Re: Possible to add timestamp to application logs (e.g. stderr)?

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On Sat, Apr 29, 2023 at 2:54 PM sebb <sebbaz@xxxxxxxxx> wrote:
>
> Is it possible to add a timestamp prefix to messages logged by an
> application, e.g. to stderr?
>
> I was hoping that ErrorLogFormat would do this, but it seems that only
> applies to messages logged by the server.

stderr inside the server itself goes to the main/global ErrorLog,
there is nothing fancy intercepting it.
mod_cgid in trunk only does wrap what the CGI writes to its stderr:
https://bz.apache.org/bugzilla/show_bug.cgi?id=54221

as the bug says, mod_cgi (single-threaded apache) always passed the
stderr output from the CGI into apache logging.  Other interfaces into
the server for apps could go either way.

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