Bug: Intermittent browser/components/places/tests/browser/browser_bookmarks_toolbar_telemetry.js | Uncaught exception - Waiting for bookmarks-bar_move_newtab_never_toolbar-context-menu to appear in Telemetry snapshot - timed out after 50 tries.
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-04-08 21:37:40+00:00
Resolved: 2022-12-23 16:32:43+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=335885144&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/MLuWcYPGQH-pqRFyFRMwzg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-04-08T20:49:14.425Z] 20:49:14     INFO - TEST-OK | browser/components/places/tests/browser/browser_bookmarks_toolbar_context_menu_view_options.js | took 2355ms
[task 2021-04-08T20:49:14.430Z] 20:49:14     INFO - GECKO(10280) | [Child 1340: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 216a4924c00 == 1 [pid = 1340] [id = 30]
[task 2021-04-08T20:49:14.430Z] 20:49:14     INFO - GECKO(10280) | [Child 1340: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (216ab12e200) [pid = 1340] [serial = 76] [outer = 0]
[task 2021-04-08T20:49:14.430Z] 20:49:14     INFO - GECKO(10280) | [Child 1340: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 4 (216a4991400) [pid = 1340] [serial = 77] [outer = 216ab12e200]
[task 2021-04-08T20:49:14.449Z] 20:49:14     INFO - checking window state
[task 2021-04-08T20:49:14.474Z] 20:49:14     INFO - TEST-START | browser/components/places/tests/browser/browser_bookmarks_toolbar_telemetry.js
[task 2021-04-08T20:49:14.733Z] 20:49:14     INFO - GECKO(10280) | [Parent 5080, Main Thread] WARNING: Must complete empty transaction when compositing!: file /builds/worker/checkouts/gecko/layout/base/PresShell.cpp:6304
[task 2021-04-08T20:49:14.977Z] 20:49:14     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 79 (212147f9ac0) [pid = 5080] [serial = 90] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:14.977Z] 20:49:14     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 78 (212182e7900) [pid = 5080] [serial = 102] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:14.977Z] 20:49:14     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 77 (2121312f580) [pid = 5080] [serial = 30] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties2.xhtml]
[task 2021-04-08T20:49:14.977Z] 20:49:14     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 76 (212182e7740) [pid = 5080] [serial = 99] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:14.977Z] 20:49:14     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 75 (212145fec80) [pid = 5080] [serial = 128] [outer = 0] [url = about:buildconfig]
[task 2021-04-08T20:49:14.977Z] 20:49:14     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 74 (212147ceac0) [pid = 5080] [serial = 125] [outer = 0] [url = about:buildconfig]
[task 2021-04-08T20:49:17.790Z] 20:49:17     INFO - GECKO(10280) | [Child 6508: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (1ffd6d99400) [pid = 6508] [serial = 40] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:17.809Z] 20:49:17     INFO - GECKO(10280) | [Child 6508: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 1ffd043d400 == 0 [pid = 6508] [id = 18] [url = about:blank]
[task 2021-04-08T20:49:18.051Z] 20:49:18     INFO - GECKO(10280) | [Child 1340: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (216a4941800) [pid = 1340] [serial = 75] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.051Z] 20:49:18     INFO - GECKO(10280) | [Child 1340: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (216ab561000) [pid = 1340] [serial = 73] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.212Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 212186ea800 == 20 [pid = 5080] [id = 32] [url = about:robots]
[task 2021-04-08T20:49:18.212Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2121f41e400 == 19 [pid = 5080] [id = 53] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:18.212Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2122215d400 == 18 [pid = 5080] [id = 54] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:18.212Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 21219768800 == 17 [pid = 5080] [id = 52] [url = about:buildconfig]
[task 2021-04-08T20:49:18.212Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2121044b400 == 16 [pid = 5080] [id = 43] [url = chrome://browser/content/browser.xhtml]
[task 2021-04-08T20:49:18.212Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 21216837800 == 15 [pid = 5080] [id = 17] [url = about:mozilla]
[task 2021-04-08T20:49:18.212Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2121b3ba400 == 14 [pid = 5080] [id = 31] [url = about:robots]
[task 2021-04-08T20:49:18.213Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 21220d7b800 == 13 [pid = 5080] [id = 42] [url = chrome://browser/content/places/places.xhtml]
[task 2021-04-08T20:49:18.251Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 212173f1c00 == 12 [pid = 5080] [id = 24] [url = chrome://browser/content/browser.xhtml]
[task 2021-04-08T20:49:18.251Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2120c4ad400 == 11 [pid = 5080] [id = 26] [url = about:robots]
[task 2021-04-08T20:49:18.251Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2120c2c4400 == 10 [pid = 5080] [id = 27] [url = about:robots]
[task 2021-04-08T20:49:18.251Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2121683d000 == 9 [pid = 5080] [id = 28] [url = about:buildconfig]
[task 2021-04-08T20:49:18.251Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 21220ecbc00 == 8 [pid = 5080] [id = 51] [url = chrome://browser/content/places/bookmarkProperties2.xhtml]
[task 2021-04-08T20:49:18.251Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2121f421000 == 7 [pid = 5080] [id = 41] [url = chrome://browser/content/places/places.xhtml]
[task 2021-04-08T20:49:18.251Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 73 (2121da0e400) [pid = 5080] [serial = 140] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 72 (2121b82c400) [pid = 5080] [serial = 136] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 71 (21218017c00) [pid = 5080] [serial = 130] [outer = 0] [url = about:buildconfig]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 70 (2121b2d0400) [pid = 5080] [serial = 127] [outer = 0] [url = about:buildconfig]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 69 (2121a0a3800) [pid = 5080] [serial = 100] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 68 (21219771400) [pid = 5080] [serial = 73] [outer = 0] [url = chrome://browser/content/places/bookmarksSidebar.xhtml]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 67 (2121f53f400) [pid = 5080] [serial = 119] [outer = 0] [url = chrome://browser/content/places/bookmarksSidebar.xhtml]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 66 (2120c2c0000) [pid = 5080] [serial = 31] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.252Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 65 (2121da05400) [pid = 5080] [serial = 103] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.253Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 64 (21219defc00) [pid = 5080] [serial = 91] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.253Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 63 (212104d1000) [pid = 5080] [serial = 120] [outer = 0] [url = about:blank]
[task 2021-04-08T20:49:18.255Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 212134f4400 == 6 [pid = 5080] [id = 46] [url = about:buildconfig]
[task 2021-04-08T20:49:18.255Z] 20:49:18     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2121a0a3c00 == 5 [pid = 5080] [id = 45] [url = about:buildconfig]
[task 2021-04-08T20:49:20.085Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 62 (212145fe740) [pid = 5080] [serial = 121] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-04-08T20:49:20.085Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 61 (2120c4a83c0) [pid = 5080] [serial = 34] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties2.xhtml]
[task 2021-04-08T20:49:20.085Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 60 (2121a99cac0) [pid = 5080] [serial = 146] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties2.xhtml]
[task 2021-04-08T20:49:20.085Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 59 (21222175900) [pid = 5080] [serial = 117] [outer = 0] [url = chrome://browser/content/places/places.xhtml]
[task 2021-04-08T20:49:20.085Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 58 (2121b7bb040) [pid = 5080] [serial = 152] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 57 (21221587040) [pid = 5080] [serial = 138] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 56 (2121b7bbac0) [pid = 5080] [serial = 155] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 55 (2121dc703c0) [pid = 5080] [serial = 56] [outer = 0] [url = chrome://browser/content/places/places.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 54 (21217bf9c80) [pid = 5080] [serial = 32] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties2.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 53 (2121c902580) [pid = 5080] [serial = 149] [outer = 0] [url = about:buildconfig]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 52 (2121312f040) [pid = 5080] [serial = 85] [outer = 0] [url = chrome://browser/content/places/places.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 51 (2121690ec80) [pid = 5080] [serial = 131] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 50 (21222175740) [pid = 5080] [serial = 142] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:20.086Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 49 (212147ce040) [pid = 5080] [serial = 60] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-04-08T20:49:20.087Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 48 (212186aeac0) [pid = 5080] [serial = 22] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-04-08T20:49:20.087Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 47 (21217356580) [pid = 5080] [serial = 134] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties.xhtml]
[task 2021-04-08T20:49:20.087Z] 20:49:20     INFO - GECKO(10280) | [Parent 5080: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 46 (21217fa0740) [pid = 5080] [serial = 42] [outer = 0] [url = chrome://browser/content/places/bookmarkProperties2.xhtml]
[task 2021-04-08T20:49:20.715Z] 20:49:20     INFO - GECKO(10280) | [Child 10756: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 1ee4fe0dc00 == 2 [pid = 10756] [id = 5] [url = about:newtab]
[task 2021-04-08T20:49:20.715Z] 20:49:20     INFO - GECKO(10280) | [Child 10756: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 1ee4df8f800 == 1 [pid = 10756] [id = 0] [url = about:newtab]
[task 2021-04-08T20:49:20.715Z] 20:49:20     INFO - GECKO(10280) | [Child 10756: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (1ee51d203c0) [pid = 10756] [serial = 16] [outer = 0] [url = about:newtab]
[task 2021-04-08T20:49:20.715Z] 20:49:20     INFO - GECKO(10280) | [Child 10756: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (1ee4df3a040) [pid = 10756] [serial = 1] [outer = 0] [url = about:newtab]
[task 2021-04-08T20:49:20.799Z] 20:49:20     INFO - TEST-INFO | started process screenshot
[task 2021-04-08T20:49:20.859Z] 20:49:20     INFO - TEST-INFO | screenshot: exit 0
[task 2021-04-08T20:49:20.859Z] 20:49:20     INFO - Buffered messages logged at 20:49:14
[task 2021-04-08T20:49:20.859Z] 20:49:20     INFO - Entering test bound test_bookmarks_toolbar_telemetry
[task 2021-04-08T20:49:20.859Z] 20:49:20     INFO - TEST-PASS | browser/components/places/tests/browser/browser_bookmarks_toolbar_telemetry.js | "bookmarks-bar_pinned_newtab"=true found in Telemetry - 
[task 2021-04-08T20:49:20.859Z] 20:49:20     INFO - Buffered messages finished
[task 2021-04-08T20:49:20.859Z] 20:49:20     INFO - TEST-UNEXPECTED-FAIL | browser/components/places/tests/browser/browser_bookmarks_toolbar_telemetry.js | Uncaught exception - Waiting for bookmarks-bar_move_newtab_never_toolbar-context-menu to appear in Telemetry snapshot - timed out after 50 tries.
[task 2021-04-08T20:49:20.859Z] 20:49:20     INFO - Leaving test bound test_bookmarks_toolbar_telemetry
[task 2021-04-08T20:49:20.899Z] 20:49:20     INFO - GECKO(10280) | MEMORY STAT | vsize 2104550MB | vsizeMaxContiguous 64993038MB | residentFast 509MB | heapAllocated 157MB
[task 2021-04-08T20:49:20.899Z] 20:49:20     INFO - TEST-OK | browser/components/places/tests/browser/browser_bookmarks_toolbar_telemetry.js | took 6427ms
[task 2021-04-08T20:49:20.918Z] 20:49:20     INFO - GECKO(10280) | [Child 6508: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 1ffd0437800 == 1 [pid = 6508] [id = 19]
[task 2021-04-08T20:49:20.918Z] 20:49:20     INFO - GECKO(10280) | [Child 6508: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (1ffd0431200) [pid = 6508] [serial = 43] [outer = 0]
[task 2021-04-08T20:49:20.918Z] 20:49:20     INFO - GECKO(10280) | [Child 6508: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 4 (1ffd0445c00) [pid = 6508] [serial = 44] [outer = 1ffd0431200]
[task 2021-04-08T20:49:20.940Z] 20:49:20     INFO - checking window state
[task 2021-04-08T20:49:20.981Z] 20:49:20     INFO - TEST-START | browser/components/places/tests/browser/browser_bug427633_no_newfolder_if_noip.js```