[ovirt-users] Uncaught exception occurred. Cannot read property 'f' of null

Jorick Astrego jorick at netbulae.eu
Mon Nov 14 05:47:05 EST 2016


Got another one, when moving the SPM to another host by using the button 
in UI. It's a different error but may indicate the underlying problem...


    2016-11-14 11:43:42,217 ERROR
    [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
    (default task-5) [] Permutation name: E3A4CA9A335813A0020FA139A004EB82
    2016-11-14 11:43:42,220 ERROR
    [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
    (default task-5) [] Uncaught exception: :
    com.google.gwt.event.shared.UmbrellaException: Exception caught:
    Exception caught: (TypeError)
      __gwt$exception: <skipped>: a is null
         at java.lang.Throwable.fillInStackTrace(Throwable.java:114)
    [rt.jar:1.8.0_111]
         at
    java.lang.RuntimeException.RuntimeException(RuntimeException.java:32)
    [rt.jar:1.8.0_111]
         at
    com.google.web.bindery.event.shared.UmbrellaException.UmbrellaException(UmbrellaException.java:70)
    [gwt-servlet.jar:]
         at
    com.google.gwt.event.shared.UmbrellaException.UmbrellaException(UmbrellaException.java:25)
    [gwt-servlet.jar:]
         at
    com.google.gwt.event.shared.HandlerManager.$fireEvent(HandlerManager.java:117)
    [gwt-servlet.jar:]
         at
    com.google.gwt.view.client.SelectionChangeEvent.fire(SelectionChangeEvent.java:67)
    [gwt-servlet.jar:]
         at
    com.google.gwt.view.client.SingleSelectionModel.$resolveChanges(SingleSelectionModel.java:118)
    [gwt-servlet.jar:]
         at
    com.google.gwt.view.client.SingleSelectionModel.isSelected(SingleSelectionModel.java:82)
    [gwt-servlet.jar:]
         at
    com.google.gwt.user.cellview.client.HasDataPresenter.$resolvePendingState(HasDataPresenter.java:1062)
    [gwt-servlet.jar:]
         at
    com.google.gwt.user.cellview.client.CellTreeNodeView$TreeNodeImpl.$getChildCount(CellTreeNodeView.java:573)
    [gwt-servlet.jar:]
         at
    org.ovirt.engine.ui.webadmin.widget.tree.SystemTree.$expandTree(SystemTree.java:229)
         at
    org.ovirt.engine.ui.webadmin.widget.tree.SystemTree$3.eventRaised(SystemTree.java:110)
         at org.ovirt.engine.ui.uicompat.Event.$raise(Event.java:114)
         at
    org.ovirt.engine.ui.uicommonweb.models.SearchableListModel.$setItems(SearchableListModel.java:802)
         at
    org.ovirt.engine.ui.uicommonweb.models.SystemTreeModel.$executed(SystemTreeModel.java:438)
         at
    org.ovirt.engine.ui.uicommonweb.models.SystemTreeModel.executed(SystemTreeModel.java:438)
         at
    org.ovirt.engine.ui.frontend.Frontend$3.$onSuccess(Frontend.java:344)
    [frontend.jar:]
         at
    org.ovirt.engine.ui.frontend.Frontend$3.onSuccess(Frontend.java:344)
    [frontend.jar:]
         at
    org.ovirt.engine.ui.frontend.communication.OperationProcessor$3.$onSuccess(OperationProcessor.java:178)
    [frontend.jar:]
         at
    org.ovirt.engine.ui.frontend.communication.OperationProcessor$3.onSuccess(OperationProcessor.java:178)
    [frontend.jar:]
         at
    org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.$onSuccess(GWTRPCCommunicationProvider.java:271)
    [frontend.jar:]
         at
    org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.onSuccess(GWTRPCCommunicationProvider.java:271)
    [frontend.jar:]
         at
    com.google.gwt.rpc.client.impl.RpcCallbackAdapter.onResponseReceived(RpcCallbackAdapter.java:72)
    [gwt-servlet.jar:]
         at
    org.ovirt.engine.ui.common.gin.BaseSystemModule$1$1.onResponseReceived(BaseSystemModule.java:140)
         at
    com.google.gwt.http.client.Request.$fireOnResponseReceived(Request.java:237)
    [gwt-servlet.jar:]
         at
    com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:409)
    [gwt-servlet.jar:]
         at Unknown.hwf/c.onreadystatechange<(Unknown Source) at
    com.google.gwt.core.client.impl.Impl.apply(Impl.java:296)
    [gwt-servlet.jar:]
         at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:335)
    [gwt-servlet.jar:]
         at Unknown._t/<(Unknown Source)    at Unknown.anonymous(Unknown
    Source)Caused by: com.google.gwt.event.shared.UmbrellaException:
    Exception caught: (TypeError)
      __gwt$exception: <skipped>: a is null
         at java.lang.Throwable.fillInStackTrace(Throwable.java:114)
    [rt.jar:1.8.0_111]
         at
    java.lang.RuntimeException.RuntimeException(RuntimeException.java:32)
    [rt.jar:1.8.0_111]
         at
    com.google.web.bindery.event.shared.UmbrellaException.UmbrellaException(UmbrellaException.java:70)
    [gwt-servlet.jar:]
         at
    com.google.gwt.event.shared.UmbrellaException.UmbrellaException(UmbrellaException.java:25)
    [gwt-servlet.jar:]
         at
    com.google.gwt.event.shared.EventBus.$castFireEvent(EventBus.java:65)
    [gwt-servlet.jar:]
         at
    org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeSelectionChangeEvent.fire(SystemTreeSelectionChangeEvent.java:21)
         at
    org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeModelProvider.$setSelectedItems(SystemTreeModelProvider.java:108)
         at
    org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeModelProvider$1.onSelectionChange(SystemTreeModelProvider.java:59)
         at
    com.google.gwt.view.client.SelectionChangeEvent.dispatch(SelectionChangeEvent.java:98)
    [gwt-servlet.jar:]
         at
    com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:76)
    [gwt-servlet.jar:]
         at
    com.google.web.bindery.event.shared.SimpleEventBus.$doFire(SimpleEventBus.java:173)
    [gwt-servlet.jar:]
         ... 27 more
    Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError)
      __gwt$exception: <skipped>: a is null
         at
    org.ovirt.engine.ui.webadmin.plugin.entity.SystemTreeItemObject.from(SystemTreeItemObject.java:15)
         at
    org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeSelectionChangeEvent.$dispatch(SystemTreeSelectionChangeEvent.java:50)
         at
    org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeSelectionChangeEvent.dispatch(SystemTreeSelectionChangeEvent.java:50)
         at
    com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:76)
    [gwt-servlet.jar:]
         at
    com.google.web.bindery.event.shared.SimpleEventBus.$doFire(SimpleEventBus.java:173)
    [gwt-servlet.jar:]
         ... 34 more


On 10/27/2016 11:26 AM, Jorick Astrego wrote:
>
>
>
> On 10/20/2016 03:14 PM, Alexander Wels wrote:
>> On Thursday, October 20, 2016 9:20:23 AM EDT Jorick Astrego wrote:
>>> On 10/18/2016 03:59 PM, Michal Skrivanek wrote:
>>>>> On 18 Oct 2016, at 15:56, Alexander Wels<awels at redhat.com>  wrote:
>>>>>
>>>>> On Tuesday, October 18, 2016 3:44:31 PM EDT Jorick Astrego wrote:
>>>>>> Hi,
>>>>>>
>>>>>> We have ovirt connected to our freeipa domain. Things work fine
>>>>>>
>>>>>> generally, but once in a while I get the following error pop up in the
>> ui:
>>>>>>      Uncaught exception occurred. Please try reloading the page. Details:
>>>>>>      Exception caught: Exception caught: (TypeError) __gwt$exception:
>>>>>>      <skipped>: Cannot read property 'f' of null
>>>>>>      Please have your administrator check the UI logs
>>>>> Could you install the symbol maps assocaited with the obfuscated code so
>>>>> we
>>>>> can get a readable stack trace. To install the symbol maps please run the
>>>>> following command on the machine running the engine (or VM if it is HE).
>>>>>
>>>>> yum install ovirt-engine-webadmin-portal-debuginfo
>>>>>
>>>>> Please restart the ovirt-engine process with
>>>>>
>>>>> systemctl restart ovirt-engine
>>>>>
>>>>> after you have installed the symbol maps. Then next time you see the
>>>>> message in the UI, the stack trace in the log should be readable and we
>>>>> can help you better determine what is causing the problem.
>>>> right, that’s likely even easier than what I just wrote;-)
>>>>
>>>>>> The log that goes with it:
>>>>>>
>>>>>> 2016-10-17 16:31:32,578 ERROR
>>>>>> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>>>> (default task-21) [] Permutation name: 430985F23DFC1C8BE1C7FDD91EDAA785
>>>>>> 2016-10-17 16:31:32,578 ERROR
>>>>>> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>>>> (default task-21) [] Uncaught exception: :
>>>>>> com.google.gwt.event.shared.UmbrellaException: Exception caught:
>>>>>> Exception caught: (TypeError)
>>>>>>
>>>>>>    __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>>>>    
>>>>>>       at
>>>>>>
>>>>>> Unknown.ps(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 3837) at
>>>>>> Unknown.xs(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.C3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.F3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.P2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 117) at
>>>>>> Unknown.hwf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.twf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 162) at
>>>>>> Unknown.xwf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 14293) at
>>>>>> Unknown.KVe(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 1172) at
>>>>>> Unknown.yUe(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 33) at
>>>>>> Unknown.viy(<anonymous>@53)    at Unknown.Piy(<anonymous>@18587) at
>>>>>> Unknown.zOr(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 189) at
>>>>>> Unknown.$to(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 311) at
>>>>>> Unknown.VBo(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 2599) at
>>>>>> Unknown.mCo(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 8942) at
>>>>>> Unknown.qRn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 116) at
>>>>>> Unknown.tRn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 568) at
>>>>>> Unknown.kVn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 74) at
>>>>>> Unknown.nVn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 25943) at
>>>>>> Unknown.cUn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 150) at
>>>>>> Unknown.fUn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 24587) at
>>>>>> Unknown.KJe(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 21125) at
>>>>>> Unknown.Izk(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 10384) at
>>>>>> Unknown.P3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 137) at
>>>>>> Unknown.g4(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 8271) at
>>>>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmi
>>>>>> n/43 0985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 65) at
>>>>>> Unknown._t(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 29) at
>>>>>> Unknown.du(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 57) at
>>>>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmi
>>>>>> n/43 0985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 54)Caused by:
>>>>>> com.google.gwt.event.shared.UmbrellaException: Exception caught:
>>>>>> (TypeError)
>>>>>>
>>>>>>    __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>>>>    
>>>>>>       at
>>>>>>
>>>>>> Unknown.ps(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 3837) at
>>>>>> Unknown.xs(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.C3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.F3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.I2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 86) at
>>>>>> Unknown.lNx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 44) at
>>>>>> Unknown.PMx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 83) at
>>>>>> Unknown.ZMx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 5765) at
>>>>>> Unknown.gwf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 13988) at
>>>>>> Unknown.x$(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 4001) at
>>>>>> Unknown.Z2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 209) at
>>>>>> Unknown.P2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 59) ... 25 more
>>>>>> Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError)
>>>>>>
>>>>>>    __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>>>>    
>>>>>>       at
>>>>>>
>>>>>> Unknown.Kds(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.hNx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 74) at
>>>>>> Unknown.jNx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 6015) at
>>>>>> Unknown.x$(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 4001) at
>>>>>> Unknown.Z2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 209) at
>>>>>> Unknown.I2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 28) ... 32 more
>>>>>>
>>>>>> 2016-10-18 11:37:38,018 ERROR
>>>>>> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>>>> (default task-31) [] Permutation name: 430985F23DFC1C8BE1C7FDD91EDAA785
>>>>>> 2016-10-18 11:37:38,019 ERROR
>>>>>> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>>>> (default task-31) [] Uncaught exception: :
>>>>>> com.google.gwt.core.client.JavaScriptException: (TypeError)
>>>>>>
>>>>>>    __gwt$exception: <skipped>: Cannot read property 'F' of null
>>>>>>    
>>>>>>       at
>>>>>>
>>>>>> Unknown.iQo(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 9744) at
>>>>>> Unknown.kRn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 84) at
>>>>>> Unknown.nRn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 438) at
>>>>>> Unknown.eVn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 40) at
>>>>>> Unknown.hVn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 25827) at
>>>>>> Unknown.cUn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 180) at
>>>>>> Unknown.fUn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 24587) at
>>>>>> Unknown.KJe(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 21125) at
>>>>>> Unknown.Izk(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 10384) at
>>>>>> Unknown.P3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 137) at
>>>>>> Unknown.g4(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 8271) at
>>>>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmi
>>>>>> n/43 0985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 65) at
>>>>>> Unknown._t(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 29) at
>>>>>> Unknown.du(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 57) at
>>>>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmi
>>>>>> n/43 0985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 54)
>>>>>>
>>>>>> 2016-10-18 15:37:44,405 ERROR
>>>>>> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>>>> (default task-8) [] Permutation name: 430985F23DFC1C8BE1C7FDD91EDAA785
>>>>>> 2016-10-18 15:37:44,406 ERROR
>>>>>> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>>>> (default task-8) [] Uncaught exception: :
>>>>>> com.google.gwt.event.shared.UmbrellaException: Exception caught:
>>>>>> Exception caught: (TypeError)
>>>>>>
>>>>>>    __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>>>>    
>>>>>>       at
>>>>>>
>>>>>> Unknown.ps(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 3837) at
>>>>>> Unknown.xs(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.C3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.F3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.P2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 117) at
>>>>>> Unknown.hwf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.twf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 162) at
>>>>>> Unknown.xwf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 14293) at
>>>>>> Unknown.KVe(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 1172) at
>>>>>> Unknown.yUe(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 33) at
>>>>>> Unknown.viy(<anonymous>@53)    at Unknown.Piy(<anonymous>@18587) at
>>>>>> Unknown.zOr(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 189) at
>>>>>> Unknown.$to(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 311) at
>>>>>> Unknown.VBo(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 2599) at
>>>>>> Unknown.mCo(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 8942) at
>>>>>> Unknown.qRn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 116) at
>>>>>> Unknown.tRn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 568) at
>>>>>> Unknown.kVn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 74) at
>>>>>> Unknown.nVn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 25943) at
>>>>>> Unknown.cUn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 150) at
>>>>>> Unknown.fUn(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 24587) at
>>>>>> Unknown.KJe(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 21125) at
>>>>>> Unknown.Izk(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 10384) at
>>>>>> Unknown.P3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 137) at
>>>>>> Unknown.g4(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 8271) at
>>>>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmi
>>>>>> n/43 0985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 65) at
>>>>>> Unknown._t(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 29) at
>>>>>> Unknown.du(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 57) at
>>>>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmi
>>>>>> n/43 0985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 54)Caused by:
>>>>>> com.google.gwt.event.shared.UmbrellaException: Exception caught:
>>>>>> (TypeError)
>>>>>>
>>>>>>    __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>>>>    
>>>>>>       at
>>>>>>
>>>>>> Unknown.ps(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 3837) at
>>>>>> Unknown.xs(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.C3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.F3(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 19) at
>>>>>> Unknown.I2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 86) at
>>>>>> Unknown.lNx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 44) at
>>>>>> Unknown.PMx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 83) at
>>>>>> Unknown.ZMx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 5765) at
>>>>>> Unknown.gwf(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 13988) at
>>>>>> Unknown.x$(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 4001) at
>>>>>> Unknown.Z2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 209) at
>>>>>> Unknown.P2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 59) ... 25 more
>>>>>> Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError)
>>>>>>
>>>>>>    __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>>>>    
>>>>>>       at
>>>>>>
>>>>>> Unknown.Kds(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 41) at
>>>>>> Unknown.hNx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 74) at
>>>>>> Unknown.jNx(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985
>>>>>> F23D FC1C8BE1C7FDD91EDAA785.cache.html at 6015) at
>>>>>> Unknown.x$(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 4001) at
>>>>>> Unknown.Z2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 209) at
>>>>>> Unknown.I2(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F
>>>>>> 23DF C1C8BE1C7FDD91EDAA785.cache.html at 28) ... 32 more
>>> Here you go:
>>>
>>>      2016-10-20 09:13:24,742 ERROR
>>>      [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>      (default task-7) [] Permutation name: 430985F23DFC1C8BE1C7FDD91EDAA785
>>>      2016-10-20 09:13:24,747 ERROR
>>>      [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>>>      (default task-7) [] Uncaught exception: :
>>>      com.google.gwt.event.shared.UmbrellaException: Exception caught:
>>>      Exception caught: (TypeError)
>>>        __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>           at java.lang.Throwable.fillInStackTrace(Throwable.java:114)
>>>      [rt.jar:1.8.0_102]
>>>           at
>>>      java.lang.RuntimeException.RuntimeException(RuntimeException.java:32)
>>>      [rt.jar:1.8.0_102]
>>>           at
>>>     
>>> com.google.web.bindery.event.shared.UmbrellaException.UmbrellaException(Umb
>>> rellaException.java:70) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.event.shared.UmbrellaException.UmbrellaException(UmbrellaExc
>>> eption.java:25) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.event.shared.HandlerManager.$fireEvent(HandlerManager.java:1
>>> 17) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.view.client.SelectionChangeEvent.fire(SelectionChangeEvent.j
>>> ava:67) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.view.client.SingleSelectionModel.$resolveChanges(SingleSelec
>>> tionModel.java:118) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.view.client.SingleSelectionModel.isSelected(SingleSelectionM
>>> odel.java:82) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.user.cellview.client.HasDataPresenter.$resolvePendingState(H
>>> asDataPresenter.java:1062) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.user.cellview.client.CellTreeNodeView$TreeNodeImpl.$getChild
>>> Count(CellTreeNodeView.java:573) [gwt-servlet.jar:]
>>>           at
>>>     
>>> org.ovirt.engine.ui.webadmin.widget.tree.SystemTree.$expandTree(SystemTree.
>>> java:229) at
>>>     
>>> org.ovirt.engine.ui.webadmin.widget.tree.SystemTree$3.eventRaised(SystemTre
>>> e.java:110) at org.ovirt.engine.ui.uicompat.Event.$raise(Event.java:114) at
>>>     
>>> org.ovirt.engine.ui.uicommonweb.models.SearchableListModel.$setItems(Search
>>> ableListModel.java:802) at
>>>     
>>> org.ovirt.engine.ui.uicommonweb.models.SystemTreeModel.$executed(SystemTree
>>> Model.java:438) at
>>>     
>>> org.ovirt.engine.ui.uicommonweb.models.SystemTreeModel.executed(SystemTreeM
>>> odel.java:438) at
>>>      org.ovirt.engine.ui.frontend.Frontend$3.$onSuccess(Frontend.java:344)
>>>      [frontend.jar:]
>>>           at
>>>      org.ovirt.engine.ui.frontend.Frontend$3.onSuccess(Frontend.java:344)
>>>      [frontend.jar:]
>>>           at
>>>     
>>> org.ovirt.engine.ui.frontend.communication.OperationProcessor$3.$onSuccess(
>>> OperationProcessor.java:178) [frontend.jar:]
>>>           at
>>>     
>>> org.ovirt.engine.ui.frontend.communication.OperationProcessor$3.onSuccess(O
>>> perationProcessor.java:178) [frontend.jar:]
>>>           at
>>>     
>>> org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.
>>> $onSuccess(GWTRPCCommunicationProvider.java:271) [frontend.jar:]
>>>           at
>>>     
>>> org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.
>>> onSuccess(GWTRPCCommunicationProvider.java:271) [frontend.jar:]
>>>           at
>>>     
>>> com.google.gwt.rpc.client.impl.RpcCallbackAdapter.onResponseReceived(RpcCal
>>> lbackAdapter.java:72) [gwt-servlet.jar:]
>>>           at
>>>     
>>> org.ovirt.engine.ui.common.gin.BaseSystemModule$1$1.onResponseReceived(Base
>>> SystemModule.java:140) at
>>>     
>>> com.google.gwt.http.client.Request.$fireOnResponseReceived(Request.java:237
>>> ) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuild
>>> er.java:409) [gwt-servlet.jar:]
>>>           at
>>>     
>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmin/4
>>> 30985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 65) at
>>> com.google.gwt.core.client.impl.Impl.apply(Impl.java:296)
>>>      [gwt-servlet.jar:]
>>>           at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:335)
>>>      [gwt-servlet.jar:]
>>>           at
>>>     
>>> Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmin/4
>>> 30985F23DFC1C8BE1C7FDD91EDAA785.cache.html at 54)Caused by:
>>> com.google.gwt.event.shared.UmbrellaException: Exception caught:
>>> (TypeError)
>>>        __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>           at java.lang.Throwable.fillInStackTrace(Throwable.java:114)
>>>      [rt.jar:1.8.0_102]
>>>           at
>>>      java.lang.RuntimeException.RuntimeException(RuntimeException.java:32)
>>>      [rt.jar:1.8.0_102]
>>>           at
>>>     
>>> com.google.web.bindery.event.shared.UmbrellaException.UmbrellaException(Umb
>>> rellaException.java:70) [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.gwt.event.shared.UmbrellaException.UmbrellaException(UmbrellaExc
>>> eption.java:25) [gwt-servlet.jar:]
>>>           at
>>>      com.google.gwt.event.shared.EventBus.$castFireEvent(EventBus.java:65)
>>>      [gwt-servlet.jar:]
>>>           at
>>>     
>>> org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeSelectionChangeEvent.
>>> fire(SystemTreeSelectionChangeEvent.java:21) at
>>>     
>>> org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeModelProvider.$setSel
>>> ectedItems(SystemTreeModelProvider.java:108) at
>>>     
>>> org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeModelProvider$1.onSel
>>> ectionChange(SystemTreeModelProvider.java:59) at
>>>     
>>> com.google.gwt.view.client.SelectionChangeEvent.dispatch(SelectionChangeEve
>>> nt.java:98) [gwt-servlet.jar:]
>>>           at
>>>      com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:76)
>>>      [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.web.bindery.event.shared.SimpleEventBus.$doFire(SimpleEventBus.j
>>> ava:173) [gwt-servlet.jar:]
>>>           ... 26 more
>>>      Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError)
>>>        __gwt$exception: <skipped>: Cannot read property 'f' of null
>>>           at
>>>     
>>> org.ovirt.engine.ui.webadmin.plugin.entity.SystemTreeItemObject.from(System
>>> TreeItemObject.java:15) at
>>>     
>>> org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeSelectionChangeEvent.
>>> $dispatch(SystemTreeSelectionChangeEvent.java:50) at
>>>     
>>> org.ovirt.engine.ui.webadmin.uicommon.model.SystemTreeSelectionChangeEvent.
>>> dispatch(SystemTreeSelectionChangeEvent.java:50) at
>>>      com.google.gwt.event.shared.GwtEvent.dispatch(GwtEvent.java:76)
>>>      [gwt-servlet.jar:]
>>>           at
>>>     
>>> com.google.web.bindery.event.shared.SimpleEventBus.$doFire(SimpleEventBus.j
>>> ava:173) [gwt-servlet.jar:]
>>>           ... 33 more
>>>
>>>
>>>
>> Thanks, this is helpful, but it is spawning some new questions from me.
>>
>> The error appears to occur while you are doing something in the system tree on
>> the left hand side. A lot of different paths cause this code to run so I would
>> like to narrow it down a litte.
>>
>> - Are you clicking the 'expand all' button on the tree when this happens?
>> - Are you clicking to expand some part of the tree, if so which part?
>> - Are you clicking from one element in the to another? If so from which part
>> to which part?
>>
>> I am trying to narrow down exactly what is causing this so I can reproduce and
>> fix it here.
>>
>> Thanks,
>> Alexander
>>
>> ps.
>> In the meantime I will open a bugzilla on this so we can track it properly.
>>
>
> And now I have two popups with an error somewhat alike:
>
>     Uncaught exception occurred. Please try reloading the page.
>     Details: (TypeError) __gwt$exception: <skipped>: Cannot read
>     property 'firstChild' of null
>     Please have your administrator check the UI logs
>
> While watching the gluster volumes rebuilding on 
> https://ovirttest.netbulae.test/ovirt-engine/webadmin/?locale=en_US#volumes
>
> I put one gluster server in maintenance and after the volumes came up 
> again, I got the error without clicking anything
>
>     2016-10-27 11:22:09,997 ERROR
>     [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>     (default task-19) [] Permutation name:
>     430985F23DFC1C8BE1C7FDD91EDAA785
>     2016-10-27 11:22:09,997 ERROR
>     [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>     (default task-19) [] Uncaught exception: :
>     com.google.gwt.core.client.JavaScriptException: (TypeError)
>      __gwt$exception: <skipped>: Cannot read property 'firstChild' of null
>         at
>     com.google.gwt.dom.client.DOMImpl.$getFirstChildElement(DOMImpl.java:215)
>     [gwt-servlet.jar:]
>         at
>     org.ovirt.engine.ui.webadmin.widget.table.cell.VolumeActivityCompositeCell.getContainerElement(VolumeActivityCompositeCell.java:79)
>         at
>     com.google.gwt.cell.client.CompositeCell.isEditing(CompositeCell.java:116)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.cell.client.CompositeCell.isEditing(CompositeCell.java:116)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.user.cellview.client.AbstractCellTable.$fireEventToCell(AbstractCellTable.java:2416)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.user.cellview.client.AbstractCellTable.$onBrowserEvent2(AbstractCellTable.java:1773)
>     [gwt-servlet.jar:]
>         at
>     org.ovirt.engine.ui.common.widget.table.AbstractActionTable$1.onBrowserEvent2(AbstractActionTable.java:144)
>         at
>     com.google.gwt.user.cellview.client.AbstractHasData.onBrowserEvent(AbstractHasData.java:698)
>     [gwt-servlet.jar:]
>         at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1648)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.user.client.impl.DOMImplStandard.dispatchEvent(DOMImplStandard.java:320)
>     [gwt-servlet.jar:]
>         at com.google.gwt.core.client.impl.Impl.apply(Impl.java:296)
>     [gwt-servlet.jar:]
>         at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:335)
>     [gwt-servlet.jar:]
>         at
>     Unknown.<anonymous>(https://engineen.netbulae.mgmt/ovirt-engine/webadmin/430985F23DFC1C8BE1C7FDD91EDAA785.cache.html@54)
>     2016-10-27 11:22:10,032 ERROR
>     [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>     (default task-5) [] Permutation name: 430985F23DFC1C8BE1C7FDD91EDAA785
>     2016-10-27 11:22:10,032 ERROR
>     [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
>     (default task-5) [] Uncaught exception: :
>     com.google.gwt.core.client.JavaScriptException: (TypeError)
>      __gwt$exception: <skipped>: Cannot read property 'firstChild' of null
>         at
>     com.google.gwt.dom.client.DOMImpl.$getFirstChildElement(DOMImpl.java:215)
>     [gwt-servlet.jar:]
>         at
>     org.ovirt.engine.ui.webadmin.widget.table.cell.VolumeActivityCompositeCell.getContainerElement(VolumeActivityCompositeCell.java:79)
>         at
>     com.google.gwt.cell.client.CompositeCell.isEditing(CompositeCell.java:116)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.cell.client.CompositeCell.isEditing(CompositeCell.java:116)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.user.cellview.client.AbstractCellTable.$fireEventToCell(AbstractCellTable.java:2416)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.user.cellview.client.AbstractCellTable.$onBrowserEvent2(AbstractCellTable.java:1773)
>     [gwt-servlet.jar:]
>         at
>     org.ovirt.engine.ui.common.widget.table.AbstractActionTable$1.onBrowserEvent2(AbstractActionTable.java:144)
>         at
>     com.google.gwt.user.cellview.client.AbstractHasData.onBrowserEvent(AbstractHasData.java:698)
>     [gwt-servlet.jar:]
>         at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1648)
>     [gwt-servlet.jar:]
>         at
>     com.google.gwt.user.client.impl.DOMImplStandard.dispatchEvent(DOMImplStandard.java:320)
>     [gwt-servlet.jar:]
>         at com.google.gwt.core.client.impl.Impl.apply(Impl.java:296)
>     [gwt-servlet.jar:]
>         at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:335)
>     [gwt-servlet.jar:]
>         at
>     Unknown.<anonymous>(https://ovirttest.netbulae.test/ovirt-engine/webadmin/430985F23DFC1C8BE1C7FDD91EDAA785.cache.html@54)
>
>
>





Met vriendelijke groet, With kind regards,

Jorick Astrego

Netbulae Virtualization Experts 

----------------

	Tel: 053 20 30 270 	info at netbulae.eu 	Staalsteden 4-3A 	KvK 08198180
 	Fax: 053 20 30 271 	www.netbulae.eu 	7547 TA Enschede 	BTW NL821234584B01

----------------

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