Our SQL Warehouse Serverless Endpoint started failing from this morning (2022-08-23 18:00:00 UTC):

“

org.apache.hadoop.hive.ql.metadata.HiveException: MetaException(message:Unable to build AWSGlueClient: com.amazonaws.SdkClientException: Unable to find a region via the region provider chain. Must provide an explicit region in the builder or setup environment to supply a region.)

“

I am 100% certain nothing changed from our ends in both AWS and Databricks.

Since all our workflows and DLTs are still running fine and all Databricks services/clusters are using the same instance profile with the same glueCatalog setting, I believe Databricks’ “Serverless Enpoints” are broken because I also fired up a “Classic” SQL Warehouses endpoint and everything worked as expected.