1297727 - Intermittent test_video_playback.py TestVideoPlayback.test_playback_starts,TestVideoPlayback.test_video_playback_partial | StaleElementException: StaleElementException: The element reference is stale. Either the element is no longer attached to the DOM

Status: RESOLVED INCOMPLETE

(Core :: Audio/Video: Playback, defect, P5)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

+++ This bug was initially created as a clone of Bug #1261875 +++

https://treeherder.mozilla.org/logviewer.html#?job_id=11280673&repo=fx-team

14:19:04     INFO -   1:36.96 TEST_START: MainThread test_video_playback.py TestVideoPlayback.test_video_playback_partial
14:19:18     INFO -   1:51.02 LOG: MainThread INFO https://youtu.be/AbAACm1IQE0
14:19:33     INFO -   2:05.64 LOG: MainThread INFO https://www.youtube.com/watch?v=yOQQCoxs8-k
14:20:50     INFO -   3:22.72 LOG: MainThread INFO https://www.youtube.com/watch?v=1visYpIREUM
14:21:11    ERROR -   3:43.97 TEST_END: MainThread ERROR, expected PASS
14:21:11     INFO -  Traceback (most recent call last):
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/marionette/marionette_test.py", line 344, in run
14:21:11     INFO -      testMethod()
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/external_media_harness/testcase.py", line 180, in test_video_playback_partial
14:21:11     INFO -      self.run_playback(video)
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/external_media_harness/testcase.py", line 74, in run_playback
14:21:11     INFO -      video, playback_done)
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/external_media_tests/utils.py", line 39, in verbose_until
14:21:11     INFO -      return wait.until(condition, message=err_message)
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/marionette_driver/wait.py", line 126, in until
14:21:11     INFO -      rv = condition(self.marionette)
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/external_media_tests/media_utils/video_puppeteer.py", line 343, in playback_done
14:21:11     INFO -      remaining_time = video.remaining_time
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/external_media_tests/media_utils/video_puppeteer.py", line 174, in remaining_time
14:21:11     INFO -      return self.expected_duration - self.current_time
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/external_media_tests/media_utils/video_puppeteer.py", line 166, in current_time
14:21:11     INFO -      'return arguments[0].wrappedJSObject.currentTime;') or 0
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/external_media_tests/media_utils/video_puppeteer.py", line 263, in execute_video_script
14:21:11     INFO -      script_args=[self.video])
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/marionette_driver/marionette.py", line 1633, in execute_script
14:21:11     INFO -      rv = self._send_message("executeScript", body, key="value")
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/marionette_driver/decorators.py", line 42, in _
14:21:11     INFO -      return func(*args, **kwargs)
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/marionette_driver/marionette.py", line 693, in _send_message
14:21:11     INFO -      self._handle_error(err)
14:21:11     INFO -    File "/home/worker/workspace/build/venv/local/lib/python2.7/site-packages/marionette_driver/marionette.py", line 726, in _handle_error
14:21:11     INFO -      raise errors.lookup(error)(message, stacktrace=stacktrace)

Comment 1

[Intermittent Failures Robot]

8 automation job failures were associated with this bug in the last 7 days.

Repository breakdown:
* mozilla-inbound: 3
* autoland: 3
* fx-team: 2

Platform breakdown:
* windows8-64: 3
* linux64: 3
* windows7-32: 2

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1297727&startday=2016-08-22&endday=2016-08-28&tree=all

Comment 2

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

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