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From Prathib Kumar <prathibt...@yahoo.co.in>
Subject Re: Clashing between two different versions of log4j.
Date Fri, 24 Aug 2007 18:22:00 GMT
Hi Ceki,

Thanks for ur reply.

basically we have 3 different applications and each is using different versions of log4j.
rest 2 applications are using log4j1.1.3, So they dont have a problem but our application
is using 1.2.13.

But is this exception is expected ?

Prathib Kumar

Ceki Gulcu <listid@qos.ch> wrote: Hello Kumar,

Since you have partially identifier the problem, couldn't you just use the same 
version of log4j?

Prathib Kumar wrote:
> Hi, 
> I m using Tomcat 5.5 and my web application uses 2 different versions(1.1.3 & 1.2.13)
 of log4j. I have placed one log4j under shared/lib folder and other inside the web application(tomcat/webapps/myapp/lib).

> When I use the RollingFile Appender is used, It is throwing the following Exception.
> log4j:WARN Failed to set property [file] to value "..\..\log\lmsportal.log". 
> java.lang.IllegalArgumentException: object is not an instance of declaring class
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:585)
>     at org.apache.log4j.config.PropertySetter.setProperty(PropertySetter.java:205)
>     at org.apache.log4j.config.PropertySetter.setProperty(PropertySetter.java:164)
>     at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:129)
>     at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:96)
>     at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:654)
> Could you please someone tell me how to fix this issue ?
> Regards
> Prathib Kumar

Ceki Gülcü
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