1384381 - Intermittent browser_privatebrowsing_placestitle.js | Uncaught exception - at browser_privatebrowsing_placestitle.js:48 - TypeError: null has no properties

Status: RESOLVED FIXED

(Firefox :: Private Browsing, defect, P1)

Description

[Treeherder Bug Filer]

Filed by: wkocher [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=117621464&repo=mozilla-inbound

https://queue.taskcluster.net/v1/task/X80ZtQiSTkakpWuUOr8vtg/runs/0/artifacts/public/logs/live_backing.log

Comment 1

[Marco Bonardo [:mak]]

The problems here are due to concurrency, by the time we fetch the history details, looks like a transaction is still open and we read from an outdated db snapshot.
We could try with some promiseAsyncUpdates() calls...

Comment 2

[Intermittent Failures Robot]

24 failures in 1008 pushes (0.024 failures/push) were associated with this bug in the last 7 days.   

Repository breakdown:
* mozilla-inbound: 9
* autoland: 7
* oak: 4
* mozilla-central: 4

Platform breakdown:
* linux64: 22
* linux64-ccov: 2

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1384381&startday=2017-07-24&endday=2017-07-30&tree=all

Comment 3

[Intermittent Failures Robot]

36 failures in 888 pushes (0.041 failures/push) were associated with this bug in the last 7 days.   

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. ** 

Repository breakdown:
* autoland: 17
* mozilla-inbound: 9
* try: 5
* mozilla-central: 5

Platform breakdown:
* linux64: 35
* linux64-ccov: 1

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1384381&startday=2017-07-31&endday=2017-08-06&tree=all

Comment 4

[Intermittent Failures Robot]

38 failures in 901 pushes (0.042 failures/push) were associated with this bug in the last 7 days. 

This is the #39 most frequent failure this week.  

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. ** 

Repository breakdown:
* autoland: 16
* mozilla-inbound: 13
* mozilla-central: 6
* try: 3

Platform breakdown:
* linux64: 33
* linux64-ccov: 5

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1384381&startday=2017-08-07&endday=2017-08-13&tree=all

Comment 5

[Intermittent Failures Robot]

38 failures in 949 pushes (0.04 failures/push) were associated with this bug in the last 7 days. 

This is the #42 most frequent failure this week.  

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. ** 

Repository breakdown:
* autoland: 18
* mozilla-central: 14
* mozilla-inbound: 6

Platform breakdown:
* linux64: 31
* linux64-ccov: 7

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1384381&startday=2017-08-14&endday=2017-08-20&tree=all

Comment 6

[Joel Maher ( :jmaher ) (UTC -8)]

the failure rates here have been steady for the last 3 weeks, it looks like linux64-asan and linux64-ccov (which is a debug build, but instrumented for collecting code coverage).

Given that we are seeing these on "artificial" configurations- should we skip this for those configurations, or plan on making the test more robust?

::mak, I see you had some suggestions about 4 weeks ago in Comment 1, is this something that could be done in the next week or two?

Comment 7

[Joel Maher ( :jmaher ) (UTC -8)]

keep in mind bug 1384130 has many failures in the same test.

Comment 8

[Marco Bonardo [:mak]]

I can have a look in the next days.

Comment 9

[Intermittent Failures Robot]

30 failures in 908 pushes (0.033 failures/push) were associated with this bug in the last 7 days.   

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. ** 

Repository breakdown:
* mozilla-inbound: 12
* autoland: 10
* mozilla-central: 8

Platform breakdown:
* linux64: 25
* linux64-ccov: 5

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1384381&startday=2017-08-21&endday=2017-08-27&tree=all

Comment 10

[Joel Maher ( :jmaher ) (UTC -8)]

thanks for picking this up ::mak!

Comment 11

[Marco Bonardo [:mak]]

Attachment: Bug 1384381 - Intermittent failures in browser_privatebrowsing_placestitle.js and browser_privatebrowsing_placesTitleNoUpdate.js.

Review commit: https://reviewboard.mozilla.org/r/173868/diff/#index_header
See other reviews: https://reviewboard.mozilla.org/r/173868/

Comment 12

[Mark Banner (:standard8)]

Comment on attachment 8902328 [details]
Bug 1384381 - Intermittent failures in browser_privatebrowsing_placestitle.js and browser_privatebrowsing_placesTitleNoUpdate.js.

https://reviewboard.mozilla.org/r/173868/#review179128

Comment 13

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/fd00228df86b
Intermittent failures in browser_privatebrowsing_placestitle.js and browser_privatebrowsing_placesTitleNoUpdate.js. r=standard8

Comment 14

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

https://hg.mozilla.org/mozilla-central/rev/fd00228df86b

Comment 15

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/releases/mozilla-beta/rev/910cb02453ea

Comment 16

[Intermittent Failures Robot]

14 failures in 939 pushes (0.015 failures/push) were associated with this bug in the last 7 days.   

Repository breakdown:
* autoland: 8
* mozilla-inbound: 4
* try: 1
* mozilla-central: 1

Platform breakdown:
* linux64: 14

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1384381&startday=2017-08-28&endday=2017-09-03&tree=all