Hi All,
I have a Wicket-based project that is using Spring & Hibernate to persist
data. I have followed the
examples set out in the "Wicket in Action" book. That is:
1) Use the Open Session in View pattern to get a Hibernate session per
request -- I am using the
Spring OpenSessionInViewFilter filter class and
2) Use the Spring <tx:jta-transaction-manager /> and <tx:annotation-driven
/> tags to handle
transactions via the application server's transaction manager (in this
case, WebSphere);
methods are marked with the @Transactional where required.
Problem Scenario
a) I have a main WebPage that uses Hibernate to load an object graph. The
contents of the graph
are displayed using a list. Each item in the list includes a link.
Clicking a link causes an Adobe
PDF form to be displayed -- this is done by using a RequestTarget.
b) The user submits the Adobe PDF form. On submit, the form is posted to a
second processing WebPage.
c) The processing WebPage reloads the original object graph and modifies a
property based on
data posted from the Adobe PDF form.
The problem is that modifications to the object graph are not persisted to
the database even
though I assume Hibernate's automatic dirty checking would take care of it.
I am looking for help here as I am not sure if I have a Hibernate issue or a
Wicket/Spring one.
Any help will be gratefully received.
Thanks,
Steve
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