May be you are using DocumentDictionaryFactory because HighFrequencyDictionaryFactory will never return duplicate duplicate terms.
We also had same problem with *DocumentDictionaryFactory + AnalyzingInfixSuggester* We have created one service between UI and Solr which groups duplicate suggestions. and returns unique list to UI with only contains unique suggestions. ----- Nutch Solr User "The ultimate search engine would basically understand everything in the world, and it would always give you the right thing." -- View this message in context: http://lucene.472066.n3.nabble.com/multiple-but-identical-suggestions-in-autocomplete-tp4220055p4220727.html Sent from the Solr - User mailing list archive at Nabble.com.