Metadata extraction / QLI failures with BAD REQUEST HTTP response headers

Incident Report for Alation Cloud Service

Resolved

Fix has been implemented and confirmed to successfully resolve the issue. Root cause was result of AWS US-East-1 outage from previous day (Monday, October 20).
Posted Oct 21, 2025 - 21:04 UTC

Identified

Cause has been identified and fix implemented. Working on resolution.
Posted Oct 21, 2025 - 18:35 UTC

Investigating

We are currently investigating an issue with the MDE Pipeline service, which is preventing data extraction and causing errors. The error is related to a timeout connection to the pipeline service. Our team is working to resolve the issue as quickly as possible.

We will keep you posted with the progress as it becomes available.
Posted Oct 21, 2025 - 17:26 UTC
This incident affected: Alation Cloud Service - Dev (Americas (US-east) - Dev) and Alation Cloud Service (Americas (US-east)).