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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: mod_jk log level and logging issues
Date Wed, 09 Aug 2006 16:41:21 GMT
Hi,

thanks for the feedback. Good info!

fredk2 schrieb:
> issue 1:
> --------
> 
> With mod_jk 1.2.15 i set my jk log level:
> 
>     JkLogFile logs/mod_jk.log
>     #JkLogLevel info
>     JkRequestLogFormat "%w %V %U %s %T %B %H %m"
> 
> While switching to 1.2.18 I read in the fine manual that the default log
> level is info so I removed the directive, and.....oh my ! the default is now
> debug :-) 

Grrrrr. You are right. A quick inspection of our code shows, that in
fact: if the JkLogLevel directive is being used and it can not map the
value to a log level, it will use info. If one does not use any
JkLogLevel, then the code really looks like we fall through to debug.
Bad. I'll double check and correct defaults to INFO.

> issue 2:
> --------
> 
> When Tomcat is down I get the following mod_jk.log error mesg and
> JkRequestLog entry:
> . . .
> [Tue Aug 08 14:34:33 2006] [23653:0000] [error] ajp_service::jk_ajp_common.c
> (1794): Error connecting to tomcat. Tomcat is probably not started or is
> listening on the wrong port. worker=myWorker failed
> [Tue Aug 08 14:34:33 2006] myWorker myserver.mydom.com /myapp/jsp/hello 200
> 0.000378 0 HTTP/1.1 GET
> . . .

Again you are right. We log the request before we change the status
code. Not good. I'll try to improve this.

> The JkRequestLog entry shows a http status "200" whereas the browser (apache
> httpd) reports properly "503".

> Also any url that would normally show a status of "404" show "200" when
> tomcat is down.

Why do you expect a 404 in case Tomcat is down? If the request matches
mod_jk JkMount config, it should try to send to tomcat and the result
would be some 50X?

> This is a bit unexpected but it appears that 1.2.15 is doing the same. 
> Hence a broken tomcat can actually make a log stat look very good :)

Regards,

Rainer

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