First, sorry for the spam!
I unpacked a fresh tomcat and redeployed my web app and somehow the
gremlins have run away! I have no idea what exactly was the difference,
I know I had the same jars in the same directories, but I foolishly blew
away the old tomcat so I can't do much of a diagnosis. These are just
the kinds of issues I really love ;-)
Jason
Jason Novotny wrote:
Well now I'm really at my wit's end here--
I managed to successfully put all jars into my WEB-INF/lib such that
there are no jars being used in the shared classpath of Tomcat and it
still does not work! I'm only seeing the INFO level logged in
catalina.out and debugging at INFO level for classes that I have not
selected to be logged is being logged.
I've followed the documentation to the letter-- I simply put
commons-logging-1.1.jar (knowing full well that Tomcat ships with an
older version in its bin/ directory) and log4j-1.2.11 both in my
WEB-INF/lib and then my log4.properties in my WEB-INF/classes but it's
never found unless I explicitly use the log4j PropertyConfigurator
class to set the location manually.
Furthermore, in looking at the "Using JCL diagnostics" information, I
put an updated commons-logging-1.1-api.jar in Tomcat/bin and when it
starts up I see
java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
at
org.apache.catalina.startup.Bootstrap.<clinit>(Bootstrap.java:53)
when starting up even though I look at the jar file and it seems its
there--
[fuzzmonkey:~/Jakarta/tomcat-5.5.17/bin] novotny% jar tvf
commons-logging-api-1.1.jar | grep LogFactory
600 Tue May 09 23:08:12 PDT 2006
org/apache/commons/logging/LogFactory$1.class
839 Tue May 09 23:08:12 PDT 2006
org/apache/commons/logging/LogFactory$2.class
900 Tue May 09 23:08:12 PDT 2006
org/apache/commons/logging/LogFactory$3.class
1425 Tue May 09 23:08:12 PDT 2006
org/apache/commons/logging/LogFactory$4.class
1277 Tue May 09 23:08:12 PDT 2006
org/apache/commons/logging/LogFactory$5.class
21140 Tue May 09 23:08:12 PDT 2006
org/apache/commons/logging/LogFactory.class
18619 Tue May 09 23:08:12 PDT 2006
org/apache/commons/logging/impl/LogFactoryImpl.class
Does someone have even the simplest of WAR files bundled with a
commons-logging, log4j jars and properties file that they claim works
that I could test with maybe?
Thanks, Jason
Kerrigan, Seamus wrote:
Hi Jason,
Perhaps you could call
org.apache.commons.logging.LogFactory.release(java.lang.ClassLoader) to
release any previously created LogFactory references associated with the
classloader. The next call to LogFactory.getLog() should force
commons-logging to rediscover the logging implementation.
Regards,
Seamus
-----Original Message-----
From: Jason Novotny [mailto:[EMAIL PROTECTED] Sent: Saturday,
October 14, 2006 8:50 PM
To: Jakarta Commons Users List
Subject: Re: using commons-logging in webapp w/ log4j, can't find my
properties
I think I see my problem--
My webapp first invokes a set of classes that are located in the
shared/lib classpath of Tomcat. Those classes also use
commons-logging, however there is no commons-logging jar in
shared/lib alongside them, My
hunch is they make use of the commons-logging.jar located in
Tomcat/bin directory that ships with tomcat. Then it would seem that
when execution
returns to my webapp, Tomcat classloading magic will just continue to
use the default logging properties and not my log4j.properties file.
I can manually make it all work just by doing
PropertyConfigurator.configure(config.getServletContext().getRealPath("/
WEB-INF/classes/log4j.properties"));
at the top of my servlet, so I guess this appears to the best
solution for now.
Jason
Dennis Lundberg wrote:
I'd suggest that you take a look at the troubleshooting guide for
commons-logging, especially the section on how to turn on
"Diagnostic logging":
http://jakarta.apache.org/commons/logging/troubleshooting.html#Using_JCL
_Diagnostics
That will show you what commons-logging is up to and where it finds
its configuration.
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