1882434 - High frequency QA [tier 2] test_pdf_navigation | WebDriverException()

Status: RESOLVED FIXED

(Firefox Build System :: Task Configuration, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: imoraru [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=448703391&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/by0_DQrgRySFGhbIMR31fw/runs/0/artifacts/public/logs/live_backing.log

---

[task 2024-02-28T01:12:20.965Z] TEST-START | test_pdf_navigation
[task 2024-02-28T01:12:21.800Z] Saving screenshot 'screenshot_error.png' to '/home/ubuntu/tasks/task_170907836220052/builds/worker/artifacts/screenshot_error.png'
[task 2024-02-28T01:12:21.993Z] Saving screenshot 'screenshot_error_parent.png' to '/home/ubuntu/tasks/task_170907836220052/builds/worker/artifacts/screenshot_error_parent.png'
[task 2024-02-28T01:12:22.079Z] TEST-UNEXPECTED-ERROR | test_pdf_navigation | WebDriverException()
[task 2024-02-28T01:12:22.079Z] TEST-INFO took 1121ms
[task 2024-02-28T01:12:22.080Z] Traceback (most recent call last):
[task 2024-02-28T01:12:22.080Z]   File "/home/ubuntu/tasks/task_170907836220052/fetches/basic_tests.py", line 78, in __init__
[task 2024-02-28T01:12:22.080Z]     rv = getattr(self, m)(self._expectations[m])
[task 2024-02-28T01:12:22.080Z]   File "/home/ubuntu/tasks/task_170907836220052/fetches/qa_tests.py", line 313, in test_pdf_navigation
[task 2024-02-28T01:12:22.080Z]     self.open_tab("http://www.pdf995.com/samples/pdf.pdf")
[task 2024-02-28T01:12:22.080Z]   File "/home/ubuntu/tasks/task_170907836220052/fetches/basic_tests.py", line 143, in open_tab
[task 2024-02-28T01:12:22.080Z]     self._driver.get(url)
[task 2024-02-28T01:12:22.080Z]   File "/home/ubuntu/.local/lib/python3.10/site-packages/selenium/webdriver/remote/webdriver.py", line 353, in get
[task 2024-02-28T01:12:22.080Z]     self.execute(Command.GET, {"url": url})
[task 2024-02-28T01:12:22.080Z]   File "/home/ubuntu/.local/lib/python3.10/site-packages/selenium/webdriver/remote/webdriver.py", line 344, in execute
[task 2024-02-28T01:12:22.080Z]     self.error_handler.check_response(response)
[task 2024-02-28T01:12:22.081Z]   File "/home/ubuntu/.local/lib/python3.10/site-packages/selenium/webdriver/remote/errorhandler.py", line 229, in check_response
[task 2024-02-28T01:12:22.081Z]     raise exception_class(message, screen, stacktrace)
[task 2024-02-28T01:12:22.081Z] selenium.common.exceptions.WebDriverException: Message: Reached error page: about:neterror?e=dnsNotFound&u=http%3A//www.pdf995.com/samples/pdf.pdf&c=UTF-8&d=We%20can%E2%80%99t%20connect%20to%20the%20server%20at%20www.pdf995.com.
[task 2024-02-28T01:12:22.081Z] Stacktrace:
[task 2024-02-28T01:12:22.081Z] RemoteError@chrome://remote/content/shared/RemoteError.sys.mjs:8:8
[task 2024-02-28T01:12:22.081Z] WebDriverError@chrome://remote/content/shared/webdriver/Errors.sys.mjs:187:5
[task 2024-02-28T01:12:22.081Z] UnknownError@chrome://remote/content/shared/webdriver/Errors.sys.mjs:736:5
[task 2024-02-28T01:12:22.081Z] checkReadyState@chrome://remote/content/marionette/navigate.sys.mjs:61:24
[task 2024-02-28T01:12:22.081Z] onNavigation@chrome://remote/content/marionette/navigate.sys.mjs:329:39
[task 2024-02-28T01:12:22.081Z] emit@resource://gre/modules/EventEmitter.sys.mjs:154:20
[task 2024-02-28T01:12:22.081Z] receiveMessage@chrome://remote/content/marionette/actors/MarionetteEventsParent.sys.mjs:35:25
[task 2024-02-28T01:12:22.081Z] 
[task 2024-02-28T01:12:23.569Z] Exiting with False
[task 2024-02-28T01:12:23.569Z] SUITE-END | took 160s
[taskcluster 2024-02-28T01:12:23.632Z]    Exit Code: 1
[taskcluster 2024-02-28T01:12:23.632Z]    User Time: 1m17.460348s
[taskcluster 2024-02-28T01:12:23.632Z]  Kernel Time: 48.407694s
[taskcluster 2024-02-28T01:12:23.632Z]    Wall Time: 4m48.660232928s
[taskcluster 2024-02-28T01:12:23.632Z]       Result: FAILED
[taskcluster 2024-02-28T01:12:23.632Z] === Task Finished ===
[taskcluster 2024-02-28T01:12:23.632Z] Task Duration: 4m48.667544513s

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1880704

Comment 2

[:gerard-majax]

networking issue, not the first time, goes away after a while; not much we can do with the current design

Comment 3

[Intermittent Failures Robot]

8 failures in 4052 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 8

Platform and build breakdown:

• linux64-snap-stable: 2
  • debug: 1
  • opt: 1
• linux64-snap-nightly: 2
  • debug: 1
  • opt: 1
• linux64-snap-esr: 3
  • debug: 2
  • opt: 1
• linux64-snap-beta: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1882434&startday=2024-02-26&endday=2024-03-03&tree=all

Comment 4

[:gerard-majax]

closing because it's not under our control and no more cases yet. if it happens to be more frequent in the future, we'll have to think about something