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log4j:ERROR RollingFileAppender not assignable  RSS feed

Theo van Loon
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Hello all,

i configured log4j in tomcat 5.0.28 for internal server logging, but however is receive the following error message in the console :

log4j:ERROR A "org.apache.log4j.RollingFileAppender" object is not assignable to a "org.apache.log4j.Appender" variable.

I have the properties file in the folder :

i have the following jars in the ..\jakarta-tomcat-5.0.28\common\lib :
* commons-logging.jar
* log4j-1.2.9.jar

My configuration file looks like this :

log4j.rootCategory=WARN, R
log4j.appender.R.layout.ConversionPattern=%d{dd MMM yyyy HH:mm:ss,SSS} %p %t %c - %m%n[Catalina].[localhost]=ERRO R, R

What could be the problem?

Thanks a lot!!
It is sorta covered in the JavaRanch Style Guide.
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