HBASE-4713 Raise debug level to warn on ExecutionException in HConnectionManager

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1196592 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -440,6 +440,8 @@ Release 0.92.0 - Unreleased
                (gaojinchao)
    HBASE-4708  Revert safemode related pieces of hbase-4510 (Harsh J)
    HBASE-3515  [replication] ReplicationSource can miss a log after RS comes out of GC
+   HBASE-4713  Raise debug level to warn on ExecutionException in
+               HConnectionManager$HConnectionImplementation (Lucian George Iordache)
 
   TESTS
    HBASE-4450  test for number of blocks read: to serve as baseline for expected

src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java

@@ -1489,7 +1489,7 @@ public class HConnectionManager {
               }
             }
           } catch (ExecutionException e) {
-            LOG.debug("Failed all from " + loc, e);
+            LOG.warn("Failed all from " + loc, e);
           }
         }