unexpected exception: java.lang.NoClassDefFoundError: org/apache/log4j/LogManager

Question

I\'m developing a GWT application. It\'s using RPC to collect information from an internal system. It does so by using a library jar, lets call it alpha.jar. We are using th

Answer 1

If you have use log4j 2 please do not forget to name your log4j2.xml instead of log4j.xml