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