[jira] [Commented] (MPOM-168) JDK 9 required updated to plugins

["Julian Hyde (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MPOM-168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16499125#comment-16499125 ] 

Julian Hyde commented on MPOM-168:
----------------------------------

+1 to fix this.

I believe the problems can occur even on JDK 8. We ran into this (described in CALCITE-2350). We could not shade Guava 21 or higher in JDK 8, 9 or 10. Guava 21 is built using target=8. Upgrading maven-shade-plugin to 3.0.0 or 3.1.1 fixed the problem.

> JDK 9 required updated to plugins
> ---------------------------------
>
>                 Key: MPOM-168
>                 URL: https://issues.apache.org/jira/browse/MPOM-168
>             Project: Maven POMs
>          Issue Type: Improvement
>          Components: asf
>    Affects Versions: ASF-19
>            Reporter: Karl Heinz Marbaise
>            Priority: Minor
>             Fix For: ASF-20
>
>
> The following plugins needed to be updated to work with JDK 9:
> * The maven-enforcer-plugin should be updated to final 3.0.0 release to make the pom working with JDK 9...
> * maven-shade-plugin should be upgraded to 3.0.0



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