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I did find that class, but it's not being used within the Storefront app so you should be able to delete it. It was included due to me re-using a few example classes that are in the struts download and some extra ones were in the example but werent being used.

If you have the struts binary and source distribution (which you can get from the struts site), then you will probably have all of the source that wasn't included within my WAR file.

Sorry about the mistake.