1565605 - Intermittent /webdriver/tests/accept_alert/accept.py | test_accept_confirm - UnknownErrorException: unknown error (500): Failed to decode response from marionette

Status: RESOLVED INCOMPLETE

(Testing :: web-platform-tests, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: dvarga [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=255923663&repo=mozilla-release
Full log: https://queue.taskcluster.net/v1/task/K7OXK7UyR2W8TSIVjxa0Hg/runs/0/artifacts/public/logs/live_backing.log

---

11:02:09     INFO - TEST-UNEXPECTED-FAIL | /webdriver/tests/accept_alert/accept.py | test_accept_confirm - UnknownErrorException: unknown error (500): Failed to decode response from marionette
11:02:09     INFO - session = <Session 3032e81b-7218-456b-adce-bdad8f8e4644>
11:02:09     INFO - 
11:02:09     INFO -     def test_accept_confirm(session):
11:02:09     INFO - >       session.url = inline("<script>window.result = window.confirm('Hello');</script>")
11:02:09     INFO - 
11:02:09     INFO - session    = <Session 3032e81b-7218-456b-adce-bdad8f8e4644>
11:02:09     INFO - 
11:02:09     INFO - tests\web-platform\tests\webdriver\tests\accept_alert\accept.py:35: 
11:02:09     INFO - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
11:02:09     INFO - tests\web-platform\tests\tools\webdriver\webdriver\client.py:20: in inner
11:02:09     INFO -     return func(self, *args, **kwargs)
11:02:09     INFO - tests\web-platform\tests\tools\webdriver\webdriver\client.py:521: in url
11:02:09     INFO -     return self.send_session_command("POST", "url", body)
11:02:09     INFO - tests\web-platform\tests\tools\webdriver\webdriver\client.py:508: in send_session_command
11:02:09     INFO -     return self.send_command(method, url, body)
11:02:09     INFO - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
11:02:09     INFO - 
11:02:09     INFO - self = <Session 3032e81b-7218-456b-adce-bdad8f8e4644>, method = 'POST'
11:02:09     INFO - url = 'session/3032e81b-7218-456b-adce-bdad8f8e4644/url'
11:02:09     INFO - body = {'url': 'http://web-platform.test:8000/webdriver/tests/support/inline.py?doc=%3Cscript%3Ewindow.result+%3D+window.confirm%28%27Hello%27%29%3B%3C%2Fscript%3E&content-type=text%2Fhtml%3Bcharset%3Dutf-8'}
11:02:09     INFO - 
11:02:09     INFO -     def send_command(self, method, url, body=None):
11:02:09     INFO -         """
11:02:09     INFO -             Send a command to the remote end and validate its success.
11:02:09     INFO -     
11:02:09     INFO -             :param method: HTTP method to use in request.
11:02:09     INFO -             :param uri: "Command part" of the HTTP request URL,
11:02:09     INFO -                 e.g. `window/rect`.
11:02:09     INFO -             :param body: Optional body of the HTTP request.
11:02:09     INFO -     
11:02:09     INFO -             :return: `None` if the HTTP response body was empty, otherwise
11:02:09     INFO -                 the `value` field returned after parsing the response
11:02:09     INFO -                 body as JSON.
11:02:09     INFO -     
11:02:09     INFO -             :raises error.WebDriverException: If the remote end returns
11:02:09     INFO -                 an error.
11:02:09     INFO -             :raises ValueError: If the response body does not contain a
11:02:09     INFO -                 `value` key.
11:02:09     INFO -             """
11:02:09     INFO -         response = self.transport.send(
11:02:09     INFO -             method, url, body,
11:02:09     INFO -             encoder=protocol.Encoder, decoder=protocol.Decoder,
11:02:09     INFO -             session=self)
11:02:09     INFO -     
11:02:09     INFO -         if response.status != 200:
11:02:09     INFO -             err = error.from_response(response)
11:02:09     INFO -     
11:02:09     INFO -             if isinstance(err, error.InvalidSessionIdException):
11:02:09     INFO -                 # The driver could have already been deleted the session.
11:02:09     INFO -                 self.session_id = None
11:02:09     INFO -     
11:02:09     INFO - >           raise err
11:02:09     INFO - E           UnknownErrorException: unknown error (500): Failed to decode response from marionette

Comment 1

[Intermittent Failures Robot]

1 failures in 4710 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-release: 1

Platform breakdown:

• windows10-64-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1565605&startday=2019-07-08&endday=2019-07-14&tree=all

Comment 2

[Honza Bambas (:mayhemer)]

Seems to me like a test infra problem. Feel free to bounce back if I just can't read the logs right.

Comment 3

[Firefox Bug Husbandry Bot]

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

Comment 4

[Alexandru Michis [:malexandru]]

Recent failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=299542261&repo=try&lineNumber=1655

Comment 5

[Intermittent Failures Robot]

1 failures in 5423 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1

Platform breakdown:

• macosx1014-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1565605&startday=2020-04-27&endday=2020-05-03&tree=all

Comment 6

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

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