Disable Google App Engine in your eclipse settings, and remove all GAE jars from your classpath.
GAE doesn't allow you to open socket connections, which is exactly what hibernate is trying to do before it fails. --Sri On 26 June 2010 01:15, Ruben <[email protected]> wrote: > Hi, > > I am running in a NoClassDeffFoundError after clicking a button in my > very basic app. I modified the standard app in Eclipse just a little > bit by adding 1 service method: > > 1. Created a new GWT project in Eclipse. This gets me the standard > Greeting Service example app - app works > 2. I created a User class, which is just a POJO - app works > 3. Added a HibernateUtil class for access to Hibernate - app works > 4. Added Hibernate JAR to the build path in Eclipse - app works > 5. Modified the GreetingServiceImpl by importing > org.hibernate.session, HibernateUtil and User - app works > 5. Added the following getUser method to the GreetingServiceImpl - app > breaks! > > // Retrieves a user from Hibernate > public User getUser(int userId){ > Session session = > HibernateUtil.getSessionFactory().getCurrentSession(); > session.beginTransaction(); > // Get the User from Hibernate > User user = (User) session.get(User.class, userId); > // TODO Translate user to a serializable data transfer object before > returning > return new User(); > } > > Whenever I press the Send button in the Greeting Service app I get the > following stacktrace in the Eclipse console: > > WARNING: Error for /test/greet > java.lang.NoClassDefFoundError: org/hibernate/Session > at java.lang.Class.getDeclaredConstructors0(Native Method) > at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) > at java.lang.Class.getConstructor0(Class.java:2699) > at java.lang.Class.newInstance0(Class.java:326) > at java.lang.Class.newInstance(Class.java:308) > at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153) > > > Do you know why this happens? The getUser() method that seems to be > responsible is not even called. And I imported the > org.hibernate.Session class and it's on the Eclipse build bath. > > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-web-toolkit%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
