Hi there,
I'm experiencing many problems with the log file path while trying to
use a relative file path. I've got a Web application written in Java and
powered by Tomcat. The thing is I'm doing my development in a Windows
machine and so far I've hard-coded the path I want my log file to be
written. But the application is intended to be deployed in a Linux
machine and therefore the log file path is bound to change.
So far, I'm writing both paths in my log4j.properties file and
commenting the one I don't need in each situation:
log4j.appender.Appender.File=C:\\emedica\\SEG_QUIM\\aplicacion\\filesystem\\securequim\\logs\\ADMPAC\\ADMPAC.log
#log4j.appender.Appender.File=/home/securequim/logs/ADMPAC/ADMPAC.log
Now, this is not very practical and I think it could be improved.
The way to improve it, I guess, is by specifying a variable to be used
in the log4j.properties file, the same as ${cataline.home} or
${user.home}. Now what I do is the following:
1. I right-click in the Apache Tomcat icon in the notification area of
Windows and choose "Configure...". I then go to the "Java" tab and in
the "Java Options", which already contains the following:
-Dcatalina.home=C:\Program Files\Apache Software Foundation\Tomcat 5.0
-Djava.endorsed.dirs=C:\Program Files\Apache Software Foundation\Tomcat
5.0\common\endorsed
-Djava.io.tmpdir=C:\Program Files\Apache Software Foundation\Tomcat 5.0
I add:
-DlogDir=C:\emedica\SEG_QUIM\aplicacion\filesystem\securequim\logs\ADMPAC
in my Windows machine.
2. In my log4j.properties file I substitute the absolute hard-coded path
with the following line:
log4j.appender.Appender.File=${logDir}\\ADMPAC.log
3. Much to my surprise, my log file is written in my root directory
(C:\) !!!
I've been debugging the application and it seems as though either Tomcat
or the JVM (I don't know which of the does the operation) do not
recognise the logDir variable: the fileName variable contains a bacsklash.
4. Even more surprising: the same happens when I use ${catalina.home} !!!
I've been reading lots of Web pages on this, but apparently none was the
right one... Any help would be highly appreciated.
Thanks,
JON HAITZ
--
Jon Haitz Legarreta Gorroño
Laguntzaile zientifikoa / Colaborador científico / Scientific collaborator
VICOMTech - Visual Interaction and Communication Technologies Center
Mikeletegi Pasealekua, 57 - Parque Tecnológico
E-20009 Donostia - San Sebastián, Spain
Tel: +[34] 943 30 92 30
Fax: +[34] 943 30 93 93
e-mail: [EMAIL PROTECTED]
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