Bug: Intermittent [tier 2] browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js | Uncaught exception - ExperimentAPI should return an experiment - timed out after 50 tries.
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2021-06-03 06:04:41+00:00
Resolved: 2022-07-26 00:08:20+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=341606123&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Iw28cqSxSo-ja3gHHqbELQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-06-03T05:44:05.663Z] 05:44:05     INFO - TEST-START | browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js
[task 2021-06-03T05:44:05.728Z] 05:44:05     INFO - GECKO(1565) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-06-03T05:44:05.729Z] 05:44:05     INFO - GECKO(1565) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-06-03T05:44:06.428Z] 05:44:06     INFO - GECKO(1565) | -----------------------------------------------------
[task 2021-06-03T05:44:06.428Z] 05:44:06     INFO - GECKO(1565) | Suppressions used:
[task 2021-06-03T05:44:06.429Z] 05:44:06     INFO - GECKO(1565) |   count      bytes template
[task 2021-06-03T05:44:06.430Z] 05:44:06     INFO - GECKO(1565) |      14        448 nsComponentManagerImpl
[task 2021-06-03T05:44:06.430Z] 05:44:06     INFO - GECKO(1565) |       2        288 libfontconfig.so
[task 2021-06-03T05:44:06.431Z] 05:44:06     INFO - GECKO(1565) | -----------------------------------------------------
[task 2021-06-03T05:44:10.799Z] 05:44:10     INFO - TEST-INFO | started process screentopng
[task 2021-06-03T05:44:10.971Z] 05:44:10     INFO - TEST-INFO | screentopng: exit 0
[task 2021-06-03T05:44:10.972Z] 05:44:10     INFO - Buffered messages logged at 05:44:05
[task 2021-06-03T05:44:10.972Z] 05:44:10     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js | Sanity check the temporary file doesn't exist. - true == true - 
[task 2021-06-03T05:44:10.973Z] 05:44:10     INFO - Entering test bound test_loading_experimentsAPI
[task 2021-06-03T05:44:10.973Z] 05:44:10     INFO - Buffered messages finished
[task 2021-06-03T05:44:10.974Z] 05:44:10     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js | Uncaught exception - ExperimentAPI should return an experiment - timed out after 50 tries.
[task 2021-06-03T05:44:10.974Z] 05:44:10     INFO - Leaving test bound test_loading_experimentsAPI
[task 2021-06-03T05:44:10.974Z] 05:44:10     INFO - Entering test bound test_exposure_ping
[task 2021-06-03T05:44:15.849Z] 05:44:15     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-03T05:44:15.850Z] 05:44:15     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js | Uncaught exception - ExperimentAPI should return an experiment - timed out after 50 tries.
[task 2021-06-03T05:44:15.851Z] 05:44:15     INFO - Leaving test bound test_exposure_ping
[task 2021-06-03T05:44:15.851Z] 05:44:15     INFO - Entering test bound test_featureless_experiment
[task 2021-06-03T05:44:15.851Z] 05:44:15     INFO - TEST-PASS | browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js | Empty store - true == true - 
[task 2021-06-03T05:44:20.889Z] 05:44:20     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-03T05:44:20.891Z] 05:44:20     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js | Uncaught exception - ExperimentAPI should return an experiment - timed out after 50 tries.
[task 2021-06-03T05:44:20.892Z] 05:44:20     INFO - Leaving test bound test_featureless_experiment
[task 2021-06-03T05:44:20.909Z] 05:44:20     INFO - GECKO(1565) | MEMORY STAT | vsize 20975144MB | residentFast 1123MB
[task 2021-06-03T05:44:20.910Z] 05:44:20     INFO - TEST-OK | browser/components/newtab/test/browser/browser_asrouter_experimentsAPILoader.js | took 15247ms
[task 2021-06-03T05:44:20.953Z] 05:44:20     INFO - checking window state
[task 2021-06-03T05:44:20.996Z] 05:44:20     INFO - TEST-START | browser/components/newtab/test/browser/browser_asrouter_group_frequency.js
```