# Send failed rows aside

Control / error

A variant of [Handle errors and retries](https://meridian.online/operations/handle-errors-and-retries).

Route the rows that failed a step to a separate output or dead-letter file while the rest carry on.

Page: <https://meridian.online/operations/handle-errors-and-retries/send-failed-rows-aside>

## Status

Not built yet.

arcform does not do this yet; it would live in how a Protocol runs. [Its place on the roadmap](https://meridian.online/roadmap#handle-errors-and-retries)

## What other tools call it

Meridian's classification; an independent blind rating agreed on 95.7% of 324 rows (variant, version 3).

- Duckle: [`Dead Letter Queue`](https://github.com/slothflowlabs/duckle/blob/f85f8960edfb6efbf4cb89d58a7b32e16df0e867/frontend/src/workflow-ui/palette-data.ts) (read 2026-09-25)
- AWS Glue: [`ErrorsAsDynamicFrame`](https://docs.aws.amazon.com/glue/latest/dg/aws-glue-api-crawler-pyspark-transforms-ErrorsAsDynamicFrame.html) (read 2026-09-27)
- Talend: [`tJobReject`](https://help.qlik.com/talend/en-US/components/8.0/talend-cloud/talend-cloud-component) (read 2026-09-27)