I got this a few days ago - running 'ant clean' before building cleared it up.
On 2 Nov 2012, at 12:10, eksdev wrote: > debugQuery=true on on simple TermQuery (/trunk version from yesterday) throws > exception on explain() > It seams some of the scorers do not play nicely with explain()? > > java.lang.NoSuchMethodError: org.apache.lucene.search.Scorer.freq()F\n\tat > org.apache.lucene.search.TermQuery$TermWeight.explain(TermQuery.java:119)\n\tat > > org.apache.lucene.search.IndexSearcher.explain(IndexSearcher.java:636)\n\tat > org.apache.lucene.search.IndexSearcher.explain(IndexSearcher.java:616)\n\tat > org.apache.solr.search.SolrIndexSearcher.explain(SolrIndexSearcher.java:1949)\n\tat > > org.apache.solr.util.SolrPluginUtils.getExplanations(SolrPluginUtils.java:352)\n\tat > >