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

@@ -85,11 +85,17 @@ public abstract class ContainerStatus {
    */
   @Public
   @Evolving
-  public abstract ExecutionType getExecutionType();
+  public ExecutionType getExecutionType() {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   @Private
   @Unstable
-  public abstract void setExecutionType(ExecutionType executionType);
+  public void setExecutionType(ExecutionType executionType) {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   /**
    * Get the <code>ContainerState</code> of the container.
@@ -148,11 +154,17 @@ 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");
+  }
 
   /**
    * Get all the IP addresses with which the container run.
@@ -160,11 +172,17 @@ public abstract class ContainerStatus {
    */
   @Public
   @Unstable
-  public abstract List<String> getIPs();
+  public List<String> getIPs() {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   @Private
   @Unstable
-  public abstract void setIPs(List<String> ips);
+  public void setIPs(List<String> ips) {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   /**
    * Get the hostname where the container runs.
@@ -172,9 +190,15 @@ public abstract class ContainerStatus {
    */
   @Public
   @Unstable
-  public abstract String getHost();
+  public String getHost() {
+    throw new UnsupportedOperationException(
+        "subclass must implement this method");
+  }
 
   @Private
   @Unstable
-  public abstract void setHost(String host);
+  public void setHost(String host) {
+    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