When I run the security tutorial, it exits with the following exception:

run:
[java] Kabir is a student.
[java] Kabir types in the wrong password
[java] log4j:WARN No appenders could be found for logger (org.jboss.remoting.Client).
[java] log4j:WARN Please initialize the log4j system properly.
[java] Exception in thread "main" javax.ejb.EJBAccessException: Authentication failure; CausedByException is:
[java] Password Incorrect/Password Required
[java] at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.handleGeneralSecurityException(Ejb3AuthenticationInterceptor.java:29)