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https://issues.apache.org/jira/browse/CLOUDSTACK-5834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13873156#comment-13873156
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prashant kumar mishra commented on CLOUDSTACK-5834:
---------------------------------------------------
>From Vincent Vuong's repo steps ,he did not do xen upgrade.so its CS upgrade
>issue
> [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: 4.3.0
>
> 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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