[STRATOS-1621] NPE Application Undeployment

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 4.1.4
• Fix Version/s: FUTURE
• Assignee: Unassigned
• Reporter: Isuru
• Created: 17/Nov/15 09:38
• Updated: 21/Nov/15 12:19

Description

Following NPE can be observed in application undeployment:

[2015-11-17 09:29:19,187] INFO

{org.apache.stratos.autoscaler.services.impl.AutoscalerServiceImpl}

- Application undeployment process started: [application-id] wso2as-521-app
[2015-11-17 09:29:19,220] INFO

{org.apache.stratos.cloud.controller.messaging.topology.TopologyBuilder} - Cluster Terminating started for wso2as-521-app.wso2as-521-1.wso2as-521.domain
[2015-11-17 09:29:19,240] INFO {org.apache.stratos.cloud.controller.messaging.publisher.TopologyEventPublisher} - Publishing Cluster terminating event: [application-id] wso2as-521-app [cluster id] wso2as-521-app.wso2as-521-1.wso2as-521.domain [instance-id] wso2as-521-app-1
[2015-11-17 09:29:19,263] INFO {org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver} - [ClusterTerminatingEvent] Received: class org.apache.stratos.messaging.event.topology.ClusterInstanceTerminatingEvent
[2015-11-17 09:29:19,265] INFO {org.apache.stratos.autoscaler.event.publisher.InstanceNotificationPublisher} - Publishing Instance Cleanup Event: [cluster] wso2as-521-app.wso2as-521-1.wso2as-521.domain [cluster-instance] wso2as-521-app-1
[2015-11-17 09:29:19,274] INFO {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Starting to terminate all members in cluster [wso2as-521-app.wso2as-521-1.wso2as-521.domain] Network Partition [network-partition-ec2], Partition [partition-2]
[2015-11-17 09:29:19,276] INFO {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Starting to terminate all members in cluster [wso2as-521-app.wso2as-521-1.wso2as-521.domain] Network Partition [network-partition-ec2], Partition [partition-1]
[2015-11-17 09:29:19,276] INFO {org.apache.stratos.autoscaler.event.publisher.InstanceNotificationPublisher} - Publishing Instance Cleanup Event: [cluster] wso2as-521-app.wso2as-521-1.wso2as-521.domain [cluster-instance] wso2as-521-app-1
[2015-11-17 09:29:19,275] WARN {org.apache.stratos.autoscaler.status.processor.cluster.ClusterStatusActiveProcessor} - No possible state change found for [type] [cluster] wso2as-521-app.wso2as-521-1.wso2as-521.domain [instance] wso2as-521-app-1
[2015-11-17 09:29:19,276] INFO {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Starting to move all members in cluster [wso2as-521-app.wso2as-521-1.wso2as-521.domain] Network Partition [network-partition-ec2], Partition [partition-2] to termination pending list
[2015-11-17 09:29:19,284] INFO {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} - Starting to move all members in cluster [wso2as-521-app.wso2as-521-1.wso2as-521.domain] Network Partition [network-partition-ec2], Partition [partition-1] to termination pending list
[2015-11-17 09:29:19,292] INFO {org.apache.stratos.cloud.controller.messaging.topology.TopologyBuilder}

- member maintenance mode event adding status started
Exception in thread "Active to Terminating pending adder - [cluster id] wso2as-521-app.wso2as-521-1.wso2as-521.domain" java.lang.NullPointerException
at org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor$6.run(ClusterMonitor.java:1361)
at java.lang.Thread.run(Thread.java:745)