[FLINK-17648][yarn] Make YarnApplicationClusterEntryPoint use the yarn.application-master.port

This closes #12109.

flink-yarn/src/main/java/org/apache/flink/yarn/entrypoint/YarnApplicationClusterEntryPoint.java

@@ -35,6 +35,7 @@ import org.apache.flink.runtime.util.JvmShutdownSafeguard;
 import org.apache.flink.runtime.util.SignalHandler;
 import org.apache.flink.util.FlinkException;
 import org.apache.flink.util.Preconditions;
+import org.apache.flink.yarn.configuration.YarnConfigOptions;
 
 import org.apache.hadoop.yarn.api.ApplicationConstants;
 
@@ -56,6 +57,11 @@ public final class YarnApplicationClusterEntryPoint extends ApplicationClusterEn
 		super(configuration, program, YarnResourceManagerFactory.getInstance());
 	}
 
+	@Override
+	protected String getRPCPortRange(Configuration configuration) {
+		return configuration.getString(YarnConfigOptions.APPLICATION_MASTER_PORT);
+	}
+
 	public static void main(final String[] args) {
 		// startup checks and logging
 		EnvironmentInformation.logEnvironmentInfo(LOG, YarnApplicationClusterEntryPoint.class.getSimpleName(), args);