[Mailman-Users] "Mailman CGI error!!! Operation not permitted" - after upgrading Apache to 2.4

Mark Sapiro mark at msapiro.net
Wed Jun 25 16:59:30 CEST 2014

On 06/25/2014 03:09 AM, Tomasz Chmielewski wrote:
> I've updated Apache to 2.4, and my mailman installation refuses to work
> with the following information:
>    Mailman CGI error!!!
>    The Mailman CGI wrapper encountered a fatal error. This entry is
> being stored in your syslog:
>    Operation not permitted

What if anything is in the Apache error_log?

> The only things I see in logs is basically the same as above:
> Jun 25 11:59:37 web1 Mailman cgi-wrapper (listinfo): Operation not
> permitted
> Jun 25 12:01:15 web1 Mailman cgi-wrapper (admin): Operation not permitted
> I've tried stracing Apache process to see where it might get permission
> issues, but I don't see anything like it.
> Does anyone have a clue how to fix it?

The cgi-wrapper is invoked by the web server. It checks the callers
group and then calls scripts/driver which in turn runs the actual
Mailman/Cgi/* script.

Normally, exceptions encountered by the admin.py, listinfo.py, etc.
script are reported by the driver with a full traceback.

It seems in this case the driver script encounters the Operation not
permitted exception either before or in the process of trying to print a

See the comments at the beginning of scripts/driver.

You can manually run as root or a user in Mailman's group

python /path/to/scripts/driver listinfo

and see what that produces.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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