topic Unable to connect to the cluster in Data Engineering

Unable to connect to the cluster

Prashiratnam123 — Sat, 15 Mar 2025 01:27:07 GMT

Container launch failure:

An unexpected error was encountered while launching containers on worker instances for the cluster. Please retry and contact Databricks if the problem persists.

Instance ID: i-02aadc9a7c3532af0

Internal error message: Failed to launch spark container on instance i-02aadc9a7c3532af0. Exception: Unexpected internal error, please contact Databricks support.

Please help me to resole this issue

Re: Unable to connect to the cluster

Alberto_Umana — Sat, 15 Mar 2025 17:20:06 GMT

Hello @Prashiratnam123, Is this error observed consistently?

Which region is your workspace on and when did this happen?

Re: Unable to connect to the cluster

Prashiratnam123 — Wed, 19 Mar 2025 02:54:17 GMT

Yes, it's happening consistently, forgot the region.

Please help me to resolve( how to get the region details)

Re: Unable to connect to the cluster

Isi — Wed, 19 Mar 2025 09:07:29 GMT

Hey @Prashiratnam123

Could you provide more details on how you are trying to install the container?

1. Are you using a custom Docker image or a base Databricks container?

2.Are you mixing architectures (Graviton ARM vs. AMD64)? Some instances in AWS (like m6g, c7g) run on ARM architecture, which might not be compatible with AMD64-based Docker images.

3.Are there any errors in the cluster event logs? You can check the event logs in the Databricks UI under Clusters > Event Log to see if there are more details on why the container failed to launch.

If possible, please share the following details:

•The Docker image name and tag
•The Databricks runtime version
•The instance type you are using (m5, m6g, etc.)

This will help diagnose the issue faster. 🚀

Re: Unable to connect to the cluster

Prashiratnam123 — Wed, 19 Mar 2025 17:30:50 GMT

I'm using community addition.

Regards,

Sundaram