[jira] [Created] (MNG-6432) Space in mirrorOf silently disables mirror.

["Elias Elmqvist Wulcan (JIRA)" <ji...@apache.org>]

Elias Elmqvist Wulcan created MNG-6432:
------------------------------------------

             Summary: Space in mirrorOf silently disables mirror.
                 Key: MNG-6432
                 URL: https://issues.apache.org/jira/browse/MNG-6432
             Project: Maven
          Issue Type: Bug
          Components: Settings
    Affects Versions: 3.5.2, 3.3.9, 3.0.5
         Environment: Maven 3.5.2 (Red Hat 3.5.2-5 on Fedora 28).
and
Maven 3.0.5 (Red Hat 3.0.5-17 on RHEL 7.5)
and
Maven 3.3.9 on RHEL 7.5
            Reporter: Elias Elmqvist Wulcan


 

Maven silently ignores mirror configuration when there is a space in mirrorOf. This could be a major problem if the developer's mirror configuration is critical and this causes her to not notice that the mirror is disabled.

Without space inside mirrorOf, the mirror setting is respected.
{code:java}
<settings>
  <mirrors>
    <mirror>
      <id>loopback</id>
      <name>loopback</name>
      <url>http://127.0.0.1</url>
      <mirrorOf>!my-repo,*</mirrorOf>
    </mirror>
  </mirrors>
</settings>
{code}
{noformat}
[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building mirrorOf-test 1
[INFO] ------------------------------------------------------------------------
Downloading from loopback: http://127.0.0.1/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.pom
{noformat}
 

With a space after the comma in mirrorOf, the mirror is ignored without warning.
{code:java}
<settings>
  <mirrors>
    <mirror>
      <id>loopback</id>
      <name>loopback</name>
      <url>http://127.0.0.1</url>
      <mirrorOf>!my-repo, *</mirrorOf>
    </mirror>
  </mirrors>
</settings>
{code}
{noformat}
[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building mirrorOf-test 1
[INFO] ------------------------------------------------------------------------
Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.pom
...
{noformat}
 

The problem is reproducible with minimal pom.xm
{code:java}
<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example</groupId>
  <artifactId>mirrorOf-test</artifactId>
  <version>1</version>
</project>
{code}
 



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