Hi, Have you removed commons-logging from server/lib? I have found that the only place commons-logging should be is in common/lib, this is the reason I have swithched from commons-logging to logging directly to the underlying logging implementation (log4j in my case).
Regards Jim. > -----Original Message----- > From: Ceki Gülcü [mailto:[EMAIL PROTECTED]] > Sent: 20 February 2003 07:57 > To: Tomcat Users List > Subject: RE: Hundreds of LogConfigurationException > > > > Filip, Jim, Yoav thank you! > > I am using Tomcat 4.1.18 which has commons-logging.jar in > server/lib *and* > commons-logging-api.jar in common/lib. The jar files > commons-logging.jar > and commons-logging-api.jar seem to differ only in the > absence of log4j > support in the latter file. Placing both files as well > log4j-1.2.8.jar in > common/lib seems to be working as far as logging is > concerned. (I also > removed commons-logging.jar from my webapps WEB-INF/lib.) Eventually > though, my tomcat server still dies a painful death but I can > now see the > error messages. :-) > > Why on earth are there two different jar files with almost > identical content? > > > At 12:33 19.02.2003 -0500, you wrote: > > >Howdy, > >Ceki - it's kind of weird to see your name outside the log4j > dev list > >;) Cool though. > > > >Anyways, I think the issue here is with having multiple copies of > >commons-logging. Tomcat uses commons-logging and allows > apps to use it as > >well by placing it common/lib. However, there's a > classloading conflict. > > > >Other people have reported this, e.g. > >http://marc.theaimsgroup.com/?l=tomcat-user&m=104305604609583&w=2 > > > >Perhaps this is worth a shot: move commons-logging jar out > of common/lib > >and into server/lib, so tomcat can still use it internally. > Keep a copy > >of of commons-logging jar (and log4j jar) in your /WEB-INF/lib > >directory. Does that make the problem go away? > > > >Yoav Shapira > >Millennium ChemInformatics > > > > > > >-----Original Message----- > > >From: Ceki Gülcü [mailto:[EMAIL PROTECTED]] > > >Sent: Wednesday, February 19, 2003 12:26 PM > > >To: [EMAIL PROTECTED] > > >Subject: Hundreds of LogConfigurationException > > > > > >Hi all, > > > > > >I am getting a large number of the following exceptions, > until the server > > >eventually stops responding. > > > > > >org.apache.commons.logging.LogConfigurationException: > > >org.apache.commons.logging.LogConfigurationException: > > >org.apache.commons.logging.LogConfigurationException: Class > > >org.apache.commons.logging.impl.Log4JCategoryLog does not > implement Log > > > at > > > >org.apache.commons.logging.impl.LogFactoryImpl.newInstance(Lo > gFactoryImpl.j > > >ava:555) > > > at > > > >org.apache.commons.logging.impl.LogFactoryImpl.getInstance(Lo > gFactoryImpl.j > > >ava:289) > > > at > > >org.apache.commons.logging.LogFactory.getLog(LogFactory.java:409) > > > at > > > >org.apache.tomcat.util.log.CommonLogHandler.log(CommonLogHand > ler.java:97) > > > at org.apache.tomcat.util.log.Log.log(Log.java:198) > > > at org.apache.tomcat.util.log.Log.log(Log.java:192) > > > at org.apache.tomcat.util.log.Log.log(Log.java:174) > > > at > > > >org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run > (ThreadPool.ja > > >va:533) > > > at java.lang.Thread.run(Thread.java:536) > > >Caused by: org.apache.commons.logging.LogConfigurationException: > > >org.apache.commons.logging.LogConfigurationException: Class > > >org.apache.commons.logging.impl.Log4JCategoryLog does not > implement Log > > > at > > > >org.apache.commons.logging.impl.LogFactoryImpl.getLogConstruc > tor(LogFactory > > >Impl.java:420) > > > at > > > >org.apache.commons.logging.impl.LogFactoryImpl.newInstance(Lo > gFactoryImpl.j > > >ava:548) > > > ... 8 more > > >Caused by: > org.apache.commons.logging.LogConfigurationException: Class > > >org.apache.commons.logging.impl.Log4JCategoryLog does not > implement Log > > > at > > > >org.apache.commons.logging.impl.LogFactoryImpl.getLogConstruc > tor(LogFactory > > >Impl.java:416) > > > ... 9 more > > > > > >I have log4j in WEB-INF/lib and commons-logging.jar in > WEB-INF/lib and also > > >in TOMCAT_HOME/server/lib. I am using tomcat 4.1.18, > struts 1.1b3 on Linux > > >2.4.7 and JDK 1.4.1. > > > > > >-- > > >Ceki > > > > > > > > > >--------------------------------------------------------------------- > > >To unsubscribe, e-mail: [EMAIL PROTECTED] > > >For additional commands, e-mail: > [EMAIL PROTECTED] > > > > > > > > > >This e-mail, including any attachments, is a confidential business > >communication, and may contain information that is confidential, > >proprietary and/or privileged. This e-mail is intended only for the > >individual(s) to whom it is addressed, and may not be saved, copied, > >printed, disclosed or used by anyone else. If you are not the(an) > >intended recipient, please immediately delete this e-mail from your > >computer system and notify the sender. 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