title: classloading in JBOSS
body: <p>If we have a A.jar that contains B.class and this file is located in JBOSS/server/default/lib and WEB-INF/lib of an EAR file.
  We have  java2ParentDelegation is turned off.
  if we want to load the B.class which one will be loaded?</p>
  
  <p>what if java2ParentDelegation is turned on?</p>