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Date: Wed, 26 Nov 2014 18:41:13 +0000 (UTC)
From: "Rohit Yadav (JIRA)" <jira@apache.org>
To: cloudstack-issues@incubator.apache.org
Message-ID: <JIRA.12687849.1389185944000.28918.1417027273448@Atlassian.JIRA>
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 <JIRA.12687849.1389185944716@arcas>
Subject: [jira] [Commented] (CLOUDSTACK-5834) [upgrade]Error while
 collecting disk stats from : You gave an invalid object reference.  The
 object may have recently been deleted
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    [ https://issues.apache.org/jira/browse/CLOUDSTACK-5834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14226613#comment-14226613 ] 

Rohit Yadav commented on CLOUDSTACK-5834:
-----------------------------------------

Hi [~anthonyxu], can you help backport this fix to 4.3 branch? I have seen such errors many times, it would be great if we can fix it for 4.3.2.

> [upgrade]Error while collecting disk stats from : You gave an invalid object reference.  The object may have recently been deleted
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-5834
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5834
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server, XenServer
>    Affects Versions: 4.3.0
>            Reporter: prashant kumar mishra
>            Assignee: Anthony Xu
>             Fix For: 4.4.0, 4.5.0
>
>         Attachments: MS_XEN_log_DB.rar
>
>
> Steps 
> ======
> 1-prepare ACS 4.2 setup with xen6.2 host
> 2-upgrade CS to 4.3 and upgrade xen 6.2 to xen6.2sp1
> After upgrade i am seeing error message in log whenever VmStatsCollector is running.
> Logs
> ======
> 2014-01-08 13:15:08,182 DEBUG [c.c.s.StatsCollector] (StatsCollector-2:ctx-aa75b506) VmStatsCollector is running...
> 2014-01-08 13:15:08,207 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-141:ctx-74d0d04a) Seq 1-498139202: Executing request
> 2014-01-08 13:15:08,358 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-141:ctx-74d0d04a) Vm cpu utilization 0.0
> 2014-01-08 13:15:08,359 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-141:ctx-74d0d04a) Vm cpu utilization 0.00453125
> 2014-01-08 13:15:08,369 WARN  [c.c.h.x.r.CitrixResourceBase] (DirectAgent-141:ctx-74d0d04a) Error while collecting disk stats from :
> You gave an invalid object reference.  The object may have recently been deleted.  The class parameter gives the type of reference given, and the handle parameter echoes the bad value given.
>         at com.xensource.xenapi.Types.checkResponse(Types.java:209)
>         at com.xensource.xenapi.Connection.dispatch(Connection.java:368)
>         at com.cloud.hypervisor.xen.resource.XenServerConnectionPool$XenServerConnection.dispatch(XenServerConnectionPool.java:909)
>         at com.xensource.xenapi.VBDMetrics.getIoReadKbs(VBDMetrics.java:210)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.getVmStats(CitrixResourceBase.java:2784)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:2684)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:493)
>         at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:59)
>         at com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:106)
>         at com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:166)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> 2014-01-08 13:15:08,371 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-141:ctx-74d0d04a) Seq 1-498139202: Response Received:


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