Bug: Intermittent browser/components/sessionstore/test/browser_bfcache_telemetry.js | 1 bfcache success - Got 2, expected 1
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-03-20 12:48:12+00:00
Resolved: 2022-06-07 17:08:43+00:00

**Filed by:** csabou [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=371685879&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/WKTbRBiNQM-xxDOHAgzUPg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-03-20T11:56:49.957Z] 11:56:49     INFO - TEST-START | browser/components/sessionstore/test/browser_backup_recovery.js
[task 2022-03-20T11:56:50.796Z] 11:56:50     INFO - GECKO(8815) | console.error: "Corrupt session file (invalid JSON found) " (new SyntaxError("JSON.parse: unexpected character at line 1 column 1 of the JSON data", "resource:///modules/sessionstore/SessionFile.jsm", 247)) "_readInternal@resource:///modules/sessionstore/SessionFile.jsm:247:27\n"
[task 2022-03-20T11:56:51.254Z] 11:56:51     INFO - GECKO(8815) | console.error: "Could not read session file " (new NotAllowedError("Could not open the file at /tmp/tmpiwm_rqdz.mozrunner/sessionstore-backups/recovery.jsonlz4", (void 0)))
[task 2022-03-20T11:56:51.967Z] 11:56:51     INFO - GECKO(8815) | MEMORY STAT | vsize 19836MB | residentFast 490MB | heapAllocated 256MB
[task 2022-03-20T11:56:51.968Z] 11:56:51     INFO - TEST-OK | browser/components/sessionstore/test/browser_backup_recovery.js | took 2012ms
[task 2022-03-20T11:56:51.982Z] 11:56:51     INFO - checking window state
[task 2022-03-20T11:56:51.985Z] 11:56:51     INFO - TEST-START | browser/components/sessionstore/test/browser_bfcache_telemetry.js
[task 2022-03-20T11:56:52.459Z] 11:56:52     INFO - TEST-INFO | started process screentopng
[task 2022-03-20T11:56:52.881Z] 11:56:52     INFO - TEST-INFO | screentopng: exit 0
[task 2022-03-20T11:56:52.881Z] 11:56:52     INFO - Buffered messages logged at 11:56:51
[task 2022-03-20T11:56:52.882Z] 11:56:52     INFO - Entering test bound 
[task 2022-03-20T11:56:52.883Z] 11:56:52     INFO - Buffered messages logged at 11:56:52
[task 2022-03-20T11:56:52.884Z] 11:56:52     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "data:text/html;charset=utf-8,<body><p>Hello1</p></body>" line: 0}]
[task 2022-03-20T11:56:52.885Z] 11:56:52     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "data:text/html;charset=utf-8,<body><p>Hello2</p></body>" line: 0}]
[task 2022-03-20T11:56:52.886Z] 11:56:52     INFO - Buffered messages finished
[task 2022-03-20T11:56:52.887Z] 11:56:52     INFO - TEST-UNEXPECTED-FAIL | browser/components/sessionstore/test/browser_bfcache_telemetry.js | 1 bfcache success - Got 2, expected 1
[task 2022-03-20T11:56:52.887Z] 11:56:52     INFO - Stack trace:
[task 2022-03-20T11:56:52.887Z] 11:56:52     INFO - chrome://mochikit/content/browser-test.js:test_is:1422
[task 2022-03-20T11:56:52.887Z] 11:56:52     INFO - chrome://mochitests/content/browser/browser/components/sessionstore/test/browser_bfcache_telemetry.js:test_bfcache_telemetry:35
[task 2022-03-20T11:56:52.888Z] 11:56:52     INFO - Leaving test bound 
[task 2022-03-20T11:56:52.889Z] 11:56:52     INFO - GECKO(8815) | MEMORY STAT | vsize 19816MB | residentFast 443MB | heapAllocated 238MB
[task 2022-03-20T11:56:52.890Z] 11:56:52     INFO - TEST-OK | browser/components/sessionstore/test/browser_bfcache_telemetry.js | took 551ms
```