I'm getting the following error when starting my app-server (4.0.2).  It 
happens when calling java.util.logging.LogManager.exists("mylogger");  What's 
strange is that it only happens on Linux...on WinXP it starts fine.  And after 
the error, everything works fine - my logging with log4j works fine.


19:37:01,002 INFO  [TomcatDeployer] deploy, ctxPath=/Chat, 
warUrl=file:/opt/jboss-4.0.2/server/minimal/tmp/deploy/tmp53096Chat.war/
19:37:01,813 INFO  [STDOUT] log4j:ERROR A 
"org.jboss.logging.util.OnlyOnceErrorHandler" object is not assignable to a 
"org.apache.log4j.spi.ErrorHandler" variable.
19:37:01,814 INFO  [STDOUT] log4j:ERROR The class 
"org.apache.log4j.spi.ErrorHandler" was loaded by
19:37:01,815 INFO  [STDOUT] log4j:ERROR [WebappClassLoader
  delegate: false
  repositories:
    /WEB-INF/classes/
----------> Parent Classloader:
[EMAIL PROTECTED]
] whereas object of type
19:37:01,816 INFO  [STDOUT] log4j:ERROR 
"org.jboss.logging.util.OnlyOnceErrorHandler" was loaded by [EMAIL PROTECTED]
19:37:01,854 INFO  [STDOUT] log4j:ERROR Could not create an Appender. Reported 
error follows.
19:37:01,855 INFO  [STDOUT] java.lang.ClassCastException
19:37:01,857 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.parseAppender(DOMConfigurator.java:165)
19:37:01,858 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.findAppenderByName(DOMConfigurator.java:140)
19:37:01,859 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.findAppenderByReference(DOMConfigurator.java:153)
19:37:01,860 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.parseChildrenOfLoggerElement(DOMConfigurator.java:415)
19:37:01,860 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.parseRoot(DOMConfigurator.java:384)
19:37:01,861 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.parse(DOMConfigurator.java:783)
19:37:01,862 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:666)
19:37:01,862 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:616)
19:37:01,863 INFO  [STDOUT]     at 
org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:602)
19:37:01,864 INFO  [STDOUT]     at 
org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:460)
19:37:01,865 INFO  [STDOUT]     at 
org.apache.log4j.LogManager.(LogManager.java:113)



The stack trace is actually quite a bit longer, but the next line in the stack 
trace is where I'm calling LogManager.exists("mylogger");

Any ideas what's wrong?

Thanks.



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