That appears to be generated by your OS, not the Apache httpd server.

On Thu, May 6, 2021 at 9:53 AM Steve Dondley <s...@dondley.com.invalid> wrote:

> I have a script, triggered by cron, that runs every minute that checks
> the status of the localhost's server:
>
> my $status = `sudo apachectl status 2>&1`;
>
> After a freshly restarted apaceh2 daemon, the script works fine and the
> contents of $status get written to a file.
>
> But after several minutes or several hours of humming along, a "failed"
> error message will start creeping into the bottom of the apachectl
> status reports along with suggestions for editing the APACHE_LYNX
> variable:
>
>
>
> =============================================================================
>
>                 Apache Server Status for localhost (via 127.0.0.1)
>
>     Server Version: Apache/2.4.38 (Debian) OpenSSL/1.1.1d
>     Server MPM: prefork
>     Server Built: 2020-08-25T20:08:29
>       __________________________________________________________________
>
> <snip>
>
> W____._._.___...................................................
> ................................................................
> ......................
>
>     Scoreboard Key:
>     "_" Waiting for Connection, "S" Starting up, "R" Reading Request,
>     "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
>     "C" Closing connection, "L" Logging, "G" Gracefully finishing,
>     "I" Idle cleanup of worker, "." Open slot with no current process
> 'www-browser --dump http://localhost:80/server-status' failed.
> Maybe you need to install a package providing www-browser or you
> need to adjust the APACHE_LYNX variable in /etc/apache2/envvars
>
>
> =============================================================================
>
> After a few minutes, the error might go away only to come back stronger,
> fiercer and longer a few hours, or minutes, later. There doesn't seem to
> be any rhyme or reason to when this error occurs except that when they
> do happen, they tend to occur in bursts. Other than that the status
> reports are generated perfectly fine except for the error message at the
> end of them. The error will also sometimes show up sometimes, but not
> always, when "apachectl status" is run directly on the command line.
>
> I've got this line in /etc/apache2/envvars: export
> APACHE_LYNX='www-browser --dump'
>
> I've tried using the command with "-dump" and "--dump" but it doesn't
> seem to make a difference.
>
> Any ideas on what might be causing this error to be generated?
>
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