Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/sessionstore/test/browser_595601-restore_hidden.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-06-11 12:37:14+00:00
Resolved: 2020-07-07 17:07:02+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=305912198&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Q4UR7BxtRSGHWt-76QXyEg/runs/0/artifacts/public/logs/live_backing.log

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[task 2020-06-11T10:58:35.173Z] 10:58:35     INFO - TEST-START | browser/components/sessionstore/test/browser_595601-restore_hidden.js
[task 2020-06-11T10:58:37.174Z] 10:58:37     INFO - GECKO(10868) | JavaScript error: resource://gre/modules/sessionstore/SessionHistory.jsm, line 109: TypeError: can't access property "legacySHistory", history is null
[task 2020-06-11T10:58:37.174Z] 10:58:37     INFO - GECKO(10868) | JavaScript error: resource:///modules/sessionstore/ContentSessionStore.jsm, line 466: Error: TelemetryStopwatch: key "FX_SESSION_RESTORE_CONTENT_COLLECT_DATA_MS" was already initialized
[task 2020-06-11T10:58:37.174Z] 10:58:37     INFO - GECKO(10868) | JavaScript error: resource:///modules/sessionstore/ContentSessionStore.jsm, line 472: Error: TelemetryStopwatch: requesting elapsed time for nonexisting stopwatch. Histogram: "FX_SESSION_RESTORE_CONTENT_COLLECT_DATA_MS", key: "historychange"
[task 2020-06-11T10:58:37.235Z] 10:58:37     INFO - GECKO(10868) | JavaScript error: resource://gre/modules/sessionstore/SessionHistory.jsm, line 109: TypeError: can't access property "legacySHistory", history is null
[task 2020-06-11T11:10:05.676Z] 11:10:05     INFO - Buffered messages logged at 10:58:35
[task 2020-06-11T11:10:05.677Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring 3 tabs concurrently - 
[task 2020-06-11T11:10:05.677Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.678Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.678Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.678Z] 11:10:05     INFO - Buffered messages logged at 10:58:36
[task 2020-06-11T11:10:05.679Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.679Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.679Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.680Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.680Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | only 4 visible tabs - 
[task 2020-06-11T11:10:05.680Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring 3 tabs concurrently - 
[task 2020-06-11T11:10:05.680Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.680Z] 11:10:05     INFO - Buffered messages logged at 10:58:37
[task 2020-06-11T11:10:05.680Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | restoring max. 3 tabs concurrently - 
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - TEST-PASS | browser/components/sessionstore/test/browser_595601-restore_hidden.js | only 4 visible tabs - 
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - Console message: [JavaScript Error: "TypeError: can't access property "legacySHistory", history is null" {file: "resource://gre/modules/sessionstore/SessionHistory.jsm" line: 109}]
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - collect@resource://gre/modules/sessionstore/SessionHistory.jsm:109:1
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - collect@resource://gre/modules/sessionstore/SessionHistory.jsm:39:35
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - collectFrom/<@resource:///modules/sessionstore/ContentSessionStore.jsm:200:36
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - send@resource:///modules/sessionstore/ContentSessionStore.jsm:469:19
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - flush@resource:///modules/sessionstore/ContentSessionStore.jsm:800:23
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - receiveMessage@resource:///modules/sessionstore/ContentSessionStore.jsm:616:14
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - MessageListener.receiveMessage*ContentSessionStore/<@resource:///modules/sessionstore/ContentSessionStore.jsm:545:30
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - ContentSessionStore@resource:///modules/sessionstore/ContentSessionStore.jsm:545:14
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - @chrome://browser/content/content-sessionStore.js:13:6
[task 2020-06-11T11:10:05.681Z] 11:10:05     INFO - 
[task 2020-06-11T11:10:05.682Z] 11:10:05     INFO - Console message: [JavaScript Error: "Error: TelemetryStopwatch: key "FX_SESSION_RESTORE_CONTENT_COLLECT_DATA_MS" was already initialized" {file: "resource:///modules/sessionstore/ContentSessionStore.jsm" line: 466}]
[task 2020-06-11T11:10:05.682Z] 11:10:05     INFO - send@resource:///modules/sessionstore/ContentSessionStore.jsm:466:28
[task 2020-06-11T11:10:05.682Z] 11:10:05     INFO - flush@resource:///modules/sessionstore/ContentSessionStore.jsm:800:23
[task 2020-06-11T11:10:05.682Z] 11:10:05     INFO - receiveMessage@resource:///modules/sessionstore/ContentSessionStore.jsm:616:14
[task 2020-06-11T11:10:05.683Z] 11:10:05     INFO - MessageListener.receiveMessage*ContentSessionStore/<@resource:///modules/sessionstore/ContentSessionStore.jsm:545:30
[task 2020-06-11T11:10:05.683Z] 11:10:05     INFO - ContentSessionStore@resource:///modules/sessionstore/ContentSessionStore.jsm:545:14
[task 2020-06-11T11:10:05.683Z] 11:10:05     INFO - @chrome://browser/content/content-sessionStore.js:13:6
[task 2020-06-11T11:10:05.683Z] 11:10:05     INFO - 
[task 2020-06-11T11:10:05.684Z] 11:10:05     INFO - Console message: [JavaScript Error: "Error: TelemetryStopwatch: requesting elapsed time for nonexisting stopwatch. Histogram: "FX_SESSION_RESTORE_CONTENT_COLLECT_DATA_MS", key: "historychange"" {file: "resource:///modules/sessionstore/ContentSessionStore.jsm" line: 472}]
[task 2020-06-11T11:10:05.684Z] 11:10:05     INFO - send@resource:///modules/sessionstore/ContentSessionStore.jsm:472:28
[task 2020-06-11T11:10:05.684Z] 11:10:05     INFO - flush@resource:///modules/sessionstore/ContentSessionStore.jsm:800:23
[task 2020-06-11T11:10:05.684Z] 11:10:05     INFO - receiveMessage@resource:///modules/sessionstore/ContentSessionStore.jsm:616:14
[task 2020-06-11T11:10:05.684Z] 11:10:05     INFO - MessageListener.receiveMessage*ContentSessionStore/<@resource:///modules/sessionstore/ContentSessionStore.jsm:545:30
[task 2020-06-11T11:10:05.684Z] 11:10:05     INFO - ContentSessionStore@resource:///modules/sessionstore/ContentSessionStore.jsm:545:14
[task 2020-06-11T11:10:05.685Z] 11:10:05     INFO - @chrome://browser/content/content-sessionStore.js:13:6
[task 2020-06-11T11:10:05.685Z] 11:10:05     INFO - 
[task 2020-06-11T11:10:05.685Z] 11:10:05     INFO - Console message: [JavaScript Error: "TypeError: can't access property "legacySHistory", history is null" {file: "resource://gre/modules/sessionstore/SessionHistory.jsm" line: 109}]
[task 2020-06-11T11:10:05.685Z] 11:10:05     INFO - collect@resource://gre/modules/sessionstore/SessionHistory.jsm:109:1
[task 2020-06-11T11:10:05.685Z] 11:10:05     INFO - collect@resource://gre/modules/sessionstore/SessionHistory.jsm:39:35
[task 2020-06-11T11:10:05.686Z] 11:10:05     INFO - collectFrom/<@resource:///modules/sessionstore/ContentSessionStore.jsm:200:36
[task 2020-06-11T11:10:05.686Z] 11:10:05     INFO - send@resource:///modules/sessionstore/ContentSessionStore.jsm:469:19
[task 2020-06-11T11:10:05.686Z] 11:10:05     INFO - onUnload@resource:///modules/sessionstore/ContentSessionStore.jsm:814:23
[task 2020-06-11T11:10:05.686Z] 11:10:05     INFO - handleEvent@resource:///modules/sessionstore/ContentSessionStore.jsm:807:12
[task 2020-06-11T11:10:05.686Z] 11:10:05     INFO - EventListener.handleEvent*ContentSessionStore@resource:///modules/sessionstore/ContentSessionStore.jsm:550:8
[task 2020-06-11T11:10:05.687Z] 11:10:05     INFO - @chrome://browser/content/content-sessionStore.js:13:6
[task 2020-06-11T11:10:05.687Z] 11:10:05     INFO - 
[task 2020-06-11T11:10:05.687Z] 11:10:05     INFO - Buffered messages logged at 11:03:55
[task 2020-06-11T11:10:05.688Z] 11:10:05     INFO - Console message: [JavaScript Error: "Unknown Collection "main/messaging-experiments"" {file: "resource://services-settings/RemoteSettingsClient.jsm" line: 154}]
[task 2020-06-11T11:10:05.688Z] 11:10:05     INFO - UnknownCollectionError@resource://services-settings/RemoteSettingsClient.jsm:154:5
[task 2020-06-11T11:10:05.688Z] 11:10:05     INFO - sync@resource://services-settings/RemoteSettingsClient.jsm:413:13
[task 2020-06-11T11:10:05.688Z] 11:10:05     INFO - async*get@resource://services-settings/RemoteSettingsClient.jsm:350:22
[task 2020-06-11T11:10:05.688Z] 11:10:05     INFO - async*updateRecipes@resource://messaging-system/lib/RemoteSettingsExperimentLoader.jsm:142:49
[task 2020-06-11T11:10:05.689Z] 11:10:05     INFO - setTimer/<@resource://messaging-system/lib/RemoteSettingsExperimentLoader.jsm:191:18
[task 2020-06-11T11:10:05.689Z] 11:10:05     INFO - TM_notify/</<@resource://gre/modules/UpdateTimerManager.jsm:259:36
[task 2020-06-11T11:10:05.689Z] 11:10:05     INFO - ChromeUtils::IdleDispatch handler*TM_notify/<@resource://gre/modules/UpdateTimerManager.jsm:257:25
[task 2020-06-11T11:10:05.689Z] 11:10:05     INFO - TM_notify@resource://gre/modules/UpdateTimerManager.jsm:292:7
[task 2020-06-11T11:10:05.689Z] 11:10:05     INFO - 
[task 2020-06-11T11:10:05.689Z] 11:10:05     INFO - Buffered messages finished
[task 2020-06-11T11:10:05.690Z] 11:10:05    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/sessionstore/test/browser_595601-restore_hidden.js | application timed out after 370 seconds with no output