chandrashekar bn [https://community.jboss.org/people/chandrashekar.bn] created the discussion "Re: moving from 7.0.1 to 7.1final , getting NoClassDefFoundError" To view the discussion, visit: https://community.jboss.org/message/743933#743933 -------------------------------------------------------------- Hi All, I am also getting similar error when i tryed moving my application from 7.0 AS to 7.1 AS, I tryed doing the work around which was given by Tanya Ruttenberg, but my bad that did not work for me. can anyone suggest still i am getting following error. Caused by: java.lang.ClassNotFoundException: javax.mail.internet.AddressException from [Module "org.apache.log4j:main" from local module loader @31b95f (roots: E:\JBOSSAS7\modules)]     at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)     at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)     at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456)     at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)     at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120) -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/743933#743933] Start a new discussion in JBoss AS 7 Development at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]