HBASE-8367 LoadIncrementalHFiles does not return an error code nor throw Exception when failures occur due to timeouts (Brian Dougan)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1481988 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java

@@ -314,6 +314,11 @@ public class LoadIncrementalHFiles extends Configured implements Tool {
         LOG.error(err);
       }
     }
+    
+    if (queue != null && !queue.isEmpty()) {
+        throw new RuntimeException("Bulk load aborted with some files not yet loaded."
+          + "Please check log for more details.");
+    }
   }
 
   /**