Error invoking callback VolatileContentCallback

Hi,


I'm having the same error in several espaces: "Error invoking callback OutSystems.HubEdition.RuntimePlatform.Callbacks.VolatileContentCallback on event Unknown: Object reference not set to an instance of an object."


Can anyone help?


Thanks,

Pedro

Did you just do a deployment? It may be something related to newly deployed code and pages already opened, though those errors are usually related to viewstate.

Also, is that the full stack trace, or is there more that you aren't showing in the screenshot? It seems rather short for a stack trace.

Is it only on this one screen, or do other screens work fine?

J.Ja

Hi Justin,

I'm showing the full stack trace and they are old pages, someones with almost one year.

I only noticed this error in two spaces but on several screens:

- Clients.aspx
- License.aspx
- MyFamily.aspx
- Homepage.aspx
- ActivityGroups.aspx

Note: In QA I do not have these errors.


Thanks,

Pedro


Hi,


That code is related to callbacks that allow content to added in all pages of every application (Like the ECT, EPA Taskbox and Performance Monitor probe).

That error message won't cause any functional problem in your pages, other than that element not appear on the pages.


How frequent are the errors? They  are sporadic or they keep appearing? It may be just a problem initializating the cache at the beginning.

It's hard to pinpoint the error just from the error logs (since they don't mention what the callback with the problem is), if the problem continues you better open a support ticket about it.


Regards,
João Rosado

Hi João,


Whenever I try to open one of the indicated pages the error appears, this situation already happens a some time, we require the upgrade for the last version but not resolved the issue.

After read you message I disabled the ECT but the situation remains.

I will open a support ticket.

Thanks,

Pedro

Pedro Coelho wrote:

Hi João,


Whenever I try to open one of the indicated pages the error appears, this situation already happens a some time, we require the upgrade for the last version but not resolved the issue.

After read you message I disabled the ECT but the situation remains.

I will open a support ticket.

Thanks,

Pedro


Hi Pedro,

I am getting the same problem. Did you manage to solve it?

Thanks

Grant

Hi all,

Have you found a way to solve this error?

Kind regards.

I'm having the same error in several espaces: "Error invoking callback OutSystems.HubEdition.RuntimePlatform.Callbacks.VolatileContentCallback on event Unknown: Object reference not set to an instance of an object.

Hi guys I'm having the same error in several eSpaces. Anyone here found a way to solve the problem?

Hi guys,

I'm having the exacty the same errors in several modules. Any news?

Platform Server 10.0.708.0 (version)

Regards,

Paulo Carvalho

Hi, 


The null pointer itself on that error is fixed on 11.7.0+ versions, but that doesn't really represent the root cause of the problem, or does it cause any problem by itself, as it is only logged and the requests continue normally after.

The error itself it's caused by a request error to either EPA_Taskbox or ECT_Provider modules. Usually in the ones I saw happening they were caused by timeouts, and there were other errors logged related to that.

If you do not use EPA_Taskbox in particular is enabled by default. If in your case you do not use it, disabling it in by accessing the /EPA_Taskbox/ backoffice can remove the errors and improve your application performance if it the source of the errors.

If you use it or ECT then I recommend checking if there are other errors near that one that are not the "Object set to an instance of an object" error to understand what is the root cause.


Regards,

João Rosado

Hi All,

Is there any solution to this issue identified. I am facing the same issue.

We have disabled ECT_Provider, but below is the error 

Error invoking callback OutSystems.HubEdition.RuntimePlatform.Callbacks.ECT.ECTGetHtmlCallback on event GetHtmlForUser: The remote server returned an error: (404) Not Found. 


Thanks,

Saicharan