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From "Mahesh Joshi" <jos...@comcast.net>
Subject Re: Log4J and Struts
Date Tue, 23 Sep 2003 14:30:11 GMT
Hi,

Unfortunately this does not work for Tomcat 4.1.24

When I put log4j-1.2.8 in the jak*/common/lib or jak*/shared/lib I dont get
the results desired.
In the former, tomcat doesnt startup and in the latter struts does not
initialize.

Looks like I am missing something in the relationship between
commons-logging and Log4J.

Thanks!

Mahesh

----- Original Message ----- 
From: "Abhijeet Mahalkar" <Abhijeet.Mahalkar@indussoft.com>
To: "Struts Users Mailing List" <struts-user@jakarta.apache.org>
Sent: Monday, September 22, 2003 2:39 AM
Subject: Re: Log4J and Struts


hi Mahesh,

No u have to keep ur log4j-1.2.8.jar into websphere\appserver\lib dir not
web-inf.
here it will not give any error.
I was working on the same kind of error an hr before but copy paste into
websphere\appserver\lib solved my problem...

regards
abhijeet

----- Original Message ----- 
From: "Mahesh Joshi" <joshim@comcast.net>
To: "Struts Users Mailing List" <struts-user@jakarta.apache.org>
Sent: Monday, September 22, 2003 2:59 PM
Subject: Log4J and Struts


Hi,

I am moving my current web application to struts and I am facing a problem.

We use Log4J for our logging (Log4J version 1.2.8)

If I have the log4j-1.2.8.jar in my WEB-INF/lib directory, the Action
servlet does not initialize

Tomcat log file says:
javax.servlet.ServletException: Error instantiating servlet class
org.apache.struts.action.ActionServlet
 at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:91
2)
...
----- Root Cause -----
java.lang.ExceptionInInitializerError
Caused by: org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException: No suitable Log
constructor [Ljava.lang.Class;@3a5794 for
org.apache.commons.logging.impl.Log4JLogger
 at
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.ja
va:532)
Caused by: org.apache.commons.logging.LogConfigurationException: No suitable
Log constructor [Ljava.lang.Class;@3a5794 for
org.apache.commons.logging.impl.Log4JLogger
 at
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryI
mpl.java:432)
 at
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.ja
va:525)
 ... 28 more
Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Logger
 at java.lang.Class.getDeclaredConstructors0(Native Method)
 at java.lang.Class.privateGetDeclaredConstructors(Class.java:1590)
 at java.lang.Class.getConstructor0(Class.java:1762)
 at java.lang.Class.getConstructor(Class.java:1002)
 at
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryI
mpl.java:429)
 ... 29 more


If I remove the log4J.jar from WEB-INF/lib, the ActionServlet
initializes(but then my app. cant log).
I searched the archive and implemented the solution provided by Sgarlata
Matt
http://www.mail-archive.com/struts-user@jakarta.apache.org/msg79448.html

Howeve, putting the commons-logging.properties in the WEB-INF/classes/
folder didnt help either.
(note that our log4J config file has been kept in the WEB-INF folder. Even
if I keep the commons-logging.properties in the WEB-INF folder, it doesnt
work).

Please help!

Mahesh


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