When trying to log into the Hibernate2 booking example (on tomcat 5.5), I get this:
SEVERE: Error invoking login method
javax.el.ELException: java.lang.reflect.InvocationTargetException
at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:332)
...
... 67 more
Caused by: java.lang.NoClassDefFoundError: antlr/ANTLRException
at org.hibernate.hql.ast.ASTQueryTranslatorFactory.createQueryTranslator(ASTQueryTranslatorFactory.java:35)
at
...
at org.jboss.seam.persistence.HibernateSessionProxy.createQuery(HibernateSessionProxy.java:118)
at org.jboss.seam.example.hibernate.AuthenticatorAction.authenticate(AuthenticatorAction.java:22)
... 89 more