[jira] [Commented] (CLOUDSTACK-5890) Error while collecting disk stats from vm

["Wei Zhou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-5890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13874534#comment-13874534 ] 

Wei Zhou commented on CLOUDSTACK-5890:
--------------------------------------

Daan,
Thanks for your patch. This issue happens just by chance, not each time, right?
-Wei

> Error while collecting disk stats from vm
> -----------------------------------------
>
>                 Key: CLOUDSTACK-5890
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5890
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server, XenServer
>    Affects Versions: 4.2.1, 4.3.0
>            Reporter: Daan Hoogland
>
> "Error while collecting disk stats from" is thrown a lot of times.
> 2014-01-16 00:00:56,006 WARN  [xen.resource.CitrixResourceBase] (DirectAgent-137:null) 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$XenServerConnection.dispatch(XenServerConnectionPool.java:909)
>         at com.xensource.xenapi.VBDMetrics.getIoReadKbs(VBDMetrics.java:210)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.getVmStats(CitrixResourceBase.java:2791)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:2691)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:497)
>         at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:59)
>         at com.cloud.agent.manager.DirectAgentAttache$Task.run(DirectAgentAttache.java:186)
>         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)
> xapi returns HANDLE_INVALID, after which the whole collection process for stops for this host as it is caught outside the loop.



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