[jboss-dev-forums] [Design of JBoss Serialization] - log4j:WARN Please initialize the log4j system properly.

I am trying to solve the problem that is might be due to log4J. Please help me out. | | log4j:WARN No appenders could be found for logger (org.jboss.mq.referenceable.Sp | yConnectionFactoryObjectFactory). | log4j:WARN Please initialize the log4j system properly. | Exception in thread "main" java.lang.NoClassDefFoundError: EDU/oswego/cs/dl/util | /concurrent/ThreadFactory | at org.jboss.mq.SpyConnectionFactory.internalCreateConnection(SpyConnect | ionFactory.java:137) | at org.jboss.mq.SpyConnectionFactory.createTopicConnection(SpyConnection | Factory.java:118) | at com.ibm.readerApp.startup.StartupApplication.setupMessagingClient(Sta | rtupApplication.java:40) | at com.ibm.readerApp.startup.StartupApplication.<init>(StartupApplicatio | n.java:59) | at com.ibm.readerApp.startup.StartupApplication.main(StartupApplication. | java:69) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3961262#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...