No console do eclipse
SEVERE: Error configuring application listener of class [org.jboss.weld.environment.servlet.Listener]
java.lang.ClassNotFoundException: org.jboss.weld.environment.servlet.Listener
http://localhost:8080/livraria/login.xhtml
HTTP Status 404 – Não Encontrado
Type Status Report
Message The requested resource [/livraria/login.xhtml] is not available
Description The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.Como resolver?