[slf4j-user] SLF4j and Log4j on WebSphere 8.5 - What is correct configuration?

[Rishi Madan]

Try adding it as shared library


On Mon, Jul 7, 2014 at 2:24 PM, tekman <tekvisle at hotmail.com> wrote:

> What's the correct way to configure slf4j + log4j on WebSphere 8.5. My
> approach was:
> * Include slf4j-api in WEB-INF\lib of the war files of the applications
> * Include the binding ja slf4j-log4j in WebSphere lib
> * Include log4j.xml in JVM classpath external to the war file.
>
> Only problem is that it doesn't work. It fails with an error on
> initializing. Guess my approach is wrong?
>
> Thanks for any assistance!
>
> Here's the stack trace. Note that slfj-api is found in WEB-INF\lib of the
> WAR file:
> Caused by: java.lang.NoClassDefFoundError:
> org.slf4j.spi.LoggerFactoryBinder
>         at java.lang.ClassLoader.defineClassImpl(Native Method)
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:295)
>         at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:154)
>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:711)
>         at java.net.URLClassLoader.access$400(URLClassLoader.java:92)
>         at
> java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1159)
>         at
> java.security.AccessController.doPrivileged(AccessController.java:314)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:594)
>         at
> com.ibm.ws.bootstrap.ExtClassLoader.findClass(ExtClassLoader.java:204)
>         at
> com.ibm.ws.bootstrap.ExtClassLoader.loadClass(ExtClassLoader.java:116)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:690)
>         at
>
> com.ibm.ws.classloader.ProtectionClassLoader.loadClass(ProtectionClassLoader.java:62)
>         at
>
> com.ibm.ws.classloader.ProtectionClassLoader.loadClass(ProtectionClassLoader.java:58)
>         at
>
> com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:616)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:690)
>         at
>
> com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:584)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:690)
>         at
>
> com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:584)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:690)
>         at org.slf4j.LoggerFactory.bind(LoggerFactory.java:121)
>         at
> org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:111)
>         at
> org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:268)
>         at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:241)
>         at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:254)
>         at
>
> no.klp.minside.handler.SoapLoggingHandler.<clinit>(SoapLoggingHandler.java:28)
>         at java.lang.J9VMInternals.initializeImpl(Native Method)
>         at java.lang.J9VMInternals.initialize(J9VMInternals.java:236)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
>
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:80)
>         at
>
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:57)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:539)
>         at
> org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
>         at
>
> org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:110)
>         at
>
> org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:280)
>         ... 113 more
> Caused by: java.lang.ClassNotFoundException:
> org.slf4j.spi.LoggerFactoryBinder
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:599)
>         at
> com.ibm.ws.bootstrap.ExtClassLoader.findClass(ExtClassLoader.java:204)
>         at
> com.ibm.ws.bootstrap.ExtClassLoader.loadClass(ExtClassLoader.java:116)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:690)
>         ... 147 more
>
>
>
> --
> View this message in context:
> http://slf4j.42922.n3.nabble.com/SLF4j-and-Log4j-on-WebSphere-8-5-What-is-correct-configuration-tp4025748.html
> Sent from the slf4j - user mailing list archive at Nabble.com.
> _______________________________________________
> slf4j-user mailing list
> slf4j-user at qos.ch
> http://mailman.qos.ch/mailman/listinfo/slf4j-user
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qos.ch/pipermail/slf4j-user/attachments/20140707/62f5a659/attachment.html>