[jira] [Commented] (MENFORCER-275) Enforcer plugin breaks with JDK 9

["Ismaël Mejía (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MENFORCER-275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16066710#comment-16066710 ] 

Ismaël Mejía commented on MENFORCER-275:
----------------------------------------

This is the trace of the result of the enforcer-plugin info.
{code}Execution default-cli of goal org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:display-info failed: An API incompatibility was encountered while executing org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:display-info: java.lang.ExceptionInInitializerError: null
[ERROR] -----------------------------------------------------
[ERROR] realm =    plugin>org.apache.maven.plugins:maven-enforcer-plugin:1.4.1
[ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
[ERROR] urls[0] = file:/home/ismael/.m2/repository/org/apache/maven/plugins/maven-enforcer-plugin/1.4.1/maven-enforcer-plugin-1.4.1.jar
[ERROR] urls[1] = file:/home/ismael/.m2/repository/org/codehaus/mojo/extra-enforcer-rules/1.0-beta-6/extra-enforcer-rules-1.0-beta-6.jar
{code}

> Enforcer plugin breaks with JDK 9
> ---------------------------------
>
>                 Key: MENFORCER-275
>                 URL: https://issues.apache.org/jira/browse/MENFORCER-275
>             Project: Maven Enforcer Plugin
>          Issue Type: Bug
>          Components: Plugin
>    Affects Versions: 1.4.1
>            Reporter: Ismaël Mejía
>
> I am trying to move Apache Beam to Java 9. I found that the enforcer plugin was not working as expected. A simple execution of mvn enforcer:display-info fails, and also the execution of the plugin to enforce fails.
> I am using Maven 3.5 and Oracle Java 9+175.



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