Hi
I am trying for a sample using GWT and database layer as Hibernate
with Oracle on Google Aps server.
I have done a sample for Hibernate with JSP as presentation layer,
which is working fine.
But the same approach is not working with GWT.
Here is a verygood link on this topic
http://code.google.com/webtoolkit/articles/using_gwt_with_hibernate.html
and my approach is almost similar.
I have followed the below approach,
The RemoteServiceServlet makes a call to Hibernate layer and tries the
initializes the SessionFactory as below,
sessionFactory = new
Configuration().configure().buildSessionFactory();
I have added the jars necessary for the Hibernate layer (and
classes12.jar for oracle driver).
However while running , it is giving me an error as below,
--------------------------------------------------------------------------------------------------------
Initial SessionFactory creation failed.java.lang.NoClassDefFoundError:
java.net.Socket is a restricted class. Please see the Google App
Engine developer's guide for more details.
[ERROR] javax.servlet.ServletContext log: Exception while dispatching
incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract java.lang.Long
com.google.musicstore.client.MusicStoreService.saveAccount(com.google.musicstore.client.dto.AccountDTO)'
threw an unexpected exception: java.lang.ExceptionInInitializerError
at
com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:
378)
--------------------------------------------------------------------------------------------------------
I have one through some of the threads which suggested me to download
the google apps jar files and try it. I have downladed it. but there
is no proper direction on how to make use of which jar file.
Have anybody tried the same. Please let me know if anything I am doing
wrong.
*** Note that I am using Oracle 9.2 as local database.
Thanks
Dev
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