I know it is obvious, but ... have you done a full re-indexing or you used the Index migration tool ? In the latter case, it could be a bug of the tool itself.
----- --------------- Alessandro Benedetti Search Consultant, R&D Software Engineer, Director Sease Ltd. - www.sease.io -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html