Ok, thanks for the question as it would seem that I have found the answer. Changing to a string field type fixes the problem. As we do not search over the chapterTitle field this is no loss.
Thanks again for pointing me in the right direction -- View this message in context: http://www.nabble.com/Sort-results-on-a-field-not-ordered-tp17013905p17019288.html Sent from the Solr - User mailing list archive at Nabble.com.
