Unable to retrieve Container Name while Creating Storage Event Trigger

Question

Unable to retrieve Container Name while Creating Storage Event Trigger

Krishnamohan Nadimpalli 406

Hi

I am trying to create Storage Event Trigger in Azure Data Factory...But Containers are not displayed in the drop-down. And my subscription is registered with Event Grid also

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Answer 1

MartinJaffer-MSFT 26,236

Hello and welcome to Microsoft Q&A @Krishnamohan Nadimpalli .

I see you have an unusual error while trying to set up Storage Event trigger. This is an error message I have not seen before. Thank you for showing me something new.

From this message "The container name is not written in an accepted format." , only two possibilities spring to mind immediately.

I suspect there are some unusual characters in the name of one of the containers.
Something like con/tai\******@nowhere.go. Or maybe a control character. I haven't tried a name like that before, but it seems a likely cause to me.

There are REST API's which work on storage, and REST goes over https, so something which breaks a URL validation makes a likely culprit.

Another thought was compatibility with some legacy type of storage. This is less likely. Storage isn't my main area of expertise.

One good test is to try making a similar trigger on a different storage account. This would tell us whether the problem is limited to that storage account.

On the off chance there is some glitch in the browser session, can you try again after reloading the page, or on a different computer?

Krishnamohan Nadimpalli 406 Reputation points

2022-06-01T02:17:14.577+00:00

Hi @MartinJaffer-MSFT

You are right. It seems it is not working on traditional Blob Storage. But when I try on ADLS2 it is working. Thankyou very much for your inputs.
MartinJaffer-MSFT 26,236 Reputation points

2022-06-01T16:21:01.417+00:00

@Krishnamohan Nadimpalli it should work on the same type of storage account as ADLS gen2, but without Heirarchical Namespace enabled. Often times I refer to that as Blob storage. However I vaguely remember hearing about some other storage type that was also called Blob storage.

Does this clarify? I know the event trigger should work, because originally it worked only without Heirarchical Namespace.
MartinJaffer-MSFT 26,236 Reputation points

2022-06-01T16:42:30.667+00:00
Looking at the storage documentation, I'm starting to suspect the problem is StorageAccount vs StorageAccountV2 , not blob vs ADLS gen2.

To help understand what I am talking about, here is a screenshot of looking at the list of storage accounts in my subscription. I have boxed in red, under "Kind" Storage and StorageV2.

I don't want to give the impression people can't use blob storage, or can only use ADLS gen2. I know both work @Krishnamohan Nadimpalli .

I have asked my coworker in the storage area for clarifications, and am awaiting answer.

Also, I have converted comment to answer so you may mark as accepted answer.

Hope this will help. Please let us know if any further queries.

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Unable to retrieve Container Name while Creating Storage Event Trigger

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