[ovirt-users] Uncaught exception occurred

Alexander Wels awels at redhat.com
Mon Apr 4 08:53:03 EDT 2016


On Monday, April 04, 2016 08:19:58 AM Bloemen, Jurriën wrote:
> Hi all,
> 
> After upgrading to 3.6.4 I'm seeing errors in the webadmin portal when
> doing the following:
> 
> - Click on hosts.
> - Select a host
> - Put it in to maintenance
> - VMs get migrated from the host
> - Select an other host and go back to the first host
> - I get the following messages in the screen:
> 
> Uncaught exception occurred. Please try reloading the page. Details:
> Exception caught: (TypeError) __gwt$exception: <skipped>: Cannot read
> property 'cZ' of null
> Please have your administrator check the UI logs
> 
> Uncaught exception occurred. Please try reloading the page. Details:
> (TypeError) __gwt$exception: <skipped>: Cannot read property 'cZ' of null
> Please have your administrator check the UI logs
> 
> 
> ui.log:
> 
> 2016-04-04 09:02:04,431 ERROR
> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
> (default task-572) [] Permutation name: 66E351AA64642526AAD6BC90105ABC9B
> 2016-04-04 09:02:04,431 ERROR
> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
> (default task-572) [] Uncaught exception: :
> com.google.gwt.event.shared.UmbrellaException: Exception caught:
> (TypeError)
>   __gwt$exception: <skipped>: Cannot read property 'cZ' of null
>      at
> Unknown.ps(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 2739)
 at
> Unknown.xs(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 41)at
> Unknown.C3(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 19) at
> Unknown.F3(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 19)
 at
> Unknown.P2(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 117)
 at
> Unknown.Wvf(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 41)
 at Unknown.Mdm(<anonymous>@552)   
> at Unknown.Xdm(<anonymous>@40763) at
> Unknown.$vf(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 13399)
 at
> Unknown.Mu(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 102)
 at
> Unknown.Cu(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 59)
 at
> Unknown.eu(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 19)
 at
> Unknown.du(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 177)
 at
> Unknown.<anonymous>(https://twinp101.mgt.example.net/ovirt-engine/webadmin/6
> 6E351AA64642526AAD6BC90105ABC9B.cache.html at 54)Caused
 by:
> com.google.gwt.core.client.JavaScriptException: (TypeError)
>   __gwt$exception: <skipped>: Cannot read property 'cZ' of null
>      at
> Unknown.jWg(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 93)
 at Unknown.d9s(<anonymous>@48)    at
> Unknown.i9s(<anonymous>@41)    at Unknown.k9s(<anonymous>@63527)    at
> Unknown.kNr(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 189)
 at
> Unknown.Onl(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 19)
 at
> Unknown.jKp(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 36)
 at
> Unknown.BJo(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 53)
 at
> Unknown.XIo(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 31)
 at
> Unknown.NJo(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 23255)
 at
> Unknown.eso(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 70)
 at
> Unknown.lto(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 29)
 at
> Unknown.Yto(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 29101)
 at
> Unknown.oRk(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 36)
 at Unknown.Res(<anonymous>@59866)   
> at
> Unknown.Vvf(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 13252)
 at
> Unknown.x$(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 2901)
 at
> Unknown.Z2(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 209)
 at
> Unknown.P2(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 59)
 ... 9 more
> 
> 2016-04-04 09:02:10,076 ERROR
> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
> (default task-573) [] Permutation name: 66E351AA64642526AAD6BC90105ABC9B
> 2016-04-04 09:02:10,076 ERROR
> [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService]
> (default task-573) [] Uncaught exception: :
> com.google.gwt.core.client.JavaScriptException: (TypeError)
>   __gwt$exception: <skipped>: Cannot read property 'cZ' of null
>      at
> Unknown.jWg(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 93)
 at Unknown.d9s(<anonymous>@48)    at
> Unknown.i9s(<anonymous>@41)    at Unknown.k9s(<anonymous>@63527)    at
> Unknown.kNr(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 189)
 at
> Unknown.Onl(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 19)
 at
> Unknown.cKp(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 36)
 at
> Unknown.bKp(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 17)
 at
> Unknown.BJo(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 90)
 at
> Unknown.XIo(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 31)
 at
> Unknown.NJo(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 23255)
 at
> Unknown.dto(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 524)
 at
> Unknown.Xto(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 29066)
 at
> Unknown.zzo(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 6630)
 at
> Unknown.BQn(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 84)
 at
> Unknown.EQn(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 438)
 at
> Unknown.vUn(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 40)
 at
> Unknown.yUn(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 25827)
 at
> Unknown.tTn(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 180)
 at
> Unknown.wTn(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 24587)
 at
> Unknown.xJe(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 20025)
 at
> Unknown._yk(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 9583)
 at
> Unknown.P3(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 137)
 at
> Unknown.g4(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 7171)
 at
> Unknown.<anonymous>(https://twinp101.mgt.example.net/ovirt-engine/webadmin/6
> 6E351AA64642526AAD6BC90105ABC9B.cache.html at 65)
 at
> Unknown._t(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA64
> 642526AAD6BC90105ABC9B.cache.html at 29)at
> Unknown.du(https://twinp101.mgt.example.net/ovirt-engine/webadmin/66E351AA6
> 4642526AAD6BC90105ABC9B.cache.html at 57) at
> Unknown.<anonymous>(https://twinp101.mgt.example.net/ovirt-engine/webadmin/6
> 6E351AA64642526AAD6BC90105ABC9B.cache.html at 54)
 
> I have the following version of the packages:
> 
> ovirt-engine-3.6.4.1-1.el7.centos.noarch
> ovirt-engine-webadmin-portal-3.6.4.1-1.el7.centos.noarch
> 
> And it is running on CentOS 7.
> 
> Is this a bug? or went something wrong when upgrading?
> 

It is most likely a bug in the UI. The stack trace in the UI.log is an 
obfuscated stack trace so no that useful. If you can reproduce this reliably 
can you do the following?

1. Install the ovirt UI debug symbol maps by running:
yum install ovirt-engine-webadmin-portal-debuginfo ovirt-engine-userportal-
debuginfo

This will install the symbol maps that will allow us to translate the 
obfuscated code back into the original source code. We don't normally install 
this by default as its rather large ~80 megabytes.

2. Log into the webadmin again and do the same steps that generate the 
exception popup. Look in the UI.log again. This time the stack trace should be 
readable. Please open a bug in bugzilla and include the non obfuscated stack 
trace, or post the stack trace here and I can open it for you.

Thanks,
Alexander

> Kind Regards,
> 
> Jurriën Bloemen
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