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If you ever have to print a document from a Ruby app you might want to consider using JRuby to access the Java Printing API.Here is a small example accessing the API, looking up the printers and printing out their names to the console: The output looks like this: Anzahl der Drucker: 1HP Photosmart 8000 series

If you encounter an error like: org.hibernate.HibernateException: No CurrentSessionContext configured! you probably want to add this line to your hibernate.cfg.xml <property name=”hibernate.current_session_context_class”>thread</property>