1632685 - Intermittent devtools/client/framework/test/metrics/browser_metrics_debugger.js | A promise chain failed to handle a rejection: Connection closed, pending request to root, type listWorkers failed

Status: RESOLVED DUPLICATE of bug 1620983

(DevTools :: Framework, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: cbrindusan [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=299101674&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/IrKD-G3DTMe641t9jpeucQ/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-04-23T22:22:29.487Z] 22:22:29 INFO - TEST-START | devtools/client/framework/test/metrics/browser_metrics_debugger.js
[task 2020-04-23T22:22:29.591Z] 22:22:29 INFO - Entering test bound
[task 2020-04-23T22:22:29.592Z] 22:22:29 INFO - Adding a new tab with URL: data:text/html;charset=UTF-8,<div>Debugger modules load test</div>
[task 2020-04-23T22:22:30.240Z] 22:22:30 INFO - Tab added and finished loading
[task 2020-04-23T22:22:30.240Z] 22:22:30 INFO - Opening the toolbox
[task 2020-04-23T22:22:31.992Z] 22:22:31 INFO - Toolbox opened and focused
[task 2020-04-23T22:22:31.992Z] 22:22:31 INFO - TEST-PASS | devtools/client/framework/test/metrics/browser_metrics_debugger.js | Duplicated module load detected. List of duplicated modules:
[task 2020-04-23T22:22:31.992Z] 22:22:31 INFO - -
[task 2020-04-23T22:22:32.055Z] 22:22:32 INFO - PERFHERDER_DATA: {"framework":{"name":"devtools"},"suites":[{"name":"debugger-metrics","value":7218400,"subtests":[{"name":"debugger-modules","value":196},{"name":"debugger-chars","value":1338675},{"name":"all-modules","value":409},{"name":"all-chars","value":7218400}]}]}
[task 2020-04-23T22:22:32.055Z] 22:22:32 INFO - TEST-PASS | devtools/client/framework/test/metrics/browser_metrics_debugger.js | Successfully recorded module count for debugger -
[task 2020-04-23T22:22:32.055Z] 22:22:32 INFO - TEST-PASS | devtools/client/framework/test/metrics/browser_metrics_debugger.js | Successfully recorded char count for debugger -
[task 2020-04-23T22:22:32.055Z] 22:22:32 INFO - Leaving test bound
[task 2020-04-23T22:22:32.324Z] 22:22:32 INFO - Removing tab.
[task 2020-04-23T22:22:32.324Z] 22:22:32 INFO - Waiting for event: 'TabClose' on [object XULElement].
[task 2020-04-23T22:22:32.340Z] 22:22:32 INFO - Got event: 'TabClose' on [object XULElement].
[task 2020-04-23T22:22:32.343Z] 22:22:32 INFO - Tab removed and finished closing
[task 2020-04-23T22:22:32.377Z] 22:22:32 INFO - GECKO(3558) | JavaScript error: resource://devtools/shared/protocol/Front.js, line 77: Error: Connection closed, pending request to root, type listWorkers failed
[task 2020-04-23T22:22:32.378Z] 22:22:32 INFO - GECKO(3558) | Request stack:
[task 2020-04-23T22:22:32.378Z] 22:22:32 INFO - GECKO(3558) | request@resource://devtools/shared/protocol/Front.js:256:14
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol/Front/FrontClassWithSpec.js:47:19
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | listParentWorkers@resource://devtools/client/fronts/root.js:156:38
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | listAllWorkerTargets@resource://devtools/client/fronts/root.js:180:7
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | listWorkerTargets@resource://devtools/client/debugger/src/client/firefox/targets.js:96:50
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | asyncupdateTargets@resource://devtools/client/debugger/src/client/firefox/targets.js:175:25
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | fetchThreads@resource://devtools/client/debugger/src/client/firefox/commands.js:432:36
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | updateThreads/<@resource://devtools/client/debugger/src/actions/threads.js:25:34
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | thunk/</</<@resource://devtools/client/debugger/src/actions/utils/middleware/thunk.js:29:45
[task 2020-04-23T22:22:32.379Z] 22:22:32 INFO - GECKO(3558) | bindActionCreator/<@resource://devtools/client/shared/vendor/redux.js:520:12
[task 2020-04-23T22:22:32.381Z] 22:22:32 INFO - GECKO(3558) | threadListChanged@resource://devtools/client/debugger/src/client/firefox/events.js:143:11
[task 2020-04-23T22:22:32.381Z] 22:22:32 INFO - GECKO(3558) | _emit@resource://devtools/shared/event-emitter.js:226:34[task 2020-04-23T22:22:32.382Z] 22:22:32 INFO - GECKO(3558) | emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-04-23T22:22:32.382Z] 22:22:32 INFO - GECKO(3558) | emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-04-23T22:22:32.382Z] 22:22:32 INFO - GECKO(3558) | onPacket@resource://devtools/shared/protocol/Front.js:294:13
[task 2020-04-23T22:22:32.383Z] 22:22:32 INFO - GECKO(3558) | onPacket@resource://devtools/client/devtools-client.js:493:13
[task 2020-04-23T22:22:32.384Z] 22:22:32 INFO - GECKO(3558) | send/<@resource://devtools/shared/transport/local-transport.js:68:25
[task 2020-04-23T22:22:32.384Z] 22:22:32 INFO - GECKO(3558) | exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:103:22
[task 2020-04-23T22:22:32.385Z] 22:22:32 INFO - GECKO(3558) | DevToolsUtils.executeSoonexports.executeSoon@resource://devtools/shared/DevToolsUtils.js:47:21
[task 2020-04-23T22:22:32.385Z] 22:22:32 INFO - GECKO(3558) | send@resource://devtools/shared/transport/local-transport.js:56:21
[task 2020-04-23T22:22:32.386Z] 22:22:32 INFO - GECKO(3558) | send@resource://devtools/server/devtools-server-connection.js:91:20
[task 2020-04-23T22:22:32.387Z] 22:22:32 INFO - GECKO(3558) | onWorkerListChanged@resource://devtools/server/actors/root.js:453:15
[task 2020-04-23T22:22:32.389Z] 22:22:32 INFO - GECKO(3558) | _notifyListChanged@resource://devtools/server/actors/worker/worker-target-actor-list.js:184:10
[task 2020-04-23T22:22:32.390Z] 22:22:32 INFO - GECKO(3558) | onUnregister@resource://devtools/server/actors/worker/worker-target-actor-list.js:200:12
[task 2020-04-23T22:22:32.391Z] 22:22:32 INFO - TEST-PASS | devtools/client/framework/test/metrics/browser_metrics_debugger.js | The main process DevToolsServer has no pending connection when the test ends -
[task 2020-04-23T22:22:32.401Z] 22:22:32 INFO - TEST-INFO | started process screentopng
[task 2020-04-23T22:22:32.933Z] 22:22:32 INFO - TEST-INFO | screentopng: exit 0
[task 2020-04-23T22:22:32.933Z] 22:22:32 INFO - Buffered messages logged at 22:22:32
[task 2020-04-23T22:22:32.933Z] 22:22:32 INFO - Console message: [JavaScript Error: "Error: Connection closed, pending request to root, type listWorkers failed
[task 2020-04-23T22:22:32.933Z] 22:22:32 INFO -
[task 2020-04-23T22:22:32.933Z] 22:22:32 INFO - Request stack:
[task 2020-04-23T22:22:32.934Z] 22:22:32 INFO - request@resource://devtools/shared/protocol/Front.js:256:14
[task 2020-04-23T22:22:32.934Z] 22:22:32 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol/Front/FrontClassWithSpec.js:47:19
[task 2020-04-23T22:22:32.934Z] 22:22:32 INFO - listParentWorkers@resource://devtools/client/fronts/root.js:156:38
[task 2020-04-23T22:22:32.935Z] 22:22:32 INFO - listAllWorkerTargets@resource://devtools/client/fronts/root.js:180:7
[task 2020-04-23T22:22:32.935Z] 22:22:32 INFO - listWorkerTargets@resource://devtools/client/debugger/src/client/firefox/targets.js:96:50
[task 2020-04-23T22:22:32.935Z] 22:22:32 INFO - asyncupdateTargets@resource://devtools/client/debugger/src/client/firefox/targets.js:175:25[task 2020-04-23T22:22:32.936Z] 22:22:32 INFO - fetchThreads@resource://devtools/client/debugger/src/client/firefox/commands.js:432:36
[task 2020-04-23T22:22:32.936Z] 22:22:32 INFO - updateThreads/<@resource://devtools/client/debugger/src/actions/threads.js:25:34
[task 2020-04-23T22:22:32.936Z] 22:22:32 INFO - thunk/</</<@resource://devtools/client/debugger/src/actions/utils/middleware/thunk.js:29:45
[task 2020-04-23T22:22:32.936Z] 22:22:32 INFO - bindActionCreator/<@resource://devtools/client/shared/vendor/redux.js:520:12
[task 2020-04-23T22:22:32.937Z] 22:22:32 INFO - threadListChanged@resource://devtools/client/debugger/src/client/firefox/events.js:143:11
[task 2020-04-23T22:22:32.937Z] 22:22:32 INFO - _emit@resource://devtools/shared/event-emitter.js:226:34
[task 2020-04-23T22:22:32.938Z] 22:22:32 INFO - emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-04-23T22:22:32.938Z] 22:22:32 INFO - emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-04-23T22:22:32.938Z] 22:22:32 INFO - onPacket@resource://devtools/shared/protocol/Front.js:294:13
[task 2020-04-23T22:22:32.938Z] 22:22:32 INFO - onPacket@resource://devtools/client/devtools-client.js:493:13
[task 2020-04-23T22:22:32.938Z] 22:22:32 INFO - send/<@resource://devtools/shared/transport/local-transport.js:68:25
[task 2020-04-23T22:22:32.939Z] 22:22:32 INFO - exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:103:22
[task 2020-04-23T22:22:32.939Z] 22:22:32 INFO - DevToolsUtils.executeSoonexports.executeSoon@resource://devtools/shared/DevToolsUtils.js:47:21
[task 2020-04-23T22:22:32.939Z] 22:22:32 INFO - send@resource://devtools/shared/transport/local-transport.js:56:21
[task 2020-04-23T22:22:32.939Z] 22:22:32 INFO - send@resource://devtools/server/devtools-server-connection.js:91:20
[task 2020-04-23T22:22:32.939Z] 22:22:32 INFO - onWorkerListChanged@resource://devtools/server/actors/root.js:453:15
[task 2020-04-23T22:22:32.940Z] 22:22:32 INFO - _notifyListChanged@resource://devtools/server/actors/worker/worker-target-actor-list.js:184:10
[task 2020-04-23T22:22:32.940Z] 22:22:32 INFO - onUnregister@resource://devtools/server/actors/worker/worker-target-actor-list.js:200:12
[task 2020-04-23T22:22:32.941Z] 22:22:32 INFO - " {file: "resource://devtools/shared/protocol/Front.js" line: 77}]
[task 2020-04-23T22:22:32.941Z] 22:22:32 INFO - Buffered messages finished
[task 2020-04-23T22:22:32.942Z] 22:22:32 INFO - TEST-UNEXPECTED-FAIL | devtools/client/framework/test/metrics/browser_metrics_debugger.js | A promise chain failed to handle a rejection: Connection closed, pending request to root, type listWorkers failed

Comment 2

[Intermittent Failures Robot]

12 failures in 5582 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 4
• autoland: 8

Platform breakdown:

• linux1804-64: 3
• linux1804-64-shippable: 9

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1632685&startday=2020-04-20&endday=2020-04-26&tree=all

Comment 3

[Intermittent Failures Robot]

1 failures in 5423 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1

Platform breakdown:

• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1632685&startday=2020-04-27&endday=2020-05-03&tree=all

Comment 4

[Intermittent Failures Robot]

2 failures in 5276 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 2

Platform breakdown:

• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1632685&startday=2020-05-04&endday=2020-05-10&tree=all