Update NameNodeResourceChecker.java

Author: Likkey

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

@@ -174,13 +174,13 @@ private void addDirToCheck(URI directoryToCheck, boolean required)
    *         otherwise.
    */
   public boolean hasAvailableDiskSpace() {
-    try{
+    try {
       if (minimumRedundantVolumes > volumes.size()){
         throw new IllegalArgumentException(DFSConfigKeys.DFS_NAMENODE_CHECKED_VOLUMES_MINIMUM_KEY +
         " is " + minimumRedundantVolumes +
         " which is greater than the total number of existing storage volumes " + volumes.size());
       }
-    }catch(IllegalArgumentException e){
+    } catch (IllegalArgumentException e){
       LOG.warn(DFSConfigKeys.DFS_NAMENODE_CHECKED_VOLUMES_MINIMUM_KEY +
       " is greater than the total number of existing storage volumes" +
       " and will result in adding resources and still not being able to turn off safe mode.", e);