I found my problem! It was a bad custom EntityProcessor I wrote.
My EntityProcessor wasn't checking for hasNext() on the Iterator from my FileImportDataImportHandler, it was just returning next(). The second bug was that when the Iterator ran out of records it was returning an empty Map<String,Object> (it now returns null). -- View this message in context: http://lucene.472066.n3.nabble.com/Delta-import-processing-duration-tp987562p989425.html Sent from the Solr - User mailing list archive at Nabble.com.