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ISOLATION_STARTUP_FAILURE for Serverless

PavloR
New Contributor II

Hi, I'm getting an error in my job which is using Serverless cluster: 
`[ISOLATION_STARTUP_FAILURE] Failed to start isolated execution environment. Please contact Databricks support. SQLSTATE: XXKSS`

It was working fine and then, this error appeared on 27 January. It seems like it impacts only jobs that use an autoloader.

Also, once I'm backing up to the "classic" cluster, I assume the same DBR version 15.4 as current Serverless is supposed to run - all working fine.

So, I suspect there are some ongoing issue with Serverless DBR, but I couldn't find any information about it online.

Has anyone faced the same issue? Any advice on how it can be resolved?

9 REPLIES 9

Alberto_Umana
Databricks Employee
Databricks Employee

Hi @PavloR,

Is it still failing? and could you please let me know which cloud region is your workspace on?

Last time it failed for me at 2:20 CET, but now seems that it is working again.

It is the West Europe region of Azure Cloud.

PavloR
New Contributor II

As mentioned before there was one successful run... But the few following failed again with the same issue. 

byronsalty
New Contributor II

We're seeing the same issue. Central US region.

This started yesterday (Tuesday 1/28 afternoon) and still happening right now (Wednesday 10:30am ET)

Alberto_Umana
Databricks Employee
Databricks Employee

I just found an internal case opened for this, I will follow up with it. ES-1328834

Hi @Alberto_Umana, just checking in on the status of the internal case. Please let me know if there are any updates.

byronsalty
New Contributor II

We're assuming this incident is related to this change:
https://learn.microsoft.com/en-us/azure/databricks/release-notes/product/2025/january

Alberto_Umana
Databricks Employee
Databricks Employee

Hello Team,

I see that issue is resolved, please confirm.

Yes, issue has been resolved. Thank you

 

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