You should also check your dependencies using the maven dependency plugin.
Are there conflicting slf4j-log4j12 versions in there? Are there conflicting
log4j versions?

On Thu, May 14, 2009 at 9:54 PM, fachhoch <fachh...@gmail.com> wrote:

>
> I using log4j.xml
>
> http://www.nabble.com/file/p23547818/log4j.xml log4j.xml   attached is my
> log4j.xml
>
> James Carman-3 wrote:
> >
> > Can we see your log4j.properties file?
> >
> > On Thu, May 14, 2009 at 3:39 PM, tubin gen <fachh...@gmail.com> wrote:
> >> bean wicketApplication'  is my web-application's
> >> org.apache.wicket.Application
> >>
> >> this is the error message I get   starting my application
> >>
> >> org.springframework.beans.factory.BeanCreationException: Error creating
> >> bean
> >> with name 'wicketApplication' defined in class path resource
> >> [applicationContext-web.xml]: Instantiation of bean failed; nested
> >> exception
> >> is java.lang.NoSuchFieldError: name
> >>
> >> root cause
> >>
> >> Caused by: java.lang.NoSuchFieldError: name
> >>    at
> >> org.slf4j.impl.Log4jLoggerAdapter.<init>(Log4jLoggerAdapter.java:75)
> >>    at
> >> org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:75)
> >>    at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:103)
> >>    at org.apache.wicket.Application.<clinit>(Application.java:143)
> >>    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> >> Method)
> >>    at
> >>
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> >>    at
> >>
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> >>    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> >>    at
> >> org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:100)
> >>    at
> >>
> org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:61)
> >>    at
> >>
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:877)
> >>
> >> please suggest  what am I  missing ,
> >>
> >> My project is   built by maven   and this is a project   with
> >> sub-projects
> >> jar,war,  and ear and its uses spring , hibernate , and wicket 1.4,
> >>
> >> I specified the dependency   for org.slf4j
> >>
> >>     <dependency>
> >>        <groupId>org.slf4j</groupId>
> >>        <artifactId>slf4j-log4j12</artifactId>
> >>        <version>1.5.5</version>
> >>    </dependency>
> >> please suggest  what version should I use ?
> >>
> >
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> >
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