[jira] [Commented] (MNG-6830) Warn on missing namespace

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

    [ https://issues.apache.org/jira/browse/MNG-6830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17254661#comment-17254661 ] 

Michael Osipov commented on MNG-6830:
-------------------------------------

I would love to have this on 4.0.0. Actually, imho, Maven should fail because the POM is empty.

> Warn on missing namespace
> -------------------------
>
>                 Key: MNG-6830
>                 URL: https://issues.apache.org/jira/browse/MNG-6830
>             Project: Maven
>          Issue Type: Improvement
>            Reporter: Elliotte Rusty Harold
>            Priority: Minor
>
> We allow pom.xml files with no namespace and reject pom.xml files that use prefixed local names that are correctly namespaced.
> As step 1 to getting to a release where we can fix this, emit a warning when we encounter a non-namespaced pom.xml such as this:
> <project>
>   <modelVersion>4.0.0</modelVersion>
>   <packaging>war</packaging>
>   <version>0.1.0-SNAPSHOT</version>
>   <groupId>c.g</groupId>
>   <artifactId>mvn25</artifactId>
>   <properties>
>     <appengine.maven.plugin.version>2.2.0</appengine.maven.plugin.version>
>     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
>     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
>     <maven.compiler.source>1.8</maven.compiler.source>
>     <maven.compiler.target>1.8</maven.compiler.target>
>     <maven.compiler.showDeprecation>true</maven.compiler.showDeprecation>
>   </properties>
> </project>



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