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https://issues.apache.org/jira/browse/MENFORCER-288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elliotte Rusty Harold closed MENFORCER-288.
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> RequireJavaVersion: Support new Java 9 versioning schema even for older Java
> versions
> -------------------------------------------------------------------------------------
>
> Key: MENFORCER-288
> URL: https://issues.apache.org/jira/browse/MENFORCER-288
> Project: Maven Enforcer Plugin
> Issue Type: Improvement
> Components: Standard Rules
> Affects Versions: 3.0.0-M1
> Reporter: Konrad Windszus
> Assignee: Elliotte Rusty Harold
> Priority: Minor
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Although with MENFORCER-274 it is now possible to specify
> {code}
> <requireJavaVersion>
> <version>9</version>
> </requireJavaVersion>
> {code}
> it is still not possible to refer to older java versions without the
> leadering {{1.}}.
> So e.g. this one does not work
> {code}
> <requireJavaVersion>
> <version>6</version>
> </requireJavaVersion>
> {code}
> This would be very handy as with JDK 9 you specify e.g. release only without
> the preceeding {{1.}} (compare with
> https://docs.oracle.com/javase/9/tools/javac.htm#GUID-AEEC9F07-CB49-4E96-8BC7-BCC2C7F725C9__GUID-D343F6B4-3FDD-43A8-AD24-43DD70214471).
> As it is very common to reuse the same Maven property value for enforcing
> the minimum java version with the {{maven-enforcer-plugin}} as well as for
> specifying the release/source/target of the {{maven-compiler-plugin}} it
> would be nice, if both support the same version range.
> To still be backwards compatible I would suggest that in case of 6,7,8 given
> as a value, the {{1.}} is implicitly prepended by the
> {{maven-enforcer-plugin}}.
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