1677820 - Intermittent browser_target_list_frames.js | A promise chain failed to handle a rejection: can't access property Symbol.iterator, existingTargets is undefined - stack: _onProcessDestroyed@resource://*/legacy-target-watchers/legacy-workers-watcher.js:53:26

Status: RESOLVED INCOMPLETE

(DevTools :: General, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: btara [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=322078005&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/DmAw_EjaTh-ilfuOvmIKbQ/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-11-17T18:22:11.503Z] 18:22:11     INFO - TEST-START | devtools/shared/resources/tests/browser_target_list_frames.js
[task 2020-11-17T18:22:12.011Z] 18:22:12     INFO - GECKO(1544) | console.error: ({})
[task 2020-11-17T18:22:12.014Z] 18:22:12     INFO - GECKO(1544) | [Exception... "Unexpected error"  nsresult: "0x8000ffff (NS_ERROR_UNEXPECTED)"  location: "JS frame :: resource://devtools/shared/transport/child-transport.js :: send :: line 109"  data: no]: send@resource://devtools/shared/transport/child-transport.js:109:16
[task 2020-11-17T18:22:12.014Z] 18:22:12     INFO - GECKO(1544) | send@resource://devtools/server/devtools-server-connection.js:99:20
[task 2020-11-17T18:22:12.015Z] 18:22:12     INFO - GECKO(1544) | _sendEvent@resource://devtools/shared/protocol/Actor.js:72:15
[task 2020-11-17T18:22:12.015Z] 18:22:12     INFO - GECKO(1544) | initialize/<@resource://devtools/shared/protocol/Actor.js:46:16
[task 2020-11-17T18:22:12.016Z] 18:22:12     INFO - GECKO(1544) | _emit@resource://devtools/shared/event-emitter.js:226:34
[task 2020-11-17T18:22:12.017Z] 18:22:12     INFO - GECKO(1544) | emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-11-17T18:22:12.017Z] 18:22:12     INFO - GECKO(1544) | emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-11-17T18:22:12.020Z] 18:22:12     INFO - GECKO(1544) | destroy@resource://devtools/server/actors/targets/content-process.js:213:12
[task 2020-11-17T18:22:12.031Z] 18:22:12     INFO - GECKO(1544) | JavaScript error: resource://devtools/shared/resources/legacy-target-watchers/legacy-workers-watcher.js, line 53: TypeError: can't access property Symbol.iterator, existingTargets is undefined
[task 2020-11-17T18:22:12.051Z] 18:22:12     INFO - GECKO(1544) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-11-17T18:22:12.330Z] 18:22:12     INFO - GECKO(1544) | JavaScript warning: resource://devtools/shared/builtin-modules.js, line 196: debuggee 'resource://devtools/shared/base-loader.js:289' would run
[task 2020-11-17T18:22:12.695Z] 18:22:12     INFO - TEST-INFO | started process screentopng
[task 2020-11-17T18:22:13.210Z] 18:22:13     INFO - TEST-INFO | screentopng: exit 0
[task 2020-11-17T18:22:13.212Z] 18:22:13     INFO - Buffered messages logged at 18:22:11
[task 2020-11-17T18:22:13.212Z] 18:22:13     INFO - Entering test bound 
[task 2020-11-17T18:22:13.213Z] 18:22:13     INFO - Test TargetList against frames via the parent process target
[task 2020-11-17T18:22:13.214Z] 18:22:13     INFO - Buffered messages logged at 18:22:12
[task 2020-11-17T18:22:13.215Z] 18:22:13     INFO - Console message: [JavaScript Error: "TypeError: can't access property Symbol.iterator, existingTargets is undefined" {file: "resource://devtools/shared/resources/legacy-target-watchers/legacy-workers-watcher.js" line: 53}]
[task 2020-11-17T18:22:13.215Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | retrieve the target for the browser document - 
[task 2020-11-17T18:22:13.216Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | retrieved the same number of frames - 
[task 2020-11-17T18:22:13.217Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | frame 0 targets are the same - 
[task 2020-11-17T18:22:13.218Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | frame 1 targets are the same - 
[task 2020-11-17T18:22:13.218Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | We are only notified about frame targets - 
[task 2020-11-17T18:22:13.220Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | isTopLevel property is correct - 
[task 2020-11-17T18:22:13.221Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | We are only notified about frame targets - 
[task 2020-11-17T18:22:13.222Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | isTopLevel property is correct - 
[task 2020-11-17T18:22:13.223Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | retrieved the same number of frames via watchTargets - 
[task 2020-11-17T18:22:13.223Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | frame 0 targets are the same via watchTargets - 
[task 2020-11-17T18:22:13.224Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | frame 1 targets are the same via watchTargets - 
[task 2020-11-17T18:22:13.225Z] 18:22:13     INFO - Test TargetList against frames via a tab target
[task 2020-11-17T18:22:13.225Z] 18:22:13     INFO - Adding a new tab with URL: https://example.com/browser/devtools/shared/resources/tests//fission_document.html
[task 2020-11-17T18:22:13.226Z] 18:22:13     INFO - Console message: [JavaScript Warning: "debuggee 'resource://devtools/shared/base-loader.js:289' would run" {file: "resource://devtools/shared/builtin-modules.js" line: 196}]
[task 2020-11-17T18:22:13.227Z] 18:22:13     INFO - Tab added and finished loading
[task 2020-11-17T18:22:13.228Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | retrieved only the top level document - 
[task 2020-11-17T18:22:13.228Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | We are only notified about frame targets - 
[task 2020-11-17T18:22:13.229Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | isTopLevel property is correct - 
[task 2020-11-17T18:22:13.230Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | retrieved the same number of frames via watchTargets - 
[task 2020-11-17T18:22:13.230Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | frame server0.conn40.child36/frameTarget1 target is the same via watchTargets - 
[task 2020-11-17T18:22:13.231Z] 18:22:13     INFO - Buffered messages finished
[task 2020-11-17T18:22:13.232Z] 18:22:13     INFO - TEST-UNEXPECTED-FAIL | devtools/shared/resources/tests/browser_target_list_frames.js | A promise chain failed to handle a rejection: can't access property Symbol.iterator, existingTargets is undefined - stack: _onProcessDestroyed@resource://devtools/shared/resources/legacy-target-watchers/legacy-workers-watcher.js:53:26
[task 2020-11-17T18:22:13.232Z] 18:22:13     INFO - _emit@resource://devtools/shared/event-emitter.js:226:34
[task 2020-11-17T18:22:13.233Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-11-17T18:22:13.234Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-11-17T18:22:13.235Z] 18:22:13     INFO - _onTargetDestroyed@resource://devtools/shared/resources/target-list.js:213:28
[task 2020-11-17T18:22:13.235Z] 18:22:13     INFO - _emit@resource://devtools/shared/event-emitter.js:226:34
[task 2020-11-17T18:22:13.236Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-11-17T18:22:13.237Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-11-17T18:22:13.238Z] 18:22:13     INFO - _onTargetDestroyed@resource://devtools/client/fronts/watcher.js:65:10
[task 2020-11-17T18:22:13.238Z] 18:22:13     INFO - _emit@resource://devtools/shared/event-emitter.js:226:34
[task 2020-11-17T18:22:13.239Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-11-17T18:22:13.240Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-11-17T18:22:13.240Z] 18:22:13     INFO - onPacket@resource://devtools/shared/protocol/Front.js:332:13
[task 2020-11-17T18:22:13.241Z] 18:22:13     INFO - onPacket@resource://devtools/client/devtools-client.js:492:13
[task 2020-11-17T18:22:13.242Z] 18:22:13     INFO - send/<@resource://devtools/shared/transport/local-transport.js:68:25
[task 2020-11-17T18:22:13.243Z] 18:22:13     INFO - exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:103:22
[task 2020-11-17T18:22:13.244Z] 18:22:13     INFO - DevToolsUtils.executeSoon*exports.executeSoon@resource://devtools/shared/DevToolsUtils.js:54:21
[task 2020-11-17T18:22:13.244Z] 18:22:13     INFO - send@resource://devtools/shared/transport/local-transport.js:56:21
[task 2020-11-17T18:22:13.245Z] 18:22:13     INFO - send@resource://devtools/server/devtools-server-connection.js:99:20
[task 2020-11-17T18:22:13.246Z] 18:22:13     INFO - _sendEvent@resource://devtools/shared/protocol/Actor.js:72:15
[task 2020-11-17T18:22:13.246Z] 18:22:13     INFO - initialize/<@resource://devtools/shared/protocol/Actor.js:46:16
[task 2020-11-17T18:22:13.247Z] 18:22:13     INFO - _emit@resource://devtools/shared/event-emitter.js:226:34
[task 2020-11-17T18:22:13.248Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-11-17T18:22:13.249Z] 18:22:13     INFO - emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-11-17T18:22:13.249Z] 18:22:13     INFO - notifyTargetDestroyed@resource://devtools/server/actors/watcher.js:203:10
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - onMessageManagerClose@resource://devtools/server/actors/watcher/target-helpers/process-helper.js:86:13
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - Rejection date: Tue Nov 17 2020 18:22:12 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 282
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - Stack trace:
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:282
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1100
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1109
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:932
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:1037
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - Leaving test bound 
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - TEST-PASS | devtools/shared/resources/tests/browser_target_list_frames.js | The main process DevToolsServer has no pending connection when the test ends - 
[task 2020-11-17T18:22:13.250Z] 18:22:13     INFO - GECKO(1544) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-11-17T18:22:13.251Z] 18:22:13     INFO - GECKO(1544) | MEMORY STAT | vsize 20975267MB | residentFast 1209MB
[task 2020-11-17T18:22:13.251Z] 18:22:13     INFO - TEST-OK | devtools/shared/resources/tests/browser_target_list_frames.js | took 1254ms

Comment 1

[Intermittent Failures Robot]

2 failures in 4810 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1
• mozilla-central: 1

Platform breakdown:

• linux1804-64-asan: 1
• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2020-11-16&endday=2020-11-22&tree=all

Comment 2

[Intermittent Failures Robot]

1 failures in 1479 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• macosx1014-64-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2020-11-23&endday=2020-11-29&tree=all

Comment 3

[Intermittent Failures Robot]

1 failures in 3712 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• macosx1014-64-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2020-11-30&endday=2020-12-06&tree=all

Comment 4

[Intermittent Failures Robot]

1 failures in 4060 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1

Platform breakdown:

• macosx1014-64-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2020-12-07&endday=2020-12-13&tree=all

Comment 5

[Intermittent Failures Robot]

2 failures in 3421 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• linux1804-64: 1
• windows10-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2020-12-14&endday=2020-12-20&tree=all

Comment 6

[Intermittent Failures Robot]

1 failures in 2956 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-01-04&endday=2021-01-10&tree=all

Comment 7

[Intermittent Failures Robot]

2 failures in 3810 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform breakdown:

• windows10-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-01-11&endday=2021-01-17&tree=all

Comment 8

[Intermittent Failures Robot]

1 failures in 3488 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• windows10-64: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-01-18&endday=2021-01-24&tree=all

Comment 9

[Intermittent Failures Robot]

1 failures in 3966 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• macosx1014-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-02-01&endday=2021-02-07&tree=all

Comment 10

[Intermittent Failures Robot]

2 failures in 3737 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 2

Platform and build breakdown:

• windows10-64: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-02-15&endday=2021-02-21&tree=all

Comment 11

[Intermittent Failures Robot]

1 failures in 4327 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-02-22&endday=2021-02-28&tree=all

Comment 12

[Intermittent Failures Robot]

4 failures in 4622 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 3

Platform and build breakdown:

• windows10-64-ccov-qr: 1
  • opt: 1
• linux1804-64: 2
  • opt: 1
  • debug: 1
• windows10-64: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-03-08&endday=2021-03-14&tree=all

Comment 13

[Intermittent Failures Robot]

1 failures in 4257 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1

Platform and build breakdown:

• linux1804-64: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-03-15&endday=2021-03-21&tree=all

Comment 14

[Intermittent Failures Robot]

1 failures in 3967 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677820&startday=2021-03-22&endday=2021-03-28&tree=all

Comment 15

[BugBot [:suhaib / :marco/ :calixte]]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.