1446705 - Intermittent devtools/client/debugger/new/test/mochitest/browser_dbg-editor-select.js | A promise chain failed to handle a rejection: this.worker is null - stack: task/</<@resource://devtools/shared/base-loader.js

Status: RESOLVED FIXED

(DevTools :: Debugger, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: ebalazs [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=168767943&repo=autoland

https://queue.taskcluster.net/v1/task/I1K6F1gdQE2GK2iXVzhfvw/runs/0/artifacts/public/logs/live_backing.log

Comment 1

[Intermittent Failures Robot]

12 failures in 814 pushes (0.015 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* autoland: 5
* mozilla-inbound: 4
* mozilla-central: 3

Platform breakdown:
* linux64: 9
* linux64-stylo-disabled: 3

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1446705&startday=2018-03-12&endday=2018-03-18&tree=all

Comment 2

[Intermittent Failures Robot]

15 failures in 120 pushes (0.125 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* mozilla-inbound: 8
* autoland: 5
* try: 2

Platform breakdown:
* linux64: 10
* linux64-stylo-disabled: 2
* linux64-nightly: 1
* linux32-nightly: 1
* linux32: 1

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1446705&startday=2018-03-19&endday=2018-03-19&tree=all

Comment 3

[Stefan Hindli [:stefan_hindli]]

Over the last 7 days this bug has 34 failures, most of these happen on Linux, Linux x64, linux64-stylo-disabled, windows10-64, windows7-32-nightly

Here is the most recent log example: https://treeherder.mozilla.org/logviewer.html#?repo=mozilla-inbound&job_id=169159880&lineNumber=4173

Here is a relevant part of that log:

[task 2018-03-20T11:26:37.207Z] 11:26:37     INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-editor-select.js | A promise chain failed to handle a rejection: this.worker is null - stack: task/</<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:3321:9
[task 2018-03-20T11:26:37.207Z] 11:26:37     INFO - task/<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:3319:14
[task 2018-03-20T11:26:37.207Z] 11:26:37     INFO - setEmptyLines/<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:6404:31
[task 2018-03-20T11:26:37.211Z] 11:26:37     INFO - async*thunk/</</<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:28725:45
[task 2018-03-20T11:26:37.212Z] 11:26:37     INFO - dispatch@resource://devtools/shared/base-loader.js -> resource://devtools/client/shared/vendor/redux.js:755:18
[task 2018-03-20T11:26:37.213Z] 11:26:37     INFO - setSymbols/<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:6387:5
[task 2018-03-20T11:26:37.213Z] 11:26:37     INFO - async*thunk/</</<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:28725:45
[task 2018-03-20T11:26:37.214Z] 11:26:37     INFO - dispatch@resource://devtools/shared/base-loader.js -> resource://devtools/client/shared/vendor/redux.js:755:18
[task 2018-03-20T11:26:37.214Z] 11:26:37     INFO - selectLocation/<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:32030:5
[task 2018-03-20T11:26:37.215Z] 11:26:37     INFO - async*thunk/</</<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:28725:45
[task 2018-03-20T11:26:37.216Z] 11:26:37     INFO - dispatch@resource://devtools/shared/base-loader.js -> resource://devtools/client/shared/vendor/redux.js:755:18
[task 2018-03-20T11:26:37.216Z] 11:26:37     INFO - paused/<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:27273:13
[task 2018-03-20T11:26:37.218Z] 11:26:37     INFO - async*thunk/</</<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:28725:45
[task 2018-03-20T11:26:37.218Z] 11:26:37     INFO - bindActionCreator/<@resource://devtools/shared/base-loader.js -> resource://devtools/client/shared/vendor/redux.js:644:12
[task 2018-03-20T11:26:37.221Z] 11:26:37     INFO - paused@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:12946:5
[task 2018-03-20T11:26:37.225Z] 11:26:37     INFO - async*eventSource/proto.emit@resource://devtools/shared/base-loader.js -> resource://devtools/shared/client/event-source.js:124:9
[task 2018-03-20T11:26:37.226Z] 11:26:37     INFO - _onThreadState@resource://devtools/shared/base-loader.js -> resource://devtools/shared/client/thread-client.js:618:35
[task 2018-03-20T11:26:37.227Z] 11:26:37     INFO - onPacket@resource://devtools/shared/base-loader.js -> resource://devtools/shared/client/debugger-client.js:910:7
[task 2018-03-20T11:26:37.228Z] 11:26:37     INFO - send/<@resource://devtools/shared/base-loader.js -> resource://devtools/shared/transport/transport.js:569:13
[task 2018-03-20T11:26:37.229Z] 11:26:37     INFO - exports.makeInfallible/<@resource://devtools/shared/base-loader.js -> resource://devtools/shared/ThreadSafeDevToolsUtils.js:109:14
[task 2018-03-20T11:26:37.231Z] 11:26:37     INFO - DevToolsUtils.executeSoon*exports.executeSoon@resource://devtools/shared/base-loader.js -> resource://devtools/shared/DevToolsUtils.js:57:19
[task 2018-03-20T11:26:37.232Z] 11:26:37     INFO - send@resource://devtools/shared/base-loader.js -> resource://devtools/shared/transport/transport.js:562:9
[task 2018-03-20T11:26:37.233Z] 11:26:37     INFO - send@resource://devtools/shared/base-loader.js -> resource://devtools/server/main.js:1483:5
[task 2018-03-20T11:26:37.234Z] 11:26:37     INFO - receiveMessage@resource://devtools/shared/base-loader.js -> resource://devtools/shared/transport/transport.js:760:7
[task 2018-03-20T11:26:37.235Z] 11:26:37     INFO - Rejection date: Tue Mar 20 2018 11:26:36 GMT+0000 (UTC) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 257
[task 2018-03-20T11:26:37.236Z] 11:26:37     INFO - Stack trace:
[task 2018-03-20T11:26:37.237Z] 11:26:37     INFO -     resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:257
[task 2018-03-20T11:26:37.238Z] 11:26:37     INFO -     chrome://mochikit/content/browser-test.js:Tester.prototype.nextTest<:717
[task 2018-03-20T11:26:37.241Z] 11:26:37     INFO -     testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1375:11
[task 2018-03-20T11:26:37.242Z] 11:26:37     INFO -     run@chrome://mochikit/content/browser-test.js:1312:9
[task 2018-03-20T11:26:37.243Z] 11:26:37     INFO - Not taking screenshot here: see the one that was previously logged
[task 2018-03-20T11:26:37.245Z] 11:26:37     INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/new/test/mochitest/browser_dbg-editor-select.js | A promise chain failed to handle a rejection: this.worker is null - stack: task/</<@resource://devtools/shared/base-loader.js -> resource://devtools/client/debugger/new/debugger.js:3321:9

Comment 4

[Jason Laster [:jlast]]

I expect tests that have this error (this.worker is null) will be fixed in the next update to the debugger.

Comment 5

[Intermittent Failures Robot]

29 failures in 149 pushes (0.195 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* try: 14
* mozilla-inbound: 7
* mozilla-central: 4
* autoland: 4

Platform breakdown:
* linux64: 18
* linux64-stylo-disabled: 7
* windows10-64: 3
* linux32: 1

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1446705&startday=2018-03-20&endday=2018-03-20&tree=all

Comment 6

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

is there a bug that we can track for the next debugger update?

Comment 7

[Jason Laster [:jlast]]

Yep https://bugzilla.mozilla.org/show_bug.cgi?id=1447682

Comment 8

[Intermittent Failures Robot]

18 failures in 148 pushes (0.122 failures/push) were associated with this bug yesterday.    

Repository breakdown:
* autoland: 14
* try: 2
* mozilla-central: 2

Platform breakdown:
* linux64: 12
* linux32: 5
* linux32-nightly: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1446705&startday=2018-03-22&endday=2018-03-22&tree=trunk

Comment 9

[Intermittent Failures Robot]

83 failures in 822 pushes (0.101 failures/push) were associated with this bug in the last 7 days. 

This is the #11 most frequent failure this week. 

** This failure happened more than 75 times this week! Resolving this bug is a very high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 1 week, the affected test(s) may be disabled. **   

Repository breakdown:
* autoland: 27
* try: 24
* mozilla-inbound: 19
* mozilla-central: 13

Platform breakdown:
* linux64: 54
* linux32: 10
* linux64-stylo-disabled: 8
* windows10-64: 3
* windows7-32: 2
* windows10-64-ccov: 2
* linux32-nightly: 2
* linux64-qr: 1
* linux64-nightly: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1446705&startday=2018-03-20&endday=2018-03-26&tree=trunk

Comment 10

[Jason Laster [:jlast]]

I expect this test will be improved by https://bugzilla.mozilla.org/show_bug.cgi?id=1450112 which landed yesterday. I'll check back soon.

Comment 11

[Jason Laster [:jlast]]

Actually, looks like it was resolved earlier in the week:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1446705&startday=2018-03-20&endday=2018-03-30&tree=all