It only becomes:
Caused by: java.lang.ClassCastException: org.hibernate.dialect.MySQL5Dialect cannot be cast to org.hibernate.dialect.Dialect We haven playing with those JARs as there may be incompatibilities (JPA 1 vs 2) I think. Currently we do *not *reference them (hibernate-jpa-2.0-api, hibernate-validator and validation-api). Could it be a class loading issue? I see the following in log with JPA setup being disabled (that's when Jetty starts normally): JspRuntimeContext - Parent class loader is: ContextLoader@null Thanks Juan! -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/cXtHXc6B_MkJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.