1620643 - Intermittent devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_navigate.js | A promise chain failed to handle a rejection: can't access property "send", this.conn is null - stack: protocol/Actor.js:98:5

Status: RESOLVED INCOMPLETE

(DevTools :: about:debugging, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: apavel [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=292012801&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/WSgNL-TpTVGzSYgHmIeaww/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-03-06T17:10:55.770Z] 17:10:55 INFO - TEST-START | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_navigate.js
[task 2020-03-06T17:10:55.785Z] 17:10:55 INFO - GECKO(1939) | [Parent 1939: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 0x1245a4000 == 15 [pid = 1939] [id = {f1f6d94b-a6d8-e047-b0e5-f09d92b46d83}]
[task 2020-03-06T17:10:55.785Z] 17:10:55 INFO - GECKO(1939) | [Parent 1939: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 93 (0x16744afb0) [pid = 1939] [serial = 463] [outer = 0x0]
[task 2020-03-06T17:10:55.786Z] 17:10:55 INFO - GECKO(1939) | [Parent 1939: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 94 (0x1602a1c00) [pid = 1939] [serial = 464] [outer = 0x16744afb0]
[task 2020-03-06T17:10:55.879Z] 17:10:55 INFO - GECKO(1939) | [Parent 1939: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 95 (0x168b9c000) [pid = 1939] [serial = 465] [outer = 0x16744afb0]
[task 2020-03-06T17:10:57.337Z] 17:10:57 INFO - GECKO(1939) | [Child 1947: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x14b706c10) [pid = 1947] [serial = 40] [outer = 0x0] [url = about:blank]

[task 2020-03-06T17:11:15.589Z] 17:11:15 INFO - TEST-PASS | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_navigate.js | Connect page no longer rendered -
[task 2020-03-06T17:11:15.590Z] 17:11:15 INFO - TAB2 should already be displayed in the debug targets
[task 2020-03-06T17:11:15.590Z] 17:11:15 INFO - Remove first background tab
[task 2020-03-06T17:11:15.590Z] 17:11:15 INFO - Removing tab.
[task 2020-03-06T17:11:15.590Z] 17:11:15 INFO - Waiting for event: 'TabClose' on [object XULElement].
[task 2020-03-06T17:11:15.590Z] 17:11:15 INFO - Got event: 'TabClose' on [object XULElement].
[task 2020-03-06T17:11:15.590Z] 17:11:15 INFO - Tab removed and finished closing
[task 2020-03-06T17:11:15.591Z] 17:11:15 INFO - Check TAB1 disappears, meaning ThisFirefox client is correctly connected
[task 2020-03-06T17:11:15.591Z] 17:11:15 INFO - Remove second background tab
[task 2020-03-06T17:11:15.591Z] 17:11:15 INFO - Removing tab.
[task 2020-03-06T17:11:15.591Z] 17:11:15 INFO - Waiting for event: 'TabClose' on [object XULElement].
[task 2020-03-06T17:11:15.591Z] 17:11:15 INFO - Got event: 'TabClose' on [object XULElement].
[task 2020-03-06T17:11:15.591Z] 17:11:15 INFO - Tab removed and finished closing
[task 2020-03-06T17:11:15.592Z] 17:11:15 INFO - Check TAB2 disappears, meaning ThisFirefox client is correctly connected
[task 2020-03-06T17:11:15.592Z] 17:11:15 INFO - Buffered messages logged at 17:11:15
[task 2020-03-06T17:11:15.592Z] 17:11:15 INFO - Removing tab.
[task 2020-03-06T17:11:15.592Z] 17:11:15 INFO - Waiting for event: 'TabClose' on [object XULElement].
[task 2020-03-06T17:11:15.592Z] 17:11:15 INFO - Got event: 'TabClose' on [object XULElement].
[task 2020-03-06T17:11:15.592Z] 17:11:15 INFO - Tab removed and finished closing
[task 2020-03-06T17:11:15.593Z] 17:11:15 INFO - Buffered messages finished
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - TEST-UNEXPECTED-FAIL | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_navigate.js | A promise chain failed to handle a rejection: can't access property "send", this.conn is null - stack: writeError@resource://devtools/shared/protocol/Actor.js:98:5
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - generateRequestHandlers/</handler/</<@resource://devtools/shared/protocol/Actor.js:187:30
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - promise callbackgenerateRequestHandlers/</handler/<@resource://devtools/shared/protocol/Actor.js:187:14
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - _queueResponse@resource://devtools/shared/protocol/Actor.js:107:28
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - handler@resource://devtools/shared/protocol/Actor.js:183:14
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - onPacket@resource://devtools/server/devtools-server-connection.js:380:58
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - send/<@resource://devtools/shared/transport/local-transport.js:68:25
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:111:22
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - DevToolsUtils.executeSoonexports.executeSoon@resource://devtools/shared/DevToolsUtils.js:62:21
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - send@resource://devtools/shared/transport/local-transport.js:56:21
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - send@resource://devtools/shared/protocol/Front.js:216:30
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - request@resource://devtools/shared/protocol/Front.js:234:10
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol/Front/FrontClassWithSpec.js:49:19
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - listTabs@resource://devtools/shared/fronts/root.js:252:44
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - listTabs@resource://devtools/client/aboutdebugging/src/modules/client-wrapper.js:131:33
[task 2020-03-06T17:11:15.604Z] 17:11:15 INFO - requestTabs/<@resource://devtools/client/aboutdebugging/src/actions/debug-targets.js:209:31
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - thunk/</<@resource://devtools/client/shared/redux/middleware/thunk.js:15:9
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - dispatch@resource://devtools/client/shared/vendor/redux.js:681:28
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - onTabsUpdated@resource://devtools/client/aboutdebugging/src/middleware/debug-target-listener.js:19:11
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - _emit@resource://devtools/shared/event-emitter.js:226:34
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - emit@resource://devtools/shared/event-emitter.js:172:18
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - emit@resource://devtools/shared/event-emitter.js:324:18
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - onPacket@resource://devtools/shared/protocol/Front.js:270:13
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - onPacket@resource://devtools/shared/client/devtools-client.js:498:13
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - send/<@resource://devtools/shared/transport/local-transport.js:68:25
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:111:22
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - DevToolsUtils.executeSoonexports.executeSoon@resource://devtools/shared/DevToolsUtils.js:62:21
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - send@resource://devtools/shared/transport/local-transport.js:56:21
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - send@resource://devtools/server/devtools-server-connection.js:91:20
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - onTabListChanged@resource://devtools/server/actors/root.js:392:15
[task 2020-03-06T17:11:15.605Z] 17:11:15 INFO - BrowserTabList.prototype._notifyListChanged@resource://devtools/server/actors/webbrowser.js:449:10
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - BrowserTabList.prototype._onDOMTitleChanged<@resource://devtools/server/actors/webbrowser.js:642:12
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:111:22
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - BrowserTabList.prototype.receiveMessage<@resource://devtools/server/actors/webbrowser.js:629:12
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:111:22
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - MessageListener.receiveMessageBrowserTabList.prototype._listenForMessagesIf@resource://devtools/server/actors/webbrowser.js:599:31
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - BrowserTabList.prototype._checkListening@resource://devtools/server/actors/webbrowser.js:523:8
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - Rejection date: Fri Mar 06 2020 17:11:08 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 265
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - Stack trace:
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:265
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1093
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1097
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - chrome://mochikit/content/browser-test.js:nextTest/<:925
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:914
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - Leaving test bound
[task 2020-03-06T17:11:15.606Z] 17:11:15 INFO - TEST-PASS | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_navigate.js | The main process DevToolsServer has no pending connection when the test ends -
[task 2020-03-06T17:11:15.609Z] 17:11:15 INFO - GECKO(1939) | MEMORY STAT | vsize 8322MB | residentFast 943MB | heapAllocated 384MB
[task 2020-03-06T17:11:15.609Z] 17:11:15 INFO - TEST-OK | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_navigate.js | took 19863ms

Comment 1

[Intermittent Failures Robot]

1 failures in 5483 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• macosx1014-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1620643&startday=2020-03-02&endday=2020-03-08&tree=all

Comment 2

[Intermittent Failures Robot]

4 failures in 5336 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 4

Platform breakdown:

• macosx1014-64: 2
• windows7-32: 1
• linux1804-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1620643&startday=2020-03-09&endday=2020-03-15&tree=all

Comment 3

[BugBot [:suhaib / :marco]]

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