[jira] [Closed] (MNG-7261) help:evaluate throws serious warnings

["Michael Osipov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MNG-7261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Osipov closed MNG-7261.
-------------------------------
    Resolution: Not A Problem

> help:evaluate throws serious warnings
> -------------------------------------
>
>                 Key: MNG-7261
>                 URL: https://issues.apache.org/jira/browse/MNG-7261
>             Project: Maven
>          Issue Type: Bug
>          Components: Command Line
>    Affects Versions: 3.8.2
>            Reporter: Alan Czajkowski
>            Priority: Major
>              Labels: help
>
> h2. Problem
> *{{mvn help:evaluate}}* throws serious warnings:
> {code:sh}
> $ mvn help:evaluate -Dexpression=project.modules --quiet -DforceStdout
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by com.thoughtworks.xstream.core.util.Fields (file:/Users/alan/.m2/repository/com/thoughtworks/xstream/xstream/1.4.11.1/xstream-1.4.11.1.jar) to field java.util.TreeMap.comparator
> WARNING: Please consider reporting this to the maintainers of com.thoughtworks.xstream.core.util.Fields
> WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
> WARNING: All illegal access operations will be denied in a future release
> <strings>
>   <string>child-1</string>
>   <string>child-2</string>
>   <string>child-3</string>
> </strings>
> {code}
> h2. Background
> Maven & JDK version:
> {code:sh}
> $ mvn -v
> Apache Maven 3.8.2 (ea98e05a04480131370aa0c110b8c54cf726c06f)
> Maven home: /usr/local/Cellar/maven/3.8.2/libexec
> Java version: 11.0.12, vendor: Amazon.com Inc., runtime: /Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk/Contents/Home
> Default locale: en_CA, platform encoding: UTF-8
> OS name: "mac os x", version: "10.14.6", arch: "x86_64", family: "mac"
> {code}
> Create a multi-module project similar to:
> {code:xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
>   <modelVersion>4.0.0</modelVersion>
>   <groupId>com.example</groupId>
>   <artifactId>parent</artifactId>
>   <version>1.0.0-SNAPSHOT</version>
>   <packaging>pom</packaging>
>   <name>Example - Parent</name>
>   <description>${project.name}</description>
>   <modules>
>     <module>child-1</module>
>     <module>child-2</module>
>     <module>child-3</module>
>   </modules>
>   ...
> {code}



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