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Posted to log4j-user@logging.apache.org by slideharmony <se...@tiscali.it> on 2008/02/01 14:42:17 UTC
exception on startup
Hello,
this is a newbie question!
when I start Tomcat I get the following exception:
Exception in thread "MultiThreadedHttpConnectionManager cleanup"
java.lang.NullPointerException
at org.apache.log4j.LogManager.getLogger(LogManager.java:188)
at org.apache.log4j.Logger.getLogger(Logger.java:104)
at
org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:229)
at
org.apache.commons.logging.impl.Log4JLogger.isDebugEnabled(Log4JLogger.java:239)
at
org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$ReferenceQueueThread.handleReference(MultiThreadedHttpConnectionManager.java:1063)
at
org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$ReferenceQueueThread.run(MultiThreadedHttpConnectionManager.java:1084)
anybody can help me?
I have put the log4j.xml file in WEB-INF/classes directory!
any help would be appreciated!
thanks
rmura
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Re: exception on startup
Posted by Jacob Kjome <ho...@visi.com>.
You say you get this when you start Tomcat? Looks to me like it's when it's
shutting down, given the "cleanup" in the message. Where do you have log4j.jar?
In WEB-INF/lib? What version of Tomcat? There were certain versions of Tomcat
that were particularly bad about mucking with classloaders and doing aggressive
cleanup leading to NullPointerExceptions. Try the latest one. I know it works
for me.
Jake
slideharmony wrote:
> Hello,
> this is a newbie question!
> when I start Tomcat I get the following exception:
>
> Exception in thread "MultiThreadedHttpConnectionManager cleanup"
> java.lang.NullPointerException
> at org.apache.log4j.LogManager.getLogger(LogManager.java:188)
> at org.apache.log4j.Logger.getLogger(Logger.java:104)
> at
> org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:229)
> at
> org.apache.commons.logging.impl.Log4JLogger.isDebugEnabled(Log4JLogger.java:239)
> at
> org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$ReferenceQueueThread.handleReference(MultiThreadedHttpConnectionManager.java:1063)
> at
> org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$ReferenceQueueThread.run(MultiThreadedHttpConnectionManager.java:1084)
>
>
> anybody can help me?
> I have put the log4j.xml file in WEB-INF/classes directory!
>
> any help would be appreciated!
> thanks
>
> rmura
>
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