YARN-9381. The yarn-default.xml has two identical property named yarn.timeline-service.http-cross-origin.enabled. Contributed by Abhishek Modi.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml

@@ -3603,17 +3603,6 @@
     <value>64</value>
   </property>
 
-  <property>
-    <description>
-      Flag to enable cross-origin (CORS) support for timeline service v1.x or
-      Timeline Reader in timeline service v2. For timeline service v2, also add
-      org.apache.hadoop.security.HttpCrossOriginFilterInitializer to the
-      configuration hadoop.http.filter.initializers in core-site.xml.
-    </description>
-    <name>yarn.timeline-service.http-cross-origin.enabled</name>
-    <value>false</value>
-  </property>
- 
   <property>
     <description>
       Flag to enable cross-origin (CORS) support for timeline service v1.x or