Hi Imesh, I updated my code base today (Monday 12/22) and still see the exception below once I deploy the deployment policy – is there something else I need to add in the deployment policy. I attached the deployment policy to the email, please take a look and verify,
Thanks
Martin
TID: [0] [STRATOS] [2014-12-22 22:09:12,686] ERROR
{org.apache.stratos.messaging.message.receiver.topology.TopologyEventMessageDelegator}
- Failed to retrieve topology event message
{org.apache.stratos.messaging.message.receiver.topology.TopologyEventMessageDelegator}
java.lang.NullPointerException
at
org.apache.stratos.autoscaler.pojo.policy.deployment.DeploymentPolicy.getChildPolicy(DeploymentPolicy.java:214)
at
org.apache.stratos.autoscaler.context.cluster.ClusterContext.addInstanceContext(ClusterContext.java:129)
at
org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver$14.onEvent(AutoscalerTopologyEventReceiver.java:459)
at
org.apache.stratos.messaging.listener.EventListener.update(EventListener.java:42)
at java.util.Observable.notifyObservers(Observable.java:159)
at
org.apache.stratos.messaging.event.EventObservable.notifyEventListeners(EventObservable.java:51)
at
org.apache.stratos.messaging.message.processor.topology.ClusterInstanceCreatedMessageProcessor.doProcess(ClusterInstanceCreatedMessageProcessor.java:131)
at
org.apache.stratos.messaging.message.processor.topology.ClusterInstanceCreatedMessageProcessor.process(ClusterInstanceCreatedMessageProcessor.java:60)
at
org.apache.stratos.messaging.message.processor.topology.ClusterInstanceTerminatedProcessor.process(ClusterInstanceTerminatedProcessor.java:73)
at
org.apache.stratos.messaging.message.processor.topology.ClusterRemovedMessageProcessor.process(ClusterRemovedMessageProcessor.java:65)
at
org.apache.stratos.messaging.message.processor.topology.ClusterInstanceInactivateProcessor.process(ClusterInstanceInactivateProcessor.java:73)
at
org.apache.stratos.messaging.message.processor.topology.ClusterInstanceActivatedProcessor.process(ClusterInstanceActivatedProcessor.java:73)
at
org.apache.stratos.messaging.message.processor.topology.ClusterCreatedMessageProcessor.process(ClusterCreatedMessageProcessor.java:65)
From: Imesh Gunaratne [mailto:[email protected]]
Sent: Thursday, December 18, 2014 9:44 PM
To: dev
Subject: Re: NPE in ParentComponentMonitor
I have now verified this fix and pushed it to master branch. Please review.
Thanks
On Fri, Dec 19, 2014 at 10:46 AM, Imesh Gunaratne
<[email protected]<mailto:[email protected]>> wrote:
Hi Martin,
The above error (related to the child policy) may have occurred due to the
modification we did to change the "childId" attribute to "alias" in the
deployment policy. This was discussed in mail thread "[Discuss] The term
"ChildId" in the Deployment Policy refers to "Alias" in the Application".
I have now done a fix for the issue described in $subject. Will verify and
update soon.
Thanks
On Fri, Dec 19, 2014 at 3:33 AM, Martin Eppel (meppel)
<[email protected]<mailto:[email protected]>> wrote:
I tried to fix it by adding a check (see code snippet) which resolved the NPE
below but caused a new one – I guess it needs more than that …
Code snippet:
…
if (scalingDependencies != null && !scalingDependencies.isEmpty()) {
for (ScalingDependentList scalingDependentList :
scalingDependencies) {
ScalingEvent highestFactorEvent = null;
for (String scalingDependentListComponent :
scalingDependentList.
…
New NPE (with fix from code snippet):
TID: [0] [STRATOS] [2014-12-18 21:56:50,452] ERROR
{org.apache.stratos.messaging.message.receiver.topology.TopologyEventMessageDelegator}
- Failed to retrieve topology event message
{org.apache.stratos.messaging.message.receiver.topology.TopologyEventMessageDelegator}
java.lang.NullPointerException
at
org.apache.stratos.autoscaler.pojo.policy.deployment.DeploymentPolicy.getChildPolicy(DeploymentPolicy.java:213)
at
org.apache.stratos.autoscaler.context.cluster.VMClusterContext.addInstanceContext(VMClusterContext.java:129)
at
org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver$14.onEvent(AutoscalerTopologyEventReceiver.java:459)
at
org.apache.stratos.messaging.listener.EventListener.update(EventListener.java:42)
From: Imesh Gunaratne [mailto:[email protected]<mailto:[email protected]>]
Sent: Thursday, December 18, 2014 11:48 AM
To: dev
Subject: NPE in ParentComponentMonitor
Hi Devs,
I'm seeing the below NPE in ParentComponentMonitor:
[2014-12-19 01:15:25,836] INFO
{org.apache.stratos.autoscaler.applications.topic.ApplicationsEventPublisher} -
Publishing Application Active event for [application]: single-group-app
[instance]:single-group-app-1
[2014-12-19 01:15:25,866] INFO
{org.apache.stratos.autoscaler.applications.topic.ApplicationsEventPublisher} -
Publishing Group activated event for [application]: single-group-app [group]:
single-group-app-group-1 [instance]:single-group-app-1
[2014-12-19 01:16:04,117] ERROR
{org.apache.stratos.autoscaler.monitor.component.ApplicationMonitor} -
Application monitor failed :
org.apache.stratos.autoscaler.monitor.component.ApplicationMonitor@21d2042d<mailto:org.apache.stratos.autoscaler.monitor.component.ApplicationMonitor@21d2042d>
java.lang.NullPointerException
at
org.apache.stratos.autoscaler.monitor.component.ParentComponentMonitor.handleDependentScaling(ParentComponentMonitor.java:573)
at
org.apache.stratos.autoscaler.monitor.component.ApplicationMonitor$1.run(ApplicationMonitor.java:117)
at
org.apache.stratos.autoscaler.monitor.component.ApplicationMonitor.monitor(ApplicationMonitor.java:125)
at
org.apache.stratos.autoscaler.monitor.component.ApplicationMonitor.run(ApplicationMonitor.java:74)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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)
Thanks
--
Imesh Gunaratne
Technical Lead, WSO2
Committer & PMC Member, Apache Stratos
--
Imesh Gunaratne
Technical Lead, WSO2
Committer & PMC Member, Apache Stratos
--
Imesh Gunaratne
Technical Lead, WSO2
Committer & PMC Member, Apache Stratos
deployment-policy.json
Description: deployment-policy.json
