Describe the issue: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.aop.framework.AopConfigException: Could not generate CGLIB subclass of class [class org.jboss.seam.example.spring.UserService]: Common causes of this problem include using a final class or a non-visible class; nested exception is net.sf.cglib.core.CodeGenerationException: java.lang.reflect.InvocationTargetException-->null root cause is java.lang.SecurityException: class "org.jboss.seam.example.spring.UserService$$EnhancerByCGLIB$$e4518db2"'s signer information does not match signer information of other classes in the same package How reproducible: deploy example spring on EAP 6.1 and try to log in with default demo/demo. Version: seam 2.3.1 Final examples in WFK 2.3.0 ER1 tested in JBDS 7.0.0. Beta 2 on EAP 6.1