And it should not terminate cluster, when it should create another group instance.
Thanks. On Tue, Mar 10, 2015 at 10:54 AM, Rajkumar Rajaratnam <rajkum...@wso2.com> wrote: > There is no null check there in the code, results in NPE. > > On Tue, Mar 10, 2015 at 10:37 AM, Lahiru Sandaruwan <lahi...@wso2.com> > wrote: > >> Hi, >> >> I could find $subject. I am testing with sample >> "$stratos_source/samples/applications/dependent-scaling/sample-groups" >> >> Looking into it. >> >> Thanks. >> [1] >> >> >> [2015-03-10 10:34:04,945] INFO >> {org.apache.stratos.autoscaler.monitor.component.GroupMonitor} - Parent >> scaling event received to [group]: my-esb-php-group, [network partition]: >> network-partition-1, [event] my-esb-php-group, [group instance] >> dependency-scaling-groups-app-1, [factor] 2.5 >> >> [2015-03-10 10:34:04,946] INFO >> {org.apache.stratos.autoscaler.monitor.component.GroupMonitor} - [Group] >> my-esb-php-group is notifying the [parent] dependency-scaling-groups-app >> [instance] dependency-scaling-groups-app-1 >> >> [2015-03-10 10:34:04,946] INFO >> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - >> Publishing Cluster terminating event for [application] >> dependency-scaling-groups-app [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain [instance] >> my-esb-php-group-2 >> >> [2015-03-10 10:34:04,951] INFO >> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - >> Publishing Cluster terminating event for [application] >> dependency-scaling-groups-app [cluster] >> dependency-scaling-groups-app.my-php.php.domain [instance] >> my-esb-php-group-2 >> >> Exception in thread "pool-38-thread-8" java.lang.NullPointerException >> >> at >> org.apache.stratos.autoscaler.event.publisher.ClusterStatusEventPublisher.sendClusterTerminatingEvent(ClusterStatusEventPublisher.java:187) >> >> at >> org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor.onParentStatusEvent(ClusterMonitor.java:669) >> >> at >> org.apache.stratos.autoscaler.monitor.events.builder.MonitorStatusEventBuilder.notifyChildren(MonitorStatusEventBuilder.java:91) >> >> at >> org.apache.stratos.autoscaler.monitor.component.GroupMonitor.setStatus(GroupMonitor.java:356) >> >> at >> org.apache.stratos.autoscaler.applications.topic.ApplicationBuilder.updateGroupMonitor(ApplicationBuilder.java:705) >> >> [2015-03-10 10:34:04,953] INFO >> {org.apache.stratos.cloud.controller.messaging.topology.TopologyBuilder} - >> Cluster Terminating adding status started >> fordependency-scaling-groups-app.my-esb.esb.domain >> >> at >> org.apache.stratos.autoscaler.applications.topic.ApplicationBuilder.handleGroupTerminatingEvent(ApplicationBuilder.java:642) >> >> at >> org.apache.stratos.autoscaler.monitor.component.GroupMonitor.onParentScalingEvent(GroupMonitor.java:489) >> >> at >> org.apache.stratos.autoscaler.monitor.component.ParentComponentMonitor.handleDependentScaling(ParentComponentMonitor.java:607) >> >> at >> org.apache.stratos.autoscaler.monitor.component.ApplicationMonitor$1.run(ApplicationMonitor.java:124) >> >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> >> at java.lang.Thread.run(Thread.java:745) >> >> [2015-03-10 10:34:04,958] INFO >> {org.apache.stratos.cloud.controller.messaging.publisher.TopologyEventPublisher} >> - Publishing Cluster terminating event: [application-id] >> dependency-scaling-groups-app [cluster id] >> dependency-scaling-groups-app.my-esb.esb.domain [instance-id] >> my-esb-php-group-2 >> >> [2015-03-10 10:34:04,963] INFO >> {org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver} >> - [ClusterTerminatingEvent] Received: class >> org.apache.stratos.messaging.event.topology.ClusterInstanceTerminatingEvent >> >> [2015-03-10 10:34:04,964] WARN >> {org.apache.stratos.autoscaler.status.processor.cluster.ClusterStatusActiveProcessor} >> - No possible state change found for [type] [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain [instance] >> >> [2015-03-10 10:34:04,964] INFO >> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Starting >> to terminate all members in cluster >> [dependency-scaling-groups-app.my-esb.esb.domain] Network Partition >> [network-partition-1], Partition [partition-1] >> >> [2015-03-10 10:34:04,965] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - Running obsolete instances >> rule: [partition] partition-1 [network-partition] network-partition-1 >> [cluster] dependency-scaling-groups-app.my-esb.esb.domain >> >> [2015-03-10 10:34:04,965] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - [obsolete-check] >> [network-partition] network-partition-1 [partition] partition-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain Obsolete member count: 0 >> >> [2015-03-10 10:34:04,965] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - Running minimum rule: >> [network-partition] network-partition-1 [cluster-instance] >> my-esb-php-group-1 >> >> [2015-03-10 10:34:04,965] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - Running instances cleanup >> event sender rule: [partition] partition-1 [network-partition] >> network-partition-1 >> >> [2015-03-10 10:34:04,965] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - [min-check] >> [network-partition] network-partition-1 [cluster-instance] >> my-esb-php-group-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain Non terminated member >> count: 1 >> >> [2015-03-10 10:34:04,965] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - [instance-cleanup-check] >> [network-partition] network-partition-1 [partition] partition-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain Pending termination member >> count: 0 >> >> [2015-03-10 10:34:04,965] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - [min-check] >> [network-partition] network-partition-1 [cluster-instance] >> my-esb-php-group-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain Minimum member count: 1 >> >> [2015-03-10 10:34:04,966] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - Running obsolete instances >> rule: [partition] partition-1 [network-partition] network-partition-1 >> [cluster] dependency-scaling-groups-app.my-esb.esb.domain >> >> [2015-03-10 10:34:04,966] INFO >> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Executing >> scaling rule as statistics have been reset >> >> [2015-03-10 10:34:04,966] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - Running scale up rule: >> [network-partition] network-partition-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain >> >> [2015-03-10 10:34:04,966] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - [obsolete-check] >> [network-partition] network-partition-1 [partition] partition-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain Obsolete member count: 0 >> >> [2015-03-10 10:34:04,966] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - [scaling] >> [network-partition] network-partition-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain Algorithm name: >> one-after-another >> >> [2015-03-10 10:34:04,966] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - Running instances cleanup >> event sender rule: [partition] partition-1 [network-partition] >> network-partition-1 >> >> [2015-03-10 10:34:04,967] DEBUG >> {org.apache.stratos.autoscaler.rule.RuleLog} - [instance-cleanup-check] >> [network-partition] network-partition-1 [partition] partition-1 [cluster] >> dependency-scaling-groups-app.my-esb.esb.domain Pending termination member >> count: 0 >> >> -- >> -- >> Lahiru Sandaruwan >> Committer and PMC member, Apache Stratos, >> Senior Software Engineer, >> WSO2 Inc., http://wso2.com >> lean.enterprise.middleware >> >> email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/ >> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >> >> > > > -- > Rajkumar Rajaratnam > Committer & PMC Member, Apache Stratos > Software Engineer, WSO2 > > Mobile : +94777568639 > Blog : rajkumarr.com > -- -- Lahiru Sandaruwan Committer and PMC member, Apache Stratos, Senior Software Engineer, WSO2 Inc., http://wso2.com lean.enterprise.middleware email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/ linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146