[jira] [Resolved] (MPMD-304) maven-pmd-plugin should be toolchains-aware

["Andreas Dangel (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MPMD-304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Dangel resolved MPMD-304.
---------------------------------
    Resolution: Fixed

> maven-pmd-plugin should be toolchains-aware
> -------------------------------------------
>
>                 Key: MPMD-304
>                 URL: https://issues.apache.org/jira/browse/MPMD-304
>             Project: Maven PMD Plugin
>          Issue Type: Improvement
>          Components: CPD, PMD
>    Affects Versions: 3.13.0
>         Environment: maven 3.6.3
> JDK 1.8 (maven)
> JDK 11 (toolchains.xml)
>            Reporter: Ed Randall
>            Assignee: Andreas Dangel
>            Priority: Major
>             Fix For: 3.14.0
>
>
>  maven-pmd-plugin should be [toolchains-aware|https://maven.apache.org/guides/mini/guide-using-toolchains.html] and pick up the correct JDK used for compilation. If toolchains is in use, it should select that one, not use the same JDK that maven is running.
>   
>  We have an enterprise build system which runs maven under JDK 1.8.  Some projects target 1.8, others target 11.  The switch is handled using toolchains.xml.
>  PMD seemingly cannot cope with 11 code when maven is running under 1.8. We are forced to set `pmd.typeResolution=false` to avoid all sorts of strange errors (eg. 'unused private method' despite it being used 28 times in the same class).
>  We do have `targetJdk=11`.
> These false errors do not occur when maven itself runs under JDK 11, with `pmd.typeResolution=true`.



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