fixed

apache · Sep 23, 2022 · b8d0d52 · b8d0d52
1 parent f28c025
commit b8d0d52
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java
@@ -709,7 +709,15 @@ static Map<String, Object> toJsonMap(
 
   public static String toJsonString(BlockLocation[] locations)
       throws IOException {
-    final Map<String, Object> m = toJsonMap(locations);
+    if (locations == null) {
+      return null;
+    }
+    final Map<String, Object> m = new HashMap<>();
+    Object[] blockLocations = new Object[locations.length];
+    for(int i=0; i<locations.length; i++) {
+      blockLocations[i] = toJsonMap(locations[i]);
+    }
+    m.put(BlockLocation.class.getSimpleName(), blockLocations);
     return toJsonString("BlockLocations", m);
   }