HDFS-4252. Merge 1415879 from branch-1 to branch-1.1

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.1@1415880 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -8,6 +8,9 @@ Release 1.1.2 - 2012.11.18
 
   IMPROVEMENTS
 
+    HDFS-4252. Improve confusing log message that prints exception when editlog 
+    read is completed. (Jing Zhao via suresh)
+
   BUG FIXES
 
     HDFS-3727. When using SPNEGO, NN should not try to log in using KSSL

src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java

@@ -584,6 +584,9 @@ public class FSEditLog {
             break; // no more transactions
           }
         } catch (EOFException e) {
+          LOG.info("EOF of " + edits.getName() + ", reached end of edit log "
+              + "Number of transactions found: " + numEdits + ".  "
+              + "Bytes read: " + tracker.getPos());
           break; // no more transactions
         }
         recentOpcodeOffsets[numEdits % recentOpcodeOffsets.length] =