Closed Bug 1531970 Opened 6 years ago Closed 6 years ago

Intermittent testing/firefox-ui/tests/functional/sessionstore/test_restore_windows_after_restart_and_quit.py TestSessionStoreEnabledAllWindows.test_with_variety | NoSuchWindowException: Browsing context has been discarded

Categories

(Testing :: Firefox UI Tests, defect, P5)

Product:
Testing
Component:
Firefox UI Tests
Version:
Version 3
Type:
defect

Tracking

(Not tracked)

Status:
RESOLVED INCOMPLETE

People

(Reporter: intermittent-bug-filer, Unassigned)

Details

(Keywords: intermittent-failure, regression)

#[markdown(off)]
Filed by: dluca [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=231367455&repo=autoland

https://queue.taskcluster.net/v1/task/SSyE86s5SDWRfF1oQl4dzQ/runs/0/artifacts/public/logs/live_backing.log

":["19"],"filename":"../../venv/lib/python2.7/site-packages/firefox_puppeteer/ui/windows.py","sandbox":"default","line":157}]
[task 2019-03-01T23:02:38.231Z] 23:02:38 INFO - 1551481358229 Marionette DEBUG 1 <- [1,620,null,{"value":true}]
[task 2019-03-01T23:02:38.235Z] 23:02:38 INFO - 1551481358233 Marionette DEBUG 1 -> [0,621,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.236Z] 23:02:38 INFO - 1551481358233 Marionette DEBUG 1 <- [1,621,null,{"value":null}]
[task 2019-03-01T23:02:38.239Z] 23:02:38 INFO - 1551481358234 Marionette DEBUG 1 -> [0,622,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.239Z] 23:02:38 INFO - 1551481358234 Marionette DEBUG 1 <- [1,622,null,{"value":null}]
[task 2019-03-01T23:02:38.243Z] 23:02:38 INFO - 1551481358236 Marionette DEBUG 1 -> [0,623,"WebDriver:GetChromeWindowHandles",{}]
[task 2019-03-01T23:02:38.243Z] 23:02:38 INFO - 1551481358236 Marionette DEBUG 1 <- [1,623,null,["1","11","15","19"]]
[task 2019-03-01T23:02:38.245Z] 23:02:38 INFO - 1551481358239 Marionette DEBUG 1 -> [0,624,"WebDriver:SwitchToWindow",{"focus":true,"name":"19"}]
[task 2019-03-01T23:02:38.245Z] 23:02:38 INFO - 1551481358241 Marionette DEBUG 1 <- [1,624,null,{"value":null}]
[task 2019-03-01T23:02:38.246Z] 23:02:38 INFO - 1551481358243 Marionette DEBUG 1 -> [0,625,"WebDriver:GetChromeWindowHandle",{}]
[task 2019-03-01T23:02:38.247Z] 23:02:38 INFO - 1551481358244 Marionette DEBUG 1 <- [1,625,null,{"value":"19"}]
[task 2019-03-01T23:02:38.251Z] 23:02:38 INFO - 1551481358247 Marionette DEBUG 1 -> [0,626,"Marionette:GetContext",{}]
[task 2019-03-01T23:02:38.251Z] 23:02:38 INFO - 1551481358247 Marionette DEBUG 1 <- [1,626,null,{"value":"chrome"}]
[task 2019-03-01T23:02:38.253Z] 23:02:38 INFO - 1551481358248 Marionette DEBUG 1 -> [0,627,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.253Z] 23:02:38 INFO - 1551481358249 Marionette DEBUG 1 <- [1,627,null,{"value":null}]
[task 2019-03-01T23:02:38.258Z] 23:02:38 INFO - 1551481358251 Marionette DEBUG 1 -> [0,628,"WebDriver:GetChromeWindowHandle",{}]
[task 2019-03-01T23:02:38.258Z] 23:02:38 INFO - 1551481358251 Marionette DEBUG 1 <- [1,628,null,{"value":"19"}]
[task 2019-03-01T23:02:38.263Z] 23:02:38 INFO - 1551481358257 Marionette DEBUG 1 -> [0,629,"Marionette:GetWindowType",{}]
[task 2019-03-01T23:02:38.263Z] 23:02:38 INFO - 1551481358258 Marionette DEBUG 1 <- [1,629,null,{"value":"navigator:browser"}]
[task 2019-03-01T23:02:38.264Z] 23:02:38 INFO - 1551481358260 Marionette DEBUG 1 -> [0,630,"WebDriver:GetChromeWindowHandles",{}]
[task 2019-03-01T23:02:38.265Z] 23:02:38 INFO - 1551481358260 Marionette DEBUG 1 <- [1,630,null,["1","11","15","19"]]
[task 2019-03-01T23:02:38.268Z] 23:02:38 INFO - 1551481358261 Marionette DEBUG 1 -> [0,631,"Marionette:GetContext",{}]
[task 2019-03-01T23:02:38.269Z] 23:02:38 INFO - 1551481358261 Marionette DEBUG 1 <- [1,631,null,{"value":"chrome"}]
[task 2019-03-01T23:02:38.270Z] 23:02:38 INFO - 1551481358262 Marionette DEBUG 1 -> [0,632,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.271Z] 23:02:38 INFO - 1551481358262 Marionette DEBUG 1 <- [1,632,null,{"value":null}]
[task 2019-03-01T23:02:38.273Z] 23:02:38 INFO - 1551481358268 Marionette DEBUG 1 -> [0,633,"WebDriver:ExecuteScript",{"script":"Components.utils.import(\"resource://gre/modules/Services.jsm\");\n\n ... ":["19"],"filename":"../../venv/lib/python2.7/site-packages/firefox_puppeteer/ui/windows.py","sandbox":"default","line":157}]
[task 2019-03-01T23:02:38.274Z] 23:02:38 INFO - 1551481358271 Marionette DEBUG 1 <- [1,633,null,{"value":true}]
[task 2019-03-01T23:02:38.276Z] 23:02:38 INFO - 1551481358275 Marionette DEBUG 1 -> [0,634,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.277Z] 23:02:38 INFO - 1551481358275 Marionette DEBUG 1 <- [1,634,null,{"value":null}]
[task 2019-03-01T23:02:38.279Z] 23:02:38 INFO - 1551481358276 Marionette DEBUG 1 -> [0,635,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.280Z] 23:02:38 INFO - 1551481358277 Marionette DEBUG 1 <- [1,635,null,{"value":null}]
[task 2019-03-01T23:02:38.284Z] 23:02:38 INFO - 1551481358281 Marionette DEBUG 1 -> [0,636,"Marionette:GetContext",{}]
[task 2019-03-01T23:02:38.285Z] 23:02:38 INFO - 1551481358281 Marionette DEBUG 1 <- [1,636,null,{"value":"chrome"}]
[task 2019-03-01T23:02:38.287Z] 23:02:38 INFO - 1551481358282 Marionette DEBUG 1 -> [0,637,"Marionette:SetContext",{"value":"content"}]
[task 2019-03-01T23:02:38.287Z] 23:02:38 INFO - 1551481358282 Marionette DEBUG 1 <- [1,637,null,{"value":null}]
[task 2019-03-01T23:02:38.288Z] 23:02:38 INFO - 1551481358284 Marionette DEBUG 1 -> [0,638,"WebDriver:Navigate",{"url":"http://127.0.0.1:33858/layout/mozilla_projects.html"}]
[task 2019-03-01T23:02:38.289Z] 23:02:38 INFO - 1551481358286 Marionette DEBUG 1 <- [1,638,{"error":"no such window","message":"Browsing context has been discarded","stacktrace":"WebDriverError@chrome://marion ... t@chrome://marionette/content/server.js:236:9\n_onJSONObjectReady/<@chrome://marionette/content/transport.js:492:20\n"},null]
[task 2019-03-01T23:02:38.296Z] 23:02:38 INFO - 1551481358290 Marionette DEBUG 1 -> [0,639,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.296Z] 23:02:38 INFO - 1551481358290 Marionette DEBUG 1 <- [1,639,null,{"value":null}]
[task 2019-03-01T23:02:38.301Z] 23:02:38 INFO - 1551481358293 Marionette DEBUG 1 -> [0,640,"Marionette:GetContext",{}]
[task 2019-03-01T23:02:38.302Z] 23:02:38 INFO - 1551481358293 Marionette DEBUG 1 <- [1,640,null,{"value":"chrome"}]
[task 2019-03-01T23:02:38.302Z] 23:02:38 INFO - 1551481358294 Marionette DEBUG 1 -> [0,641,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.303Z] 23:02:38 INFO - 1551481358294 Marionette DEBUG 1 <- [1,641,null,{"value":null}]
[task 2019-03-01T23:02:38.304Z] 23:02:38 INFO - 1551481358295 Marionette DEBUG 1 -> [0,642,"WebDriver:TakeScreenshot",{"highlights":null,"full":true,"hash":false,"id":null,"scroll":true}]
[task 2019-03-01T23:02:38.361Z] 23:02:38 INFO - 1551481358351 Marionette DEBUG 1 <- [1,642,null,{"value":"iVBORw0KGgoAAAANSUhEUgAABQAAAAQQCAYAAAC9RfbYAAAgAElEQVR4nOzdfYzchX3ncUv5pxL0ISSkIaryINEqqVT1JFpodKcrkWh ... gAAAAAYwIQAAAAAMYEIAAAAACMCUAAAAAAGBOAAAAAADAmAAEAAABgTAACAAAAwJgABAAAAIAxAQgAAAAAYwIQAAAAAMYC0HiCbw9/fyEAAAAASUVORK5CYII="}]
[task 2019-03-01T23:02:38.361Z] 23:02:38 INFO - 1551481358352 Marionette DEBUG 1 -> [0,643,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.362Z] 23:02:38 INFO - 1551481358352 Marionette DEBUG 1 <- [1,643,null,{"value":null}]
[task 2019-03-01T23:02:38.362Z] 23:02:38 INFO - 1551481358353 Marionette DEBUG 1 -> [0,644,"Marionette:GetContext",{}]
[task 2019-03-01T23:02:38.362Z] 23:02:38 INFO - 1551481358353 Marionette DEBUG 1 <- [1,644,null,{"value":"chrome"}]
[task 2019-03-01T23:02:38.362Z] 23:02:38 INFO - 1551481358354 Marionette DEBUG 1 -> [0,645,"Marionette:SetContext",{"value":"content"}]
[task 2019-03-01T23:02:38.362Z] 23:02:38 INFO - 1551481358354 Marionette DEBUG 1 <- [1,645,null,{"value":null}]
[task 2019-03-01T23:02:38.363Z] 23:02:38 INFO - 1551481358355 Marionette DEBUG 1 -> [0,646,"WebDriver:GetPageSource",{}]
[task 2019-03-01T23:02:38.364Z] 23:02:38 INFO - 1551481358355 Marionette DEBUG 1 <- [1,646,{"error":"no such window","message":"Browsing context has been discarded","stacktrace":"WebDriverError@chrome://marion ... t@chrome://marionette/content/server.js:236:9\n_onJSONObjectReady/<@chrome://marionette/content/transport.js:492:20\n"},null]
[task 2019-03-01T23:02:38.364Z] 23:02:38 INFO - 1551481358357 Marionette DEBUG 1 -> [0,647,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - Failed to gather test failure debug: Browsing context has been discarded
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - stacktrace:
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - WebDriverError@chrome://marionette/content/error.js:179:5
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - NoSuchWindowError@chrome://marionette/content/error.js:411:5
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - assert.that/<@chrome://marionette/content/assert.js:417:13
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - assert.open@chrome://marionette/content/assert.js:175:25
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - GeckoDriver.prototype.getPageSource@chrome://marionette/content/driver.js:1158:22
[task 2019-03-01T23:02:38.365Z] 23:02:38 WARNING - despatch@chrome://marionette/content/server.js:289:40
[task 2019-03-01T23:02:38.366Z] 23:02:38 WARNING - execute@chrome://marionette/content/server.js:262:16
[task 2019-03-01T23:02:38.366Z] 23:02:38 WARNING - onPacket/<@chrome://marionette/content/server.js:235:20
[task 2019-03-01T23:02:38.366Z] 23:02:38 WARNING - onPacket@chrome://marionette/content/server.js:236:9
[task 2019-03-01T23:02:38.366Z] 23:02:38 WARNING - _onJSONObjectReady/<@chrome://marionette/content/transport.js:492:20
[task 2019-03-01T23:02:38.366Z] 23:02:38 WARNING -
[task 2019-03-01T23:02:38.402Z] 23:02:38 INFO - TEST-UNEXPECTED-ERROR | testing/firefox-ui/tests/functional/sessionstore/test_restore_windows_after_restart_and_quit.py TestSessionStoreEnabledAllWindows.test_with_variety | NoSuchWindowException: Browsing context has been discarded
[task 2019-03-01T23:02:38.402Z] 23:02:38 INFO - stacktrace:
[task 2019-03-01T23:02:38.403Z] 23:02:38 INFO - WebDriverError@chrome://marionette/content/error.js:179:5
[task 2019-03-01T23:02:38.404Z] 23:02:38 INFO - NoSuchWindowError@chrome://marionette/content/error.js:411:5
[task 2019-03-01T23:02:38.404Z] 23:02:38 INFO - assert.that/<@chrome://marionette/content/assert.js:417:13
[task 2019-03-01T23:02:38.405Z] 23:02:38 INFO - assert.open@chrome://marionette/content/assert.js:175:25
[task 2019-03-01T23:02:38.405Z] 23:02:38 INFO - GeckoDriver.prototype.get@chrome://marionette/content/driver.js:1072:10
[task 2019-03-01T23:02:38.405Z] 23:02:38 INFO - despatch@chrome://marionette/content/server.js:289:40
[task 2019-03-01T23:02:38.406Z] 23:02:38 INFO - execute@chrome://marionette/content/server.js:262:16
[task 2019-03-01T23:02:38.406Z] 23:02:38 INFO - onPacket/<@chrome://marionette/content/server.js:235:20
[task 2019-03-01T23:02:38.406Z] 23:02:38 INFO - onPacket@chrome://marionette/content/server.js:236:9
[task 2019-03-01T23:02:38.407Z] 23:02:38 INFO - _onJSONObjectReady/<@chrome://marionette/content/transport.js:492:20
[task 2019-03-01T23:02:38.408Z] 23:02:38 INFO - Traceback (most recent call last):
[task 2019-03-01T23:02:38.408Z] 23:02:38 INFO - File "/builds/worker/workspace/build/venv/lib/python2.7/site-packages/marionette_harness/marionette_test/testcases.py", line 140, in run
[task 2019-03-01T23:02:38.409Z] 23:02:38 INFO - self.setUp()
[task 2019-03-01T23:02:38.409Z] 23:02:38 INFO - File "/builds/worker/workspace/build/tests/firefox-ui/tests/testing/firefox-ui/tests/functional/sessionstore/test_restore_windows_after_restart_and_quit.py", line 21, in setUp
[task 2019-03-01T23:02:38.410Z] 23:02:38 INFO - include_private=include_private, startup_page=3)
[task 2019-03-01T23:02:38.410Z] 23:02:38 INFO - File "/builds/worker/workspace/build/tests/firefox-ui/tests/testing/firefox-ui/tests/functional/sessionstore/session_store_test_case.py", line 58, in setUp
[task 2019-03-01T23:02:38.411Z] 23:02:38 INFO - self.open_windows(self.private_windows, is_private=True)
[task 2019-03-01T23:02:38.411Z] 23:02:38 INFO - File "/builds/worker/workspace/build/tests/firefox-ui/tests/testing/firefox-ui/tests/functional/sessionstore/session_store_test_case.py", line 108, in open_windows
[task 2019-03-01T23:02:38.412Z] 23:02:38 INFO - self.open_tabs(win, urls)
[task 2019-03-01T23:02:38.413Z] 23:02:38 INFO - File "/builds/worker/workspace/build/tests/firefox-ui/tests/testing/firefox-ui/tests/functional/sessionstore/session_store_test_case.py", line 131, in open_tabs
[task 2019-03-01T23:02:38.413Z] 23:02:38 INFO - self.marionette.navigate(url)
[task 2019-03-01T23:02:38.414Z] 23:02:38 INFO - File "/builds/worker/workspace/build/venv/lib/python2.7/site-packages/marionette_driver/marionette.py", line 1638, in navigate
[task 2019-03-01T23:02:38.414Z] 23:02:38 INFO - {"url": url})
[task 2019-03-01T23:02:38.414Z] 23:02:38 INFO - File "/builds/worker/workspace/build/venv/lib/python2.7/site-packages/marionette_driver/decorators.py", line 26, in _
[task 2019-03-01T23:02:38.415Z] 23:02:38 INFO - return func(*args, **kwargs)
[task 2019-03-01T23:02:38.416Z] 23:02:38 INFO - File "/builds/worker/workspace/build/venv/lib/python2.7/site-packages/marionette_driver/marionette.py", line 769, in _send_message
[task 2019-03-01T23:02:38.417Z] 23:02:38 INFO - self._handle_error(err)
[task 2019-03-01T23:02:38.417Z] 23:02:38 INFO - File "/builds/worker/workspace/build/venv/lib/python2.7/site-packages/marionette_driver/marionette.py", line 789, in _handle_error
[task 2019-03-01T23:02:38.418Z] 23:02:38 INFO - raise errors.lookup(error)(message, stacktrace=stacktrace)
[task 2019-03-01T23:02:38.419Z] 23:02:38 INFO - TEST-INFO took 10757ms
[task 2019-03-01T23:02:38.420Z] 23:02:38 INFO - 1551481358358 Marionette DEBUG 1 <- [1,647,null,{"value":null}]
[task 2019-03-01T23:02:38.421Z] 23:02:38 INFO - 1551481358371 Marionette DEBUG 1 -> [0,648,"WebDriver:DeleteSession",{}]
[task 2019-03-01T23:02:38.422Z] 23:02:38 INFO - 1551481358376 Marionette DEBUG 1 <- [1,648,null,{"value":null}]
[task 2019-03-01T23:02:38.422Z] 23:02:38 INFO - TEST-START | testing/firefox-ui/tests/functional/sessionstore/test_restore_windows_after_restart_and_quit.py TestSessionStoreEnabledNoPrivateWindows.test_with_variety
[task 2019-03-01T23:02:38.423Z] 23:02:38 INFO - 1551481358382 Marionette DEBUG Accepted connection 2 from 127.0.0.1:56724
[task 2019-03-01T23:02:38.424Z] 23:02:38 INFO - 1551481358385 Marionette DEBUG Closed connection 1
[task 2019-03-01T23:02:38.425Z] 23:02:38 INFO - 1551481358386 Marionette DEBUG 2 -> [0,1,"WebDriver:NewSession",{"strictFileInteractability":true}]
[task 2019-03-01T23:02:38.425Z] 23:02:38 INFO - 1551481358388 Marionette TRACE [21474836481] Frame script loaded
[task 2019-03-01T23:02:38.426Z] 23:02:38 INFO - 1551481358389 Marionette TRACE [21474836481] Frame script registered
[task 2019-03-01T23:02:38.426Z] 23:02:38 INFO - 1551481358394 Marionette DEBUG 2 <- [1,1,null,{"sessionId":"7f5db85d-ad37-4256-8467-764838a828f9","capabilities":{"browserName":"firefox","browserVersion":"67.0a ... ld/tmpq7YTq7.mozrunner","moz:shutdownTimeout":60000,"moz:useNonSpecCompliantPointerOrigin":false,"moz:webdriverClick":true}}]
[task 2019-03-01T23:02:38.427Z] 23:02:38 INFO - 1551481358395 Marionette DEBUG 2 -> [0,2,"WebDriver:SetTimeouts",{"script":30000}]
[task 2019-03-01T23:02:38.428Z] 23:02:38 INFO - 1551481358395 Marionette DEBUG 2 <- [1,2,null,{"value":null}]
[task 2019-03-01T23:02:38.429Z] 23:02:38 INFO - 1551481358396 Marionette DEBUG 2 -> [0,3,"WebDriver:SetTimeouts",{"pageLoad":300000}]
[task 2019-03-01T23:02:38.429Z] 23:02:38 INFO - 1551481358397 Marionette DEBUG 2 <- [1,3,null,{"value":null}]
[task 2019-03-01T23:02:38.430Z] 23:02:38 INFO - 1551481358397 Marionette DEBUG 2 -> [0,4,"WebDriver:SetTimeouts",{"implicit":0}]
[task 2019-03-01T23:02:38.431Z] 23:02:38 INFO - 1551481358398 Marionette DEBUG 2 <- [1,4,null,{"value":null}]
[task 2019-03-01T23:02:38.431Z] 23:02:38 INFO - 1551481358399 Marionette DEBUG 2 -> [0,5,"WebDriver:GetWindowHandles",{}]
[task 2019-03-01T23:02:38.432Z] 23:02:38 INFO - 1551481358399 Marionette DEBUG 2 <- [1,5,null,["4294967299","8589934593","10737418243","15032385537","17179869187","21474836481"]]
[task 2019-03-01T23:02:38.433Z] 23:02:38 INFO - 1551481358418 Marionette DEBUG 2 -> [0,6,"WebDriver:GetWindowHandles",{}]
[task 2019-03-01T23:02:38.434Z] 23:02:38 INFO - 1551481358420 Marionette DEBUG 2 <- [1,6,null,["4294967299","8589934593","10737418243","15032385537","17179869187","21474836481"]]
[task 2019-03-01T23:02:38.442Z] 23:02:38 INFO - 1551481358439 Marionette DEBUG 2 -> [0,7,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.443Z] 23:02:38 INFO - 1551481358439 Marionette DEBUG 2 <- [1,7,null,{"value":null}]
[task 2019-03-01T23:02:38.443Z] 23:02:38 INFO - 1551481358441 Marionette DEBUG 2 -> [0,8,"WebDriver:GetChromeWindowHandle",{}]
[task 2019-03-01T23:02:38.444Z] 23:02:38 INFO - 1551481358441 Marionette DEBUG 2 <- [1,8,null,{"value":"19"}]
[task 2019-03-01T23:02:38.445Z] 23:02:38 INFO - 1551481358442 Marionette DEBUG 2 -> [0,9,"WebDriver:GetChromeWindowHandle",{}]
[task 2019-03-01T23:02:38.446Z] 23:02:38 INFO - 1551481358444 Marionette DEBUG 2 <- [1,9,null,{"value":"19"}]
[task 2019-03-01T23:02:38.451Z] 23:02:38 INFO - 1551481358446 Marionette DEBUG 2 -> [0,10,"Marionette:GetContext",{}]
[task 2019-03-01T23:02:38.451Z] 23:02:38 INFO - 1551481358446 Marionette DEBUG 2 <- [1,10,null,{"value":"chrome"}]
[task 2019-03-01T23:02:38.452Z] 23:02:38 INFO - 1551481358447 Marionette DEBUG 2 -> [0,11,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.452Z] 23:02:38 INFO - 1551481358447 Marionette DEBUG 2 <- [1,11,null,{"value":null}]
[task 2019-03-01T23:02:38.453Z] 23:02:38 INFO - 1551481358448 Marionette DEBUG 2 -> [0,12,"WebDriver:GetChromeWindowHandle",{}]
[task 2019-03-01T23:02:38.453Z] 23:02:38 INFO - 1551481358448 Marionette DEBUG 2 <- [1,12,null,{"value":"19"}]
[task 2019-03-01T23:02:38.454Z] 23:02:38 INFO - 1551481358449 Marionette DEBUG 2 -> [0,13,"Marionette:GetWindowType",{}]
[task 2019-03-01T23:02:38.455Z] 23:02:38 INFO - 1551481358449 Marionette DEBUG 2 <- [1,13,null,{"value":"navigator:browser"}]
[task 2019-03-01T23:02:38.459Z] 23:02:38 INFO - 1551481358454 Marionette DEBUG 2 -> [0,14,"WebDriver:GetChromeWindowHandles",{}]
[task 2019-03-01T23:02:38.459Z] 23:02:38 INFO - 1551481358455 Marionette DEBUG 2 <- [1,14,null,["1","11","15","19"]]
[task 2019-03-01T23:02:38.460Z] 23:02:38 INFO - 1551481358456 Marionette DEBUG 2 -> [0,15,"Marionette:GetContext",{}]
[task 2019-03-01T23:02:38.460Z] 23:02:38 INFO - 1551481358456 Marionette DEBUG 2 <- [1,15,null,{"value":"chrome"}]
[task 2019-03-01T23:02:38.461Z] 23:02:38 INFO - 1551481358457 Marionette DEBUG 2 -> [0,16,"Marionette:SetContext",{"value":"chrome"}]
[task 2019-03-01T23:02:38.462Z] 23:02:38 INFO - 1551481358457 Marionette DEBUG 2 <- [1,16,null,{"value":null}]
[task 2019-03-01T23:02:38.467Z] 23:02:38 INFO - 1551481358459 Marionette DEBUG 2 -> [0,17,"WebDriver:ExecuteScript",{"script":"Components.utils.import(\"resource://gre/modules/Services.jsm\");\n\n ... ":["19"],"filename":"../../venv/lib/python2.7/site-packages/firefox_puppeteer/ui/windows.py","sandbox":"default","line":157}]

I cannot see why the browsing context disappeared. It might have been a one off failure. Lets wait for more failures.

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup

Status: NEW → RESOLVED
Closed: 6 years ago
Resolution: --- → INCOMPLETE
You need to log in before you can comment on or make changes to this bug.