Messages Not Moving to Dead Letter Queue After Max Retries

Developers
1

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example.com

What is the issue or error you’re encountering

Messages Not Moving to Dead Letter Queue After Max Retries

What are the steps to reproduce the issue?

I’m experiencing an issue with Cloudflare Workers Queues where messages in my primary queue (mqueue) do not move to the Dead Letter Queue (mqueue-dlq) after reaching the maximum retry limit.

Context and Configuration:

I have set up a Cloudflare Worker with the following queue configuration:

  • Producer Configuration:

    queues.producers = [
    { queue = 'mqueue', binding = 'QUEUE_PAYMENT' },
]

  • Consumer Configuration:

    queues.consumers = [
    { queue = 'mqueue', dead_letter_queue = 'mqueue-dlq', max_batch_size = 10, max_batch_timeout = 1, max_retries = 3 },
]

Problem:

  • I’ve confirmed through logging that the messages in the mqueue queue are throwing errors and have reached the maximum retry count of 3.
  • Despite this, the messages do not appear in the Dead Letter Queue (mqueue-dlq) as expected.

What I’ve Tried:

  1. Checked the Configuration:

    • Verified the dead_letter_queue and max_retries settings in both my wrangler.toml file and the Cloudflare Dashboard.
    • Ensured that the mqueue-dlq queue is correctly created and configured.

  2. Re-deployed the Worker:

    • Re-deployed my Cloudflare Worker with the updated configuration to ensure that all settings were properly applied.

  3. Verified Logs:

    • Observed in the logs that the messages in the mqueue queue have been retried 3 times and failed each time.

  4. Tested with Manual Errors:

    • Manually sent test messages to the mqueue queue, induced errors, and confirmed that they were retried 3 times, but still did not move to the Dead Letter Queue.

Request for Assistance:

Could anyone help me understand why the messages are not moving to the Dead Letter Queue after the maximum retries? Is there any additional configuration or step I might be missing?

2

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