SolrQuery query = getSolrQueryFactory().parseFieldQuery(fieldQuery, select);
long queryGeneration = System.currentTimeMillis();
QueryResponse response;
try {
StreamQueryRequest request = new StreamQueryRequest(query);
response = request.process(getServer());
} catch (SolrServerException e) {
if ("unknown handler: /mlt".equals(e.getCause().getMessage())) {
throw new YardException("Solr is missing '<requestHandler name=\"/mlt\""
+ " class=\"solr.MoreLikeThisHandler\" startup=\"lazy\" />'"
+ " in 'solrconfig.xml'", e);