HBASE-2124 Useless exception in HMaster on startup

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@899441 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -163,6 +163,7 @@ Release 0.21.0 - Unreleased
                Purtell)
    HBASE-2122  [stargate] Initializing scanner column families doesn't work
                (Greg Lu via Andrew Purtell)
+   HBASE-2124  Useless exception in HMaster on startup
 
   IMPROVEMENTS
    HBASE-1760  Cleanup TODOs in HTable

src/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWrapper.java

@@ -374,6 +374,7 @@ public class ZooKeeperWrapper implements HConstants {
     try {
       return readAddressOrThrow(znode, watcher);
     } catch (IOException e) {
+      LOG.debug("Failed to read " + e.getMessage());
       return null;
     }
   }