Index: src/java/org/apache/nutch/indexer/solr/SolrDeleteDuplicates.java
===================================================================
--- src/java/org/apache/nutch/indexer/solr/SolrDeleteDuplicates.java	(revision 1097410)
+++ src/java/org/apache/nutch/indexer/solr/SolrDeleteDuplicates.java	(working copy)
@@ -308,6 +308,7 @@
       if (numDeletes > 0) {
         LOG.info("SolrDeleteDuplicates: deleting " + numDeletes + " duplicates");
         updateRequest.process(solr);
+        solr.commit();
       }
     } catch (SolrServerException e) {
       throw new IOException(e);