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https://issues.apache.org/jira/browse/CLOUDSTACK-1868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13625719#comment-13625719
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Francois Gaudreault commented on CLOUDSTACK-1868:
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I am not entirely sure for this, but it also appears to impact the "state"
variable. For example, if you stop the VM from VMWare (or reboot the host),
the status stays at Running even if the VM is stopped.
On Xen, when you shutdown a VM from the XenServer, the state is updated in
CloudStack to reflect the proper state. It's not happening on VMWare.
> GetVmStatsCommand throws NullPointerException with VMWare
> ---------------------------------------------------------
>
> Key: CLOUDSTACK-1868
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1868
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.1.0
> Reporter: Francois Gaudreault
> Assignee: Sateesh Chodapuneedi
> Priority: Critical
> Fix For: 4.1.0
>
> Attachments: management.log
>
>
> We see bunch of these in the log files of CloudStack. Looks like the
> GetVmStatsCommand crash with a Null pointer exception. We don't think it's
> permission related since our CS user on vSphere can see all performance and
> VM statistics using the vSphere client.
> INFO [agent.manager.AgentManagerImpl] (AgentTaskPool-6:) Agent is determined
> to be up and running
> ERROR [vmware.resource.VmwareResource] (DirectAgent-383:yul01vi13.ops.dot)
> Unable to execute GetVmStatsCommand due to : Exception:
> java.lang.NullPointerException
> Message: null
> java.lang.NullPointerException
> WARN [cloud.vm.UserVmManagerImpl] (StatsCollector-2:) Unable to obtain VM
> statistics.
> ERROR [vmware.resource.VmwareResource] (DirectAgent-67:yul01vi12.ops.dot)
> Unable to execute GetVmStatsCommand due to : Exception:
> java.lang.NullPointerException
> Message: null
> java.lang.NullPointerException
> WARN [cloud.vm.UserVmManagerImpl] (StatsCollector-2:) Unable to obtain VM
> statistics.
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