Hello,

since a while I use dbutils.notebook.run for multiple calling of additional notebooks and passing parameters to them. So far I could use the function without any difficulties - also today.

But since a few hours now I get the following error message when calling the notebook:

com.databricks.WorkflowException: com.databricks.common.client.UnexpectedHttpError: HTTP request failed with status: HTTP/1.1 401 Unauthorized

The call (even this simplified test call generates the error):

test = dbutils.notebook.run("./test2", timeout_seconds = 300 )

Does anyone know how this error occurs and how I can fix it?

I tried it on different clusters, terminated/restarted the clusters and have still the same problem. Could an authorization/token have expired between the last successful run and the error?

Best regards

Markus