 
        
                       
                               Please make sure Hadoop is built by passing -Pyarn-ui to Maven (reference to BUILDING.txt for more details)
In yarn-site.xml
| Configuration Property | Description | 
|---|---|
| yarn.webapp.ui2.enable | (Required) In the server side it indicates whether the new YARN-UI v2 is enabled or not. Defaults to false. | 
| yarn.webapp.ui2.war-file-path | (Optional) WAR file path for launching yarn UI2 web application. By default this is empty and YARN will lookup required war file from classpath | 
Please note that, If you run YARN daemons locally in your machine for test purpose, you need the following configurations added to yarn-site.xml to enable cross origin (CORS) support.
| Configuration Property | Value | Description | 
|---|---|---|
| yarn.timeline-service.http-cross-origin.enabled | true | Enable CORS support for Timeline Server | 
| yarn.resourcemanager.webapp.cross-origin.enabled | true | Enable CORS support for Resource Manager | 
| yarn.nodemanager.webapp.cross-origin.enabled | true | Enable CORS support for Node Manager | 
Also please ensure that CORS related configurations are enabled in core-site.xml. Kindly refer here
Open your browser, go to rm-address:8088/ui2 and try it!
This UI framework is verified under security environment as well.