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From Isuru Haththotuwa <isu...@apache.org>
Subject Re: [Discuss] Release Apache Stratos 4.1.5-RC2
Date Sun, 06 Dec 2015 03:46:20 GMT
On Sun, Dec 6, 2015 at 12:37 AM, Akila Ravihansa Perera <ravihansa@wso2.com>
wrote:

> I tried to deploy an application on EC2 and immediately undeployed it
> which caused the following exception. Also the EC2 instance did not get
> terminated. Noticed the following warning in the log;
>
> [2015-12-06 00:29:51,337]  WARN
> {org.apache.stratos.common.concurrent.locks.ReadWriteLock} -  System
> warning! Trying to release a lock which has not been taken by the same
> thread: [lock-name] topology-manager [thread-id] 214 [thread-name]
> http-nio-9443-exec-17
>
>
>
>
> [2015-12-06 00:29:51,309]  INFO
> {org.apache.stratos.autoscaler.client.AutoscalerCloudControllerClient} -
>  Terminating instance via cloud controller: [member]
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain5545861a-0a1b-4532-830e-1c9beb2d8545
> [2015-12-06 00:29:51,313] ERROR
> {org.apache.stratos.cloud.controller.services.impl.CloudControllerServiceImpl}
> -  Could not terminate instance, instance id is blank: [member-id]
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain5545861a-0a1b-4532-830e-1c9beb2d8545
> , removing member from topology...
> [2015-12-06 00:29:51,319]  INFO
> {org.apache.stratos.cloud.controller.messaging.publisher.TopologyEventPublisher}
> -  Publishing member terminated event: [service-name] php-ec2 [cluster-id]
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain
> [cluster-instance-id] single-cartridge-app-ec2-1 [member-id]
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain5545861a-0a1b-4532-830e-1c9beb2d8545
> [network-partition-id] network-partition-ec2 [partition-id] partition-1
> [group-id] null
> [2015-12-06 00:29:51,326]  INFO
> {org.apache.stratos.messaging.message.processor.topology.MemberTerminatedMessageProcessor}
> -  Member terminated: [service] php-ec2 [cluster]
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain [member]
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain5545861a-0a1b-4532-830e-1c9beb2d8545
> [2015-12-06 00:29:51,326]  WARN
> {org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor} -  Obsolete
> member has either been terminated or its obsolete time out has expired and
> it is removed from obsolete members list:
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain5545861a-0a1b-4532-830e-1c9beb2d8545
> [2015-12-06 00:29:51,327]  INFO
> {org.apache.stratos.autoscaler.status.processor.cluster.ClusterStatusTerminatedProcessor}
> -  Publishing Cluster terminated event for [application]:
> single-cartridge-app-ec2 [cluster]:
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain
> [2015-12-06 00:29:51,335]  INFO
> {org.apache.stratos.cloud.controller.messaging.topology.TopologyBuilder} -
>  Cluster Terminated adding status started for and removing the cluster
> instancesingle-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain
> *[2015-12-06 00:29:51,337]  WARN
> {org.apache.stratos.common.concurrent.locks.ReadWriteLock} -  System
> warning! Trying to release a lock which has not been taken by the same
> thread: [lock-name] topology-manager [thread-id] 214 [thread-name]
> http-nio-9443-exec-17*
> [2015-12-06 00:29:51,346]  INFO
> {org.apache.stratos.cloud.controller.messaging.publisher.TopologyEventPublisher}
> -  Publishing Cluster terminated event: [application-id]
> single-cartridge-app-ec2 [cluster id]
> single-cartridge-app-ec2.my-php-app-ec2.php-ec2.domain [instance-id]
> single-cartridge-app-ec2-1
> [2015-12-06 00:29:51,348] ERROR
> {org.apache.stratos.autoscaler.rule.RuleTasksDelegator} -  Cannot terminate
> instance
> org.apache.stratos.cloud.controller.stub.CloudControllerServiceCloudControllerExceptionException:
> CloudControllerServiceCloudControllerExceptionException
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> at java.lang.Class.newInstance(Class.java:379)
> at
> org.apache.stratos.cloud.controller.stub.CloudControllerServiceStub.terminateInstance(CloudControllerServiceStub.java:8660)
> at
> org.apache.stratos.autoscaler.client.AutoscalerCloudControllerClient.terminateInstance(AutoscalerCloudControllerClient.java:203)
> at
> org.apache.stratos.autoscaler.rule.RuleTasksDelegator.terminateObsoleteInstance(RuleTasksDelegator.java:295)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.mvel2.optimizers.impl.refl.nodes.MethodAccessor.getValue(MethodAccessor.java:48)
> at
> org.mvel2.optimizers.impl.refl.nodes.VariableAccessor.getValue(VariableAccessor.java:37)
> at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:108)
> at org.mvel2.MVELRuntime.execute(MVELRuntime.java:85)
> at
> org.mvel2.compiler.CompiledExpression.getDirectValue(CompiledExpression.java:123)
> at
> org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:119)
> at org.mvel2.MVEL.executeExpression(MVEL.java:930)
> at org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:104)
> at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1287)
> at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1221)
> at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1456)
> at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:710)
> at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:674)
> at
> org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:230)
> at
> org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor.evaluate(ClusterMonitor.java:472)
> at
> org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor.access$200(ClusterMonitor.java:86)
> at
> org.apache.stratos.autoscaler.monitor.cluster.ClusterMonitor$2.run(ClusterMonitor.java:444)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> [2015-12-06 00:29:51,356]  INFO
> {org.apache.stratos.autoscaler.event.receiver.topology.AutoscalerTopologyEventReceiver}
> -  [ClusterTerminatedEvent] Received: class
> org.apache.stratos.messaging.event.topology.ClusterInstanceTerminatedEvent
> [2015-12-06 00:29:51,356]  INFO
> {org.apache.stratos.autoscaler.status.processor.group.GroupStatusTerminatedProcessor}
> -  Sending application instance terminated for [application]
> single-cartridge-app-ec2 [instance] single-cartridge-app-ec2-1
>

Looking at the logs, it seems that the instance id has been null when the
CC tries to terminate the instance, in the terminateInstance method. The
instance id is returned with NodeMetadata when an instance is created in
EC2. Maybe the instance id is null since the termination was started at the
same moment in which the call to start the instance [1] is happening. In
such cases the member is removed from the Topology and therefore the only
option is to manually terminate it from the IaaS. IMHO such scenarios are
difficult to handle from Stratos side. If the member is correctly removed
from the Topology, then it should be fine.

[1]. computeService.createNodesInGroup

>
>
> On Sun, Dec 6, 2015 at 12:20 AM, Akila Ravihansa Perera <
> ravihansa@wso2.com> wrote:
>
>> We have few issues in Docker scripts. There are some SNAPSHOT references
>> [1, 2] which breaks Docker images.
>>
>> [1]
>> https://github.com/apache/stratos/blob/4.1.5-rc2/tools/docker-images/cartridge-docker-images/base-image/Dockerfile#L25
>>
>> [2]
>> https://github.com/apache/stratos/blob/4.1.5-rc2/tools/docker-images/cartridge-docker-images/base-image/files/run#L29
>>
>> On Sat, Dec 5, 2015 at 8:02 PM, Gayan Gunarathne <gayang@wso2.com> wrote:
>>
>>> Modify it as 4.1.5-rc2
>>>
>>> Thanks,
>>> Gayan
>>>
>>>
>>> On Sat, Dec 5, 2015 at 12:04 PM, Akila Ravihansa Perera <
>>> ravihansa@wso2.com> wrote:
>>>
>>>> Hi Gayan,
>>>>
>>>> The vote is for the tag, not the binaries. Therefore we need to tag the
>>>> code in order to vote.
>>>>
>>>> Also we do not tag with a release version (4.1.5) until the vote has
>>>> passed.
>>>>
>>>> Could you please fix it?
>>>>
>>>> Thanks.
>>>>
>>>>
>>>> On Friday, 4 December 2015, Imesh Gunaratne <imesh@apache.org> wrote:
>>>>
>>>>> Hi Gayan,
>>>>>
>>>>> I do not see the 4.1.5-rc2 tag, have we created it as 4.1.5?
>>>>>
>>>>> Thanks
>>>>>
>>>>> On Thu, Dec 3, 2015 at 10:01 AM, Gayan Gunarathne <gayang@wso2.com>
>>>>> wrote:
>>>>>
>>>>>> Hi All,
>>>>>>
>>>>>> This thread is for discussion of the second release candidate for
>>>>>> Apache Stratos 4.1.5. Please use this thread for discussion of issues
>>>>>> uncovered in the RC, questions you may have about the RC, etc.
>>>>>>
>>>>>> The RC release packs could be found here [1]. A git tag (4.1.5) [2]
>>>>>> has been created for this release and its tree view could be seen
>>>>>> here [3].
>>>>>>
>>>>>> [1]  <http://goog_1891852155>
>>>>>> https://dist.apache.org/repos/dist/dev/stratos/releases/4.1.5-rc2/
>>>>>> [2] *https://git-wip-us.apache.org/repos/asf?p=stratos.git;a=commit;h=a9f1f51a9ae2829d85bf7b8f2d8fb622db991d25
>>>>>> <https://git-wip-us.apache.org/repos/asf?p=stratos.git;a=commit;h=a9f1f51a9ae2829d85bf7b8f2d8fb622db991d25>*
>>>>>> [3] *https://git-wip-us.apache.org/repos/asf?p=stratos.git;a=tree;h=bf33be1ad90c9bd071a5ded8dd440eb83de80ead;hb=a9f1f51a9ae2829d85bf7b8f2d8fb622db991d25
>>>>>> <https://git-wip-us.apache.org/repos/asf?p=stratos.git;a=tree;h=bf33be1ad90c9bd071a5ded8dd440eb83de80ead;hb=a9f1f51a9ae2829d85bf7b8f2d8fb622db991d25>*
>>>>>>
>>>>>> Thanks,
>>>>>> The Apache Stratos team
>>>>>>
>>>>>> --
>>>>>>
>>>>>> Gayan Gunarathne
>>>>>> Technical Lead, WSO2 Inc. (http://wso2.com)
>>>>>> Committer & PMC Member, Apache Stratos
>>>>>> email : gayang@wso2.com  | mobile : +94 775030545 <%2B94%20766819985>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Imesh Gunaratne
>>>>>
>>>>> Senior Technical Lead, WSO2
>>>>> Committer & PMC Member, Apache Stratos
>>>>>
>>>>
>>>>
>>>> --
>>>> Akila Ravihansa Perera
>>>> WSO2 Inc.;  http://wso2.com/
>>>>
>>>> Blog: http://ravihansa3000.blogspot.com
>>>>
>>>>
>>>
>>>
>>> --
>>>
>>> Gayan Gunarathne
>>> Technical Lead, WSO2 Inc. (http://wso2.com)
>>> Committer & PMC Member, Apache Stratos
>>> email : gayang@wso2.com  | mobile : +94 775030545 <%2B94%20766819985>
>>>
>>>
>>>
>>
>>
>>
>> --
>> Akila Ravihansa Perera
>> WSO2 Inc.;  http://wso2.com/
>>
>> Blog: http://ravihansa3000.blogspot.com
>>
>
>
>
> --
> Akila Ravihansa Perera
> WSO2 Inc.;  http://wso2.com/
>
> Blog: http://ravihansa3000.blogspot.com
>
> --
> <http://ravihansa3000.blogspot.com>
> <http://ravihansa3000.blogspot.com>
> Thanks and Regards,
>
> Isuru H.
> <http://ravihansa3000.blogspot.com>
> +94 716 358 048 <http://ravihansa3000.blogspot.com>* <http://wso2.com/>*
>
>
> * <http://wso2.com/>*
>
>
>

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