Every VDSM(host) reports the application list per installed vm, every time the engine asks for the vm statistics. The list probably contains an illegal value or we fail to convert it , anyhow it doesn't interfere with the rest of the monitoring process.  Please share the output of this command from one of your hosts that have running vms:

vdsm-client Host getAllVmStats



On Fri, 13 Apr 2018 at 15:24 Vrgotic, Marko <M.Vrgotic@activevideo.com> wrote:

Hi oVirt community,

 

I have just upgraded from 4.2.0 to 4.2.2 version.

 

I noticed a ton of :

   2018-04-13 11:13:48,857+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-84) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:48,857+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-84) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:48,857+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-84) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:48,857+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-84) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:50,056+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-93) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:51,482+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:51,482+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:51,483+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:13:51,483+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:03,912+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-24) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:03,912+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-24) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:03,912+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-24) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:03,912+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-24) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:05,120+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-50) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:06,564+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-60) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:06,564+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-60) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:06,564+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-60) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

    2018-04-13 11:14:06,564+02 WARN  [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (EE-ManagedThreadFactory-engineScheduled-Thread-60) [] Failed to convert app: [[Ljava.lang.Object;] is not a string

 

Can somebody help me understand or trace where the issue could be?

    

Kindly awaiting your reply.

    

Marko Vrgotic

 

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