YARN-5184. Fix up incompatible changes introduced on ContainerStatus and NodeReport. Contributed by Sangjin Lee.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ContainerStatus.java

@@ -122,9 +122,15 @@ public abstract class ContainerStatus {
    */
   @Public
   @Unstable
-  public abstract Resource getCapability();
+  public Resource getCapability() {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   @Private
   @Unstable
-  public abstract void setCapability(Resource capability);
+  public void setCapability(Resource capability) {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/NodeReport.java

@@ -203,12 +203,18 @@ public abstract class NodeReport {
    */
   @Public
   @Stable
-  public abstract ResourceUtilization getAggregatedContainersUtilization();
+  public ResourceUtilization getAggregatedContainersUtilization() {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   @Private
   @Unstable
-  public abstract void setAggregatedContainersUtilization(ResourceUtilization
+  public void setAggregatedContainersUtilization(ResourceUtilization
-      containersUtilization);
+      containersUtilization) {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   /**
    * Get node resource utilization
@@ -216,9 +222,15 @@ public abstract class NodeReport {
    */
   @Public
   @Stable
-  public abstract ResourceUtilization getNodeUtilization();
+  public ResourceUtilization getNodeUtilization() {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   @Private
   @Unstable
-  public abstract void setNodeUtilization(ResourceUtilization nodeUtilization);
+  public void setNodeUtilization(ResourceUtilization nodeUtilization) {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 }