On Sat, Jan 11, 2014 at 10:46 PM, Nirmal Fernando <[email protected]>wrote:

> There's a possibility that CEP would emit an event in this scenario (since
> CEP aggregates events came in a specific time period). This cannot be
> solved at CEP end, I think the solution would be to discard events that are
> not relevant at Auto-scaler end. Wdyt?
>

Yeah. Actually it happens already. Since the cluster monitor is not there,
it just prints this error message..

>
>
> On Sat, Jan 11, 2014 at 10:11 PM, Lahiru Sandaruwan <[email protected]>wrote:
>
>> $subject.
>>
>> For e.g. there is no instances in the cluster
>> "lahiru123.isuruh.lk.php.domain " since the user has unsubscribed.
>> But Autoscaler has received a stat event [1]..
>>
>> [1]
>> TID: [0] [Agent] [2014-01-11 16:34:39,696] ERROR
>> {org.apache.stratos.autoscaler.message.receiver.health.AutoscalerHealthStatReceiver}
>> -  A cluster monitor is not found in autoscaler context [cluster]
>> lahiru123.isuruh.lk.php.domain
>> {org.apache.stratos.autoscaler.message.receiver.health.AutoscalerHealthStatReceiver}
>> TID: [0] [Agent] [2014-01-11 16:34:39,696] ERROR
>> {org.apache.stratos.messaging.message.receiver.health.stat.HealthStatEventMessageDelegator}
>> -  Failed to retrieve instance notifier event message
>> {org.apache.stratos.messaging.message.receiver.health.stat.HealthStatEventMessageDelegator}
>> java.lang.RuntimeException: A monitor is not found for this cluster
>> at
>> org.apache.stratos.autoscaler.message.receiver.health.AutoscalerHealthStatReceiver.handleMemberFaultEvent(AutoscalerHealthStatReceiver.java:1084)
>>  at
>> org.apache.stratos.autoscaler.message.receiver.health.AutoscalerHealthStatReceiver.access$300(AutoscalerHealthStatReceiver.java:49)
>> at
>> org.apache.stratos.autoscaler.message.receiver.health.AutoscalerHealthStatReceiver$9.onEvent(AutoscalerHealthStatReceiver.java:753)
>>  at
>> org.apache.stratos.messaging.listener.EventListener.update(EventListener.java:42)
>> at java.util.Observable.notifyObservers(Observable.java:142)
>>  at
>> org.apache.stratos.messaging.event.EventObservable.notifyEventListeners(EventObservable.java:51)
>> at
>> org.apache.stratos.messaging.message.processor.health.stat.MemberFaultMessageProcessor.process(MemberFaultMessageProcessor.java:50)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.SecondDerivativeOfMemoryConsumptionMessageProcessor.process(SecondDerivativeOfMemoryConsumptionMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.GradientOfMemoryConsumptionMessageProcessor.process(GradientOfMemoryConsumptionMessageProcessor.java:58)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.AverageMemoryConsumptionMessageProcessor.process(AverageMemoryConsumptionMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.SecondDerivativeOfLoadAverageMessageProcessor.process(SecondDerivativeOfLoadAverageMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.GradientOfLoadAverageMessageProcessor.process(GradientOfLoadAverageMessageProcessor.java:59)
>> at
>> org.apache.stratos.messaging.message.processor.health.stat.AverageLoadAverageMessageProcessor.process(AverageLoadAverageMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.SecondDerivativeOfRequestsInFlightMessageProcessor.process(SecondDerivativeOfRequestsInFlightMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.GradientOfRequestsInFlightMessageProcessor.process(GradientOfRequestsInFlightMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.AverageRequestsInFlightMessageProcessor.process(AverageRequestsInFlightMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.MemberSecondDerivativeOfMemoryConsumptionMessageProcessor.process(MemberSecondDerivativeOfMemoryConsumptionMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.MemberGradientOfMemoryConsumptionMessageProcessor.process(MemberGradientOfMemoryConsumptionMessageProcessor.java:60)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.MemberAverageMemoryConsumptionMessageProcessor.process(MemberAverageMemoryConsumptionMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.MemberSecondDerivativeOfLoadAverageMessageProcessor.process(MemberSecondDerivativeOfLoadAverageMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.MemberGradientOfLoadAverageMessageProcessor.process(MemberGradientOfLoadAverageMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.health.stat.MemberAverageLoadAverageMessageProcessor.process(MemberAverageLoadAverageMessageProcessor.java:59)
>>  at
>> org.apache.stratos.messaging.message.processor.MessageProcessorChain.process(MessageProcessorChain.java:60)
>> at
>> org.apache.stratos.messaging.message.receiver.health.stat.HealthStatEventMessageDelegator.run(HealthStatEventMessageDelegator.java:79)
>>  at java.lang.Thread.run(Thread.java:662)
>>
>>
>> --
>> --
>> Lahiru Sandaruwan
>> Software Engineer,
>> Platform Technologies,
>> WSO2 Inc., http://wso2.com
>> lean.enterprise.middleware
>>
>> email: [email protected] cell: (+94) 773 325 954
>> blog: http://lahiruwrites.blogspot.com/
>> twitter: http://twitter.com/lahirus
>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
>>
>>
>
>
> --
> Best Regards,
> Nirmal
>
> Nirmal Fernando.
> PPMC Member & Committer of Apache Stratos,
> Senior Software Engineer, WSO2 Inc.
>
> Blog: http://nirmalfdo.blogspot.com/
>



-- 
--
Lahiru Sandaruwan
Software Engineer,
Platform Technologies,
WSO2 Inc., http://wso2.com
lean.enterprise.middleware

email: [email protected] cell: (+94) 773 325 954
blog: http://lahiruwrites.blogspot.com/
twitter: http://twitter.com/lahirus
linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146

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