You need to remove the class="org.apache.solr.handler.component.CollapseComponent" from solrconfig.xml as it no longer exists.
With group.format=simple you get output looking more like the output you are used to. -- View this message in context: http://lucene.472066.n3.nabble.com/Which-patch-236-to-choose-for-collapse-Solr-3-5-tp3697685p3699595.html Sent from the Solr - User mailing list archive at Nabble.com.
