[jira] [Commented] (KYLIN-2892) Make Kylin compile with Java 9

["Billy Liu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KYLIN-2892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16633000#comment-16633000 ] 

Billy Liu commented on KYLIN-2892:
----------------------------------

Since Hadoop 2.7.x is not compatible with Java 9+, Kylin has dependency with Hadoop 2.7.x. So have to postpone the JDK upgrade to 9. 

> Make Kylin compile with Java 9
> ------------------------------
>
>                 Key: KYLIN-2892
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2892
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Priority: Major
>
> When I attempted building with Java 9, I got:
> {code}
> [ERROR] Failed to execute goal on project kylin-engine-mr: Could not resolve dependencies for project org.apache.kylin:kylin-engine-mr:jar:2.2.0-SNAPSHOT: Could not find artifact jdk.tools:jdk.tools:jar:1.7 at specified path /jdk-9/../lib/tools.jar -> [Help 1]
> {code}
> The dependency seems to come from kylin-engine-mr module.



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