HDFS-3454. Balancer unconditionally logs InterruptedException at INFO level on shutdown if security is enabled. Contributed by Eli Collins

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1341928 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -54,6 +54,9 @@ Release 2.0.1-alpha - UNRELEASED
     ClassCastException check is useless since generic type information is only
     available in compile-time.  (szetszwo)
 
+    HDFS-3454. Balancer unconditionally logs InterruptedException at
+    INFO level on shutdown if security is enabled. (eli)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/NameNodeConnector.java

@@ -200,7 +200,7 @@ class NameNodeConnector {
           Thread.sleep(keyUpdaterInterval);
         }
       } catch (InterruptedException e) {
-        LOG.info("InterruptedException in block key updater thread", e);
+        LOG.debug("InterruptedException in block key updater thread", e);
       } catch (Throwable e) {
         LOG.error("Exception in block key updater thread", e);
         shouldRun = false;