HDFS-7452. skip StandbyException log for getCorruptFiles() (Contributed by Bramha Reddy Battula)

(cherry picked from commit f313516731d787f6be64c9406ca83d941d47ee99)
(cherry picked from commit 3e76768f216772dbb7e1ec2e9055eed57f45fee9)

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

@@ -1787,6 +1787,9 @@ Release 2.8.0 - UNRELEASED
 
     HDFS-9839. Reduce verbosity of processReport logging. (Arpit Agarwal)
 
+    HDFS-7452. skip StandbyException log for getCorruptFiles()
+    (Bramha Reddy Battula via vinayakumarb)
+
 Release 2.7.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

@@ -6296,6 +6296,10 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
           list.add(c.toString());
         }
       }
+    } catch (StandbyException e) {
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Get corrupt file blocks returned error: " + e.getMessage());
+      }
     } catch (IOException e) {
       LOG.warn("Get corrupt file blocks returned error: " + e.getMessage());
     }