Index: src/java/org/apache/nutch/crawl/Generator.java
===================================================================
--- src/java/org/apache/nutch/crawl/Generator.java      (revision 549414)
+++ src/java/org/apache/nutch/crawl/Generator.java      (working copy)
@@ -422,7 +422,16 @@

     // check that we selected at least some entries ...
     SequenceFile.Reader[] readers = SequenceFileOutputFormat.getReaders(job, tempDir);
-    if (readers == null || readers.length == 0 || !readers[0].next(new FloatWritable())) {
+    boolean empty = true;
+    if (readers != null && readers.length > 0) {
+       for (int num=0; num<readers.length; num++) {
+           if (readers[num].next(new FloatWritable())) {
+               empty = false;
+               break;
+           }
+       }
+    }
+    if (empty) {
       LOG.warn("Generator: 0 records selected for fetching, exiting ...");
       LockUtil.removeLockFile(fs, lock);
       fs.delete(tempDir);