YARN-6792. Incorrect XML convertion in NodeIDsInfo and LabelsToNodesInfo. Contributed by Giovanni Matteo Fumarola.

(cherry picked from commit 228ddaa31d812533b862576445494bc2cd8a2884)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/NodeIDsInfo.java

@@ -26,7 +26,10 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 
-@XmlRootElement(name = "labelsToNodesInfo")
+/**
+ * XML element uses to represent NodeIds' list.
+ */
+@XmlRootElement(name = "nodeIDsInfo")
 @XmlAccessorType(XmlAccessType.FIELD)
 public class NodeIDsInfo {
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/LabelsToNodesInfo.java

@@ -37,7 +37,11 @@ public class LabelsToNodesInfo {
   public LabelsToNodesInfo() {
   } // JAXB needs this
 
+  public LabelsToNodesInfo(Map<NodeLabelInfo, NodeIDsInfo> labelsToNodes) {
+    this.labelsToNodes = labelsToNodes;
+  }
+
   public Map<NodeLabelInfo, NodeIDsInfo> getLabelsToNodes() {
-   return labelsToNodes;
+    return labelsToNodes;
   }
 }