Re: apache 2.4 mpm prefork or event?
Re: apache 2.4 mpm prefork or event?
- Subject: Re: apache 2.4 mpm prefork or event?
- From: Michael Kondratov via Webobjects-dev <email@hidden>
- Date: Tue, 11 Jan 2022 09:45:56 -0500
You need to use prefork Apache. Processes instead threads. The WO adapter will
not work in a multithreaded setup.
Disable http2.
Michael
Sent from my iPhone
> On Jan 11, 2022, at 4:21 AM, John Pollard via Webobjects-dev
> <email@hidden> wrote:
>
> Hello list,
>
> I recently moved to Amazon Linux 2 and apache 2.4
>
> In /etc/httpd/conf.modules.d/00-mpm.conf
>
> If I opt for prefork, I see this in the error log:
>
> The mpm module (prefork.c) is not supported by mod_http2. The mpm determines
> how things are processed in your server. HTTP/2 has more demands in this
> regard and the currently selected mpm will just not do. This is an advisory
> warning. Your server will continue to work, but the HTTP/2 protocol will be
> inactive.
>
> If I instead opt for the event module
>
> I intermittently get segmentation faults logged, such as:
> [Tue Jan 11 07:35:36.570934 2022] [core:notice] [pid 2485:tid
> 139715274359360] AH00052: child pid 3132 exit signal Segmentation fault (11)
>
> Should I be able to use mpm event and how important is having support for
> http/2? I believe I have the correct mod_WebObjects.so for apache 2.4, works
> fine with prefork
>
> Many thanks,
> John
>
>
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