Opened 8 years ago

Closed 8 years ago

Last modified 8 years ago

#27766 closed Bug (needsinfo)

runserver crashes because of auto-reloader (Py3 + PowerShell)

Reported by: oTree-org Owned by: nobody
Component: Utilities Version: 1.10
Severity: Normal Keywords:
Cc: Triage Stage: Unreviewed
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by oTree-org)

Repro steps:

  • Install Python 3.x (doesn't happen on 2.x)
  • Open Windows PowerShell (only happens with PowerShell, not CMD or bash)
  • pip install django
  • django-admin startproject foobar
  • cd foobar
  • python manage.py runserver

This causes a Windows crash with a window that says: "Python has stopped working": http://imgur.com/dOt6eKE

However, python manage.py runserver --noreload works fine, so it seems related to the auto-reloader.

Here is the info from the Windows Event Viewer:

Faulting application name: python.exe, version: 3.5.1150.1013
Faulting module name: ucrtbase.dll, version: 10.0.14393.0
Exception code: 0xc0000005
Faulting module path: C:\WINDOWS\System32\ucrtbase.dll

I have seen it happen with at least 5 people using Py3 & PowerShell, with Windows 8 or 10, and various PC models. (Though most people seem unaffected.)

Occurs with Django 1.8/1.10 and Python 3.5/3.6, maybe others also.

Change History (9)

comment:1 by oTree-org, 8 years ago

Description: modified (diff)

comment:2 by Tim Graham, 8 years ago

Component: UncategorizedUtilities
Type: UncategorizedBug

To accept the ticket, we need an explanation of why Django (and not, for example, Python or PowerShell) is at fault. In similar tickets, (#27657, #27586) no one has been able to provide that.

comment:3 by Tim Graham, 8 years ago

Resolution: needsinfo
Status: newclosed

comment:4 by urbanit, 8 years ago

Resolution: needsinfo
Status: closednew

Same situation here, windows 10 pro 1607 pyhton 3.6 Django 1.10.5

Thanks @oTree-org for the workaround with --noreload

comment:5 by Tim Graham, 8 years ago

Resolution: needsinfo
Status: newclosed

As I said before, "To accept the ticket, we need an explanation of why Django (and not, for example, Python or PowerShell) is at fault." Please don't reopen the ticket without that explanation.

comment:6 by oTree-org, 8 years ago

Description: modified (diff)

comment:7 by oTree-org, 8 years ago

Description: modified (diff)

comment:9 by David O'Connor, 8 years ago

Same issue, with both Powershell and PyCharm. Sorry, can't confirm if the bug lies with Django, or Powershell and Pycharm.

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