docs/solr-core/conf/velocity/cluster.vm
<h2 #annTitle("Clusters generated by Carrot2 using the /clustering RequestHandler")>Clusters</h2>
<div id="clusters">
Run Solr with java -Dsolr.clustering.enabled=true -jar start.jar to see results
</div>
<script type="text/javascript">
$('#clusters').load("#url_for_solr/clustering#lens",
{'wt':'velocity', 'v.template':"clusterResults"});
</script>