Bug: Intermittent browser/components/firefoxview/tests/browser/browser_tab_on_close_warning.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2024-06-04 09:42:07+00:00
Resolved: 2024-07-03 12:01:22+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=460968507&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/VvbhC-CpQYSza7Srz_4YAg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2024-06-04T09:06:19.678Z] 09:06:19     INFO - GECKO(1058) | [Parent 1058, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:407
[task 2024-06-04T09:06:19.679Z] 09:06:19     INFO - GECKO(1058) | [Parent 1058, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:507
[task 2024-06-04T09:06:19.680Z] 09:06:19     INFO - GECKO(1058) | [Parent 1058, Main Thread] WARNING: NS_ENSURE_SUCCESS_VOID(rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:407
[task 2024-06-04T09:06:19.681Z] 09:06:19     INFO - GECKO(1058) | [Parent 1058, Main Thread] WARNING: NS_ENSURE_TRUE(!!svc) failed: file /builds/worker/checkouts/gecko/dom/file/uri/BlobURLProtocolHandler.cpp:507
[task 2024-06-04T09:06:19.788Z] 09:06:19     INFO - TEST-INFO | Main app process: exit 0
[task 2024-06-04T09:06:19.789Z] 09:06:19     INFO - TEST-INFO | Confirming we saw 531 DOCSHELL created and 531 destroyed log strings.
[task 2024-06-04T09:06:19.790Z] 09:06:19     INFO - TEST-INFO | Confirming we saw 1414 DOMWINDOW created and 1414 destroyed log strings.
[task 2024-06-04T09:06:19.792Z] 09:06:19     INFO - TEST-INFO | browser/components/firefoxview/tests/browser/browser_tab_on_close_warning.js | windows(s) leaked: [pid = 1058] [serial = 645], [pid = 1058] [serial = 647]
[task 2024-06-04T09:06:19.793Z] 09:06:19     INFO - TEST-INFO | browser/components/firefoxview/tests/browser/browser_tab_on_close_warning.js | This test created 1 hidden window(s)
[task 2024-06-04T09:06:19.795Z] 09:06:19     INFO - TEST-INFO | browser/components/firefoxview/tests/browser/browser_tab_on_close_warning.js | This test created 1 hidden docshell(s)
<...>
[task 2024-06-04T09:06:19.851Z] 09:06:19     INFO - TEST-INFO | browser/components/firefoxview/tests/browser/browser_tab_close_last_tab.js | This test created 1 hidden docshell(s)
[task 2024-06-04T09:06:19.852Z] 09:06:19     INFO - TEST-INFO | browser/components/firefoxview/tests/browser/browser_tab_list_keyboard_navigation.js | This test created 1 hidden window(s)
[task 2024-06-04T09:06:19.853Z] 09:06:19     INFO - TEST-INFO | browser/components/firefoxview/tests/browser/browser_tab_list_keyboard_navigation.js | This test created 1 hidden docshell(s)
[task 2024-06-04T09:06:19.854Z] 09:06:19     INFO - TEST-UNEXPECTED-FAIL | browser/components/firefoxview/tests/browser/browser_tab_on_close_warning.js | leaked 2 window(s) until shutdown [url = about:firefoxview]
[task 2024-06-04T09:06:19.855Z] 09:06:19     INFO - TEST-INFO 
[task 2024-06-04T09:06:19.856Z] 09:06:19     INFO - runtests.py | Application ran for: 0:09:22.955056
[task 2024-06-04T09:06:19.857Z] 09:06:19     INFO - zombiecheck | Reading PID log: /tmp/tmper5wvu8bpidlog
[task 2024-06-04T09:06:19.858Z] 09:06:19     INFO - ==> process 1058 launched child process 1122
```