Hi,

The NPE is because the CPU load of a VM is missing. It happens when the VM statistics are not updated.

This is definitely a bug, missing CPU load should not prevent migration.

I will open a Bugzilla ticket.

Can you share some more details about the VMs?

Does the NPE happen for all VMs or only some specific types?

Thanks,

Andrej

On Wed, 3 Apr 2019 at 13:45, <nicolas@devels.es> wrote:

Hi,

We're running oVirt 4.3.2. When we click on the "Migrate" button over a
VM, an error popup shows up and in the ovirt-engine log we see:

2019-04-03 12:37:40,897+01 ERROR
[org.ovirt.engine.core.bll.GetValidHostsForVmsQuery] (default task-6)
[478381f0-18e3-4c96-bcb5-aafd116d7b7a] Query 'GetValidHostsForVmsQuery'
failed: null

I'm attaching the full NPE.

Could someone point out what could be the reason for the NPE?

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