Since it's a hibernate exception, I believe that this should belong to the ORM forum. Another thing, please provide us with the code that caused the error, and the full stack trace.
When this is moved, can you post your mappings, it seems to connect to Oracle. It looks like it is trying to update a tutorials table, but that table doesn't exist in your database.
Also this what error is there in my catalina.log file...
Oct 15, 2008 12:08:13 PM org.apache.catalina.core.NamingContextListener addResource WARNING: Failed to register in JMX: javax.naming.NamingException: Could not load resource factory class [Root exception is java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSourceFactory]
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