[jira] [Commented] (YARN-6293) Investigate Java 7 compatibility for new YARN UI

["Li Lu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-6293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15898221#comment-15898221 ] 

Li Lu commented on YARN-6293:
-----------------------------

Actually I just directly changed the ui module's pom.xml. I changed the parent and the current module's version to 2.x. Right now the build passed. UI experts, does this hide any potential issues? Thanks! 

> Investigate Java 7 compatibility for new YARN UI
> ------------------------------------------------
>
>                 Key: YARN-6293
>                 URL: https://issues.apache.org/jira/browse/YARN-6293
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Li Lu
>
> Right now when trying the YARN new UI with Java 7, I can get the following warning:
> {code}
> [INFO] --- maven-enforcer-plugin:1.4.1:enforce (dist-enforce) @ hadoop-yarn-ui ---
> [WARNING] Rule 1: org.apache.maven.plugins.enforcer.RequireJavaVersion failed with message:
> Detected JDK Version: 1.7.0-67 is not in the allowed range [1.8,).
> {code}
> While right now this warning does not cause any troubles for trunk integration, when some users would like to package the new UI with some branch-2 based code, the JDK requirement would block the effort. So the question here is, is there any specific component in new UI codebase that prevent us using Java 7? I remember it should be a JS based implementation, right? 



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