[users@httpd] Apache 2.4.6 - ErrorLog

[Jim Albert <ji...@netrition.com>]

In use of CentOS7 servers and the included apache, I'm moving to 
Apache/2.4.6

It appears something related to ErrorLog has changed.
I'm using what I have always used:
ErrorLog "logs/error_log"

and I do see messages going to logs/error_log such as start/stop and 
certain types of errors such as access denied, but something simple like 
a file not found error is not getting logged outside of certain scripts 
not being found associated with SriptAlias definitions.

But just a request to https://'my_web_server'/no_such_file.html does not 
get logged as not found as it used to in earlier apache. Nothing related 
to this file not being found gets printed to logs/error_log.

I've checked docs on ErrorLog along with httpd.conf and .htaccess files, 
but nothing is jumping out at me as relevant to this behavior.

Note LogLevel setting:
LogLevel warn

Thanks,
Jim


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Re: [users@httpd] Apache 2.4.6 - ErrorLog

[Jim Albert <ji...@netrition.com>]

On 9/13/2019 5:07 PM, William A Rowe Jr wrote:
> On Fri, Sep 13, 2019 at 3:46 PM Jim Albert <jim@netrition.com 
> <ma...@netrition.com>> wrote:
>
>     In use of CentOS7 servers and the included apache, I'm moving to
>     Apache/2.4.6
>
>     It appears something related to ErrorLog has changed.
>     I'm using what I have always used:
>     ErrorLog "logs/error_log"
>
>     and I do see messages going to logs/error_log such as start/stop and
>     certain types of errors such as access denied, but something
>     simple like
>     a file not found error is not getting logged outside of certain
>     scripts
>     not being found associated with SriptAlias definitions.
>
>     But just a request to https://'my_web_server'/no_such_file.html
>     does not
>     get logged as not found as it used to in earlier apache. Nothing
>     related
>     to this file not being found gets printed to logs/error_log.
>
>     I've checked docs on ErrorLog along with httpd.conf and .htaccess
>     files,
>     but nothing is jumping out at me as relevant to this behavior.
>
>     Note LogLevel setting:
>     LogLevel warn
>
>
> Right, if the file isn't found the client asked for a 
> non-existent resource.
> Nothing to be "warned" of.
>
> Try LogLevel info (or event debug) if you want to see higher resolution
> details about errors caused by the client, as opposed to errors in your
> configuration that the operator needs to act on.
>
>
Thanks!

I had tried that, but had overlooked that I have a LogLevel setting in 
ssl.conf as well which was overriding the http.conf LogLevel setting.

Apparently, Apache folks change what they consider a warning over time.

What I want to be informed about as in a missing image file used to be 
considered a warning, but now it is not.

In order to be notified of missing files (File not found) messages, I 
have to set LogLevel to at minimum info. Unfortunately, that's way too 
verbose, making the logs mostly useless in terms of a human reviewing 
them casually. Would need some parsing. I prefer a less verbose log with 
helpful statements  I can periodically review myself.

Aside... I don't agree with Apache's decision on what is considered a 
warning.

But again... thanks for pushing me to look further at LogLevel.

Jim

Re: [users@httpd] Apache 2.4.6 - ErrorLog

[William A Rowe Jr <wr...@rowe-clan.net>]

On Fri, Sep 13, 2019 at 3:46 PM Jim Albert <ji...@netrition.com> wrote:

> In use of CentOS7 servers and the included apache, I'm moving to
> Apache/2.4.6
>
> It appears something related to ErrorLog has changed.
> I'm using what I have always used:
> ErrorLog "logs/error_log"
>
> and I do see messages going to logs/error_log such as start/stop and
> certain types of errors such as access denied, but something simple like
> a file not found error is not getting logged outside of certain scripts
> not being found associated with SriptAlias definitions.
>
> But just a request to https://'my_web_server'/no_such_file.html does not
> get logged as not found as it used to in earlier apache. Nothing related
> to this file not being found gets printed to logs/error_log.
>
> I've checked docs on ErrorLog along with httpd.conf and .htaccess files,
> but nothing is jumping out at me as relevant to this behavior.
>
> Note LogLevel setting:
> LogLevel warn


Right, if the file isn't found the client asked for a non-existent resource.
Nothing to be "warned" of.

Try LogLevel info (or event debug) if you want to see higher resolution
details about errors caused by the client, as opposed to errors in your
configuration that the operator needs to act on.