I tried deploy dukes bank application as per step in startguide of jboss. But i start jboss i get errors

21:57:54,713 INFO [EARDeployer] Init J2EE application: file:/opt/jboss-4.0.3SP1/server/default/depl
oy/JBossDukesBank.ear
21:57:56,448 WARN [verifier] EJB spec violation:
Bean : CustomerBean
Section: 12.2.2
Warning: The class must be defined as public and must not be abstract.

21:57:56,457 WARN [verifier] EJB spec violation:
Bean : CustomerBean
Section: 12.2.5
Warning: Every entity bean must define the ejbFindByPrimaryKey method.

21:57:56,459 WARN [verifier] EJB spec violation:
Bean : CustomerBean
Section: 22.2
Warning: The bean provider must specify the fully-qualified name of the enterprise bean's local home
interface, if any, in the <local-home> element.
Info : Class not found on 'com.sun.ebank.ejb.customer.CustomerHome': No ClassLoaders found for: co
m.sun.ebank.ejb.customer.CustomerHome

21:57:56,461 WARN [verifier] EJB spec violation:
Bean : CustomerBean
Section: 22.2
Warning: The bean provider must specify the fully-qualified name of the enterprise bean's local inte
rface, if any, in the element.
Info : Class not found on 'com.sun.ebank.ejb.customer.Customer': No ClassLoaders found for: com.su
: