Just a guess but it seems that auto phase generation and stop filter factory don't know of each other.
Here's the current field configuration: {code} <fieldType name="words_ngram" class="solr.TextField" omitNorms="false" autoGeneratePhraseQueries="true"> <analyzer type="index"> <tokenizer class="solr.PatternTokenizerFactory" pattern="[^\w]+" /> <filter class="solr.StopFilterFactory" words="url_stopwords.txt" ignoreCase="true" /> <filter class="solr.LowerCaseFilterFactory" /> <filter class="solr.EdgeNGramFilterFactory" minGramSize="2" maxGramSize="40" /> </analyzer> <analyzer type="query"> <tokenizer class="solr.PatternTokenizerFactory" pattern="[^\w]+" /> <filter class="solr.StopFilterFactory" words="url_stopwords.txt" ignoreCase="true" /> <filter class="solr.LowerCaseFilterFactory" /> </analyzer> </fieldType> {code} -- View this message in context: http://lucene.472066.n3.nabble.com/Help-with-StopFilterFactory-tp4153839p4154807.html Sent from the Solr - User mailing list archive at Nabble.com.