Celery EagerResult doesn't seem to poplate name (Fix)

The Fix

pip install celery==5.3.5

Based on closed celery/celery issue #7715 · PR/commit linked

Open PR/Commit

@@ -788,6 +788,7 @@ def apply(self, args=None, kwargs=None,
         request = {
             'id': task_id,
+            'task': self.name,
             'retries': retries,
             'is_eager': True,

fix.md

Option A — Upgrade to fixed release\npip install celery==5.3.5\nWhen NOT to use: This fix should not be applied if the task name is not required for debugging.\n\n

Why This Fix Works in Production

Trigger: EagerResult doesn't seem to poplate name
Mechanism: The name property of EagerResult was not populated when tasks were run eagerly
Why the fix works: Fixes the issue where the name property of EagerResult is not populated when tasks are run eagerly. (first fixed release: 5.3.5).

Why This Breaks in Prod

The name property of EagerResult was not populated when tasks were run eagerly
Production symptom (often without a traceback): EagerResult doesn't seem to poplate name

Proof / Evidence

GitHub issue: #7715
Fix PR: https://github.com/celery/celery/pull/8486
First fixed release: 5.3.5
Reproduced locally: No (not executed)
Last verified: 2026-02-09
Confidence: 0.75
Did this fix it?: Yes (upstream fix exists)
Own content ratio: 0.79

Discussion

High-signal excerpts from the issue thread (symptoms, repros, edge-cases).

Jump to Sources Open on GitHub

“I'll see what I can find, I'm no longer working at the organisation* I did that project for, but it is open source so I…”

@stuaxo · 2022-12-08 · source

“Hey @stuaxo :wave:, Thank you for opening an issue”

@open-collective-bot · 2022-08-18 · source

“do you have any failing test/implementation detail in mind to share?”

@auvipy · 2022-12-08 · source

“I really wish that every contract had a budget to put towards open source projects they use - I did raise this @ the last…”

@stuaxo · 2022-12-08 · source

Failure Signature (Search String)

EagerResult doesn't seem to poplate name
we have to revert this for a regression.

Copy-friendly signature

signature.txt

Failure Signature
-----------------
EagerResult doesn't seem to poplate name
we have to revert this for a regression.

Error Message

Signature-only (no traceback captured)

error.txt

Error Message
-------------
EagerResult doesn't seem to poplate name
we have to revert this for a regression.

What Broke

Debugging tasks became difficult due to missing task names in EagerResult.

Why It Broke

The name property of EagerResult was not populated when tasks were run eagerly

Fix Options (Details)

Option A — Upgrade to fixed release Safe default (recommended)

pip install celery==5.3.5

When NOT to use: This fix should not be applied if the task name is not required for debugging.

Use when you can deploy the upstream fix. It is usually lower-risk than long-lived workarounds.

Fix reference: https://github.com/celery/celery/pull/8486

First fixed release: 5.3.5

Last verified: 2026-02-09. Validate in your environment.

When NOT to Use This Fix

This fix should not be applied if the task name is not required for debugging.

Did This Fix Work in Your Case?

Quick signal helps us prioritize which fixes to verify and improve.

Prevention

Capture the exact failing error string in logs and tests so you can reproduce via a minimal script.
Pin production dependencies and upgrade only with a reproducible test that hits the failing path.

Version Compatibility Table

Version	Status
5.3.5	Fixed

Related Issues

No related fixes found.

Cluster: celery:other Celery hub Celery best practices All hubs All clusters

Related clusters: Configuration error Data consistency Duplicates

Sources

We don’t republish the full GitHub discussion text. Use the links above for context.