[jira] [Commented] (MCOMPILER-413) Parameters does not work when only release is specified

["Jiri Kraml (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MCOMPILER-413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098979#comment-17098979 ] 

Jiri Kraml commented on MCOMPILER-413:
--------------------------------------

I'll try to get around to it soon

> Parameters does not work when only release is specified
> -------------------------------------------------------
>
>                 Key: MCOMPILER-413
>                 URL: https://issues.apache.org/jira/browse/MCOMPILER-413
>             Project: Maven Compiler Plugin
>          Issue Type: Bug
>    Affects Versions: 3.8.1
>         Environment: Arch Linux, OpenJDK 11.0.6.u10, Maven 3.6.3
>            Reporter: Jiri Kraml
>            Priority: Minor
>
> Compiling a project with the following maven-compiler-plugin configuration does not produce parameter name metadata in the class files:
> {{<{color:#0033b3}configuration{color}>}}
>  {{    <{color:#0033b3}release{color}>9</{color:#0033b3}release{color}>}}
>  {{    <{color:#0033b3}parameters{color}>true</{color:#0033b3}parameters{color}>}}
>  {{</{color:#0033b3}configuration{color}>}}
> I believe this is a mistake, because
>  {{javac --release 9 -parameters Test.java}} 
>  will produce the metadata.
> This behavior is due to dependency {{org.codehaus.plexus:plexus-compiler-javac:2.8.4}}, where in {{org.codehaus.plexus.compiler.javac.JavacCompiler}}, line 312, the function {{isPreJava18}} is called. This function does not evaluate the release property, only source and compilerVersion.
> Available workarounds in {{pom.xml}} are additionally specifying {{source}} or explicitly specifying the {{-parameters}} parameter in the plugin configuration.
>  



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