAddress=null, publicIpAddress=null, allocatedIpAddress=null, initTime=1414438084398, lbClusterId=null, networkPartitionId=null, properties=Properties [properties=[Property [name=ALLOCATED_SERVICE_HOST_PORT, value=4500]]]]] Regards, Chamila de Alwis Software Engineer | WSO2 | +94772207163 Blog: code.chamiladealwis.com