Index: src/java/org/apache/nutch/crawl/GeneratorMapper.java
===================================================================
--- src/java/org/apache/nutch/crawl/GeneratorMapper.java	(revision 1298365)
+++ src/java/org/apache/nutch/crawl/GeneratorMapper.java	(working copy)
@@ -50,6 +50,7 @@
       if (GeneratorJob.LOG.isDebugEnabled()) {
         GeneratorJob.LOG.debug("Skipping " + url + "; already generated");
       }
+      return;
     }
 
     // If filtering is on don't generate URLs that don't pass URLFilters