Resource: bean/Product.hbm.xml not found

org.hibernate.MappingException: Resource: bean/Product.hbm.xml not found
at org.hibernate.cfg.Configuration.addResource(Configuration.java:479)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1465)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1433)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1414)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1390)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1310)
at util.HibernateSessionFactory.<clinit>(HibernateSessionFactory.java:19)
Could not read mappings from resource: bean/Customer.hbm.xml
org.hibernate.MappingException: Could not read mappings from resource: bean/Customer.hbm.xml
at org.hibernate.cfg.Configuration.addResource(Configuration.java:485)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1465)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1433)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1414)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1390)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1310)
at util.HibernateSessionFactory.rebuildSessionFsactory(HibernateSessionFactory.java:46)
at util.HibernateSessionFactory.getSession(HibernateSessionFactory.java:34)
at util.HibernateSessionFactory.main(HibernateSessionFactory.java:79)
Caused by: org.hibernate.DuplicateMappingException: Duplicate class/entity mapping bean.Customer
at org.hibernate.cfg.Mappings.addClass(Mappings.java:118)
at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:154)
at org.hibernate.cfg.Configuration.add(Configuration.java:386)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:427)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:482)
... 8 more