Hello,

Had a similar issue in the past. The error is kind of generic but in my
case it appeared after moving to Python3 for ReviewBoard while Python2 was
still the OS installation (thanks old RH).

The root cause was not having the WSI setup correctly. You need to update
the wsgi file with:

WSGIDaemonProcess ...
WSGIProcessGroup ...

You need to set them-up in the wsgi that you are using (reviewboard.wsgi I
think), the template created by the installation does not contain them.
Note you might get the same error if you try to run multiple wsgi
applications on the same http server.

Regards,

Laurent\


On Tue, Apr 18, 2023 at 8:29 PM Adam Weremczuk <veremch...@gmail.com> wrote:

> Hi all,
>
> Trying to install on Debian 11 with Apache2 and MariaDB.
>
> After site installation and apache configuration the html doesn't render
> and I'm getting:
>
> <!DOCTYPE html>
> <html>
>  <head>
>   <title>HTTP 500 - Review Board is taking a nap</title>
> (...)
>
> Error log:
>
> [Tue Apr 18 18:21:03.923609 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263] mod_wsgi (pid=647): Failed to
> exec Python script file '/var/www/rebo/htdocs/reviewboard.wsgi'.
> [Tue Apr 18 18:21:03.923909 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263] mod_wsgi (pid=647): Exception
> occurred processing WSGI script '/var/www/rebo/htdocs/reviewboard.wsgi'.
> [Tue Apr 18 18:21:03.924326 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263] Traceback (most recent call
> last):
> [Tue Apr 18 18:21:03.924542 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]   File
> "/var/www/rebo/htdocs/reviewboard.wsgi", line 9, in <module>
> [Tue Apr 18 18:21:03.924672 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]     from reviewboard.wsgi
> import application
> [Tue Apr 18 18:21:03.924810 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]   File
> "/usr/local/lib/python3.9/dist-packages/reviewboard/wsgi.py", line 33, in
> <module>
> [Tue Apr 18 18:21:03.924937 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]     application =
> get_wsgi_application()
> [Tue Apr 18 18:21:03.925055 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]   File
> "/usr/local/lib/python3.9/dist-packages/django/core/wsgi.py", line 12, in
> get_wsgi_application
> [Tue Apr 18 18:21:03.925176 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]
> django.setup(set_prefix=False)
> [Tue Apr 18 18:21:03.925309 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]   File
> "/usr/local/lib/python3.9/dist-packages/django/__init__.py", line 24, in
> setup
> [Tue Apr 18 18:21:03.925431 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]
> apps.populate(settings.INSTALLED_APPS)
> [Tue Apr 18 18:21:03.925537 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]   File
> "/usr/local/lib/python3.9/dist-packages/django/apps/registry.py", line 83,
> in populate
> [Tue Apr 18 18:21:03.925646 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263]     raise
> RuntimeError("populate() isn't reentrant")
> [Tue Apr 18 18:21:03.925794 2023] [wsgi:error] [pid 647:tid
> 140449104779008] [client 10.200.20.5:55263] RuntimeError: populate()
> isn't reentrant
>
> It looks like a problem with wsgi.
>
> dpkg -l | grep -i wsgi
> ii  libapache2-mod-wsgi-py3       4.7.1-3+deb11u1                amd64
>    Python 3 WSGI adapter module for Apache
>
> How do I fix the error?
>
> Regards,
> Adam
>
> --
> Supercharge your Review Board with Power Pack:
> https://www.reviewboard.org/powerpack/
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> .
>

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