YARN-6463. Correct spelling mistake in FileSystemRMStateStore. Contributed by Yeliang Cang.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java

@@ -785,7 +785,7 @@ public class FileSystemRMStateStore extends RMStateStore {
    * atomic for underlying file system.
    */
   protected void writeFile(Path outputPath, byte[] data, boolean
-          makeUnradableByAdmin) throws Exception {
+          makeUnreadableByAdmin) throws Exception {
     Path tempPath =
         new Path(outputPath.getParent(), outputPath.getName() + ".tmp");
     FSDataOutputStream fsOut = null;
@@ -793,7 +793,7 @@ public class FileSystemRMStateStore extends RMStateStore {
     // final status.
     try {
       fsOut = fs.create(tempPath, true);
-      if (makeUnradableByAdmin) {
+      if (makeUnreadableByAdmin) {
         setUnreadableBySuperuserXattrib(tempPath);
       }
       fsOut.write(data);
@@ -811,10 +811,10 @@ public class FileSystemRMStateStore extends RMStateStore {
    * atomic for underlying file system.
    */
   protected void updateFile(Path outputPath, byte[] data, boolean
-          makeUnradableByAdmin) throws Exception {
+          makeUnreadableByAdmin) throws Exception {
     Path newPath = new Path(outputPath.getParent(), outputPath.getName() + ".new");
     // use writeFileWithRetries to make sure .new file is created atomically
-    writeFileWithRetries(newPath, data, makeUnradableByAdmin);
+    writeFileWithRetries(newPath, data, makeUnreadableByAdmin);
     replaceFile(newPath, outputPath);
   }