Bug: High frequency browser/components/newtab/test/browser/abouthomecache/browser_no_startup_actions.js | Uncaught exception - undefined - threw exception: TypeError: can't access property "loaded", feed is undefined
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2020-07-08 02:23:33+00:00
Resolved: 2020-07-27 06:01:43+00:00

**Filed by:** nbeleuzu [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=308904127&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/DGsdcftnRC-awmajOrOiEQ/runs/0/artifacts/public/logs/live_backing.log

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[task 2020-07-08T01:19:37.663Z] 01:19:37     INFO - TEST-PASS | browser/components/newtab/test/browser/abouthomecache/browser_no_startup_actions.js | Expected the right value set to browser.startup.abouthome_cache_result scalar. - 6 == 6 - 
[task 2020-07-08T01:19:37.664Z] 01:19:37     INFO - Buffered messages finished
[task 2020-07-08T01:19:37.664Z] 01:19:37     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/abouthomecache/browser_no_startup_actions.js | Uncaught exception - undefined - threw exception: TypeError: can't access property "loaded", feed is undefined
[task 2020-07-08T01:19:37.666Z] 01:19:37     INFO - Leaving test bound test_no_startup_actions
[task 2020-07-08T01:19:37.667Z] 01:19:37     INFO - Console message: 1594171177126	AboutHomeStartupCache	TRACE	Preloaded about:newtab was updated.
[task 2020-07-08T01:19:37.669Z] 01:19:37     INFO - Console message: 1594171177149	AboutHomeStartupCache	TRACE	Preloaded about:newtab was updated.
[task 2020-07-08T01:19:37.672Z] 01:19:37     INFO - Console message: 1594171177167	AboutHomeStartupCache	TRACE	Preloaded about:newtab was updated.
[task 2020-07-08T01:19:37.673Z] 01:19:37     INFO - Console message: 1594171177173	AboutHomeStartupCache	TRACE	Preloaded about:newtab was updated.
[task 2020-07-08T01:19:37.674Z] 01:19:37     INFO - Console message: 1594171177176	AboutHomeStartupCache	TRACE	Preloaded about:newtab was updated.
[task 2020-07-08T01:19:37.676Z] 01:19:37     INFO - GECKO(8570) | MEMORY STAT | vsize 3040MB | residentFast 337MB | heapAllocated 100MB
[task 2020-07-08T01:19:37.676Z] 01:19:37     INFO - TEST-OK | browser/components/newtab/test/browser/abouthomecache/browser_no_startup_actions.js | took 1830ms
[task 2020-07-08T01:19:37.677Z] 01:19:37     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-07-08T01:19:37.680Z] 01:19:37     INFO - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/abouthomecache/browser_no_startup_actions.js | Found an unexpected tab at the end of test run: about:home - 
[task 2020-07-08T01:19:37.681Z] 01:19:37     INFO - GECKO(8570) | [Child 8798: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 0x7f055e342400 == 2 [pid = 8798] [id = {88545fc9-920b-4bfe-8bf0-32f9fb70a694}]
[task 2020-07-08T01:19:37.682Z] 01:19:37     INFO - GECKO(8570) | [Child 8798: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 4 (0x7f057a6936f0) [pid = 8798] [serial = 9] [outer = (nil)]
[task 2020-07-08T01:19:37.682Z] 01:19:37     INFO - GECKO(8570) | [Child 8798: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 5 (0x7f055e343c00) [pid = 8798] [serial = 10] [outer = 0x7f057a6936f0]
[task 2020-07-08T01:19:37.683Z] 01:19:37     INFO - checking window state