Hi Devs, I see the below NPE:
[2015-02-17 23:59:32,774] ERROR {org.apache.stratos.messaging.message.receiver.topology.TopologyEventMessageDelegator} - Failed to retrieve topology event message java.lang.NullPointerException at org.apache.stratos.autoscaler.monitor.component.ParentComponentMonitor.allDependentTerminated(ParentComponentMonitor.java:499) at org.apache.stratos.autoscaler.monitor.component.ParentComponentMonitor.onChildTerminatedEvent(ParentComponentMonitor.java:444) at org.apache.stratos.autoscaler.monitor.component.GroupMonitor.onTerminationOfInstance(GroupMonitor.java:408) at org.apache.stratos.autoscaler.monitor.component.GroupMonitor.onChildStatusEvent(GroupMonitor.java:391) at org.apache.stratos.autoscaler.monitor.events.builder.MonitorStatusEventBuilder.notifyParent(MonitorStatusEventBuilder.java:85) at org.apache.stratos.autoscaler.monitor.events.builder.MonitorStatusEventBuilder.handleClusterStatusEvent(MonitorStatusEventBuilder.java:40) at org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor.notifyParentMonitor(ClusterMonitor.java:210) at org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver$8.onEvent(AutoscalerTopologyEventReceiver.java:300) at org.apache.stratos.messaging.listener.EventListener.update(EventListener.java:42) at java.util.Observable.notifyObservers(Observable.java:159) -- Imesh Gunaratne Technical Lead, WSO2 Committer & PMC Member, Apache Stratos