: Thanks! Removing the entry in the config file fixed it. : Could please explain to me what the property does exactly? It is not clear : to me.
I've never had much of a chacne to write really good docs on the DisMaxRequestHandler (anyone want to voluneet?) ... BUT! "mm" is one of the few options that does have fairly detailed docs... As the DisMaxRequestHandler wiki page notes: "...the DisMax Request Handler supports several other options which can be found in the DisMaxRequestHandler javadocs." Following the link we see a summary list of all the params, with this description for "mm" ... mm - (Minimum Match) this supports a wide variety of complex expressions. read SolrPluginUtils.setMinShouldMatch and mm expression format for details. where "mm expression format" is a link to... http://lucene.apache.org/solr/api/org/apache/solr/util/doc-files/min-should-match.html http://wiki.apache.org/solr/DisMaxRequestHandler http://lucene.apache.org/solr/api/org/apache/solr/handler/DisMaxRequestHandler.html -Hoss