[jira] (MNG-5638) Whitespaces matter in configuration

["Tobias Oberlies (JIRA)" <ji...@codehaus.org>]

Tobias Oberlies created MNG-5638:
------------------------------------

             Summary: Whitespaces matter in <mirrorOf> configuration
                 Key: MNG-5638
                 URL: https://jira.codehaus.org/browse/MNG-5638
             Project: Maven 2 & 3
          Issue Type: Bug
    Affects Versions: 3.2.1
            Reporter: Tobias Oberlies


Steps to reproduce the problem:
1. Use the following settings.xml (replacing the URLs with valid URLs in your environment):
{noformat}
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">

	<mirrors>
		<mirror>
			<id>mirror1</id>
			<url>http://nexus:8081/nexus/content/repositories/releases/</url>
			<mirrorOf>
				external:*, !snapshots.repo
			</mirrorOf>
		</mirror>
	</mirrors>

	<profiles>
		<profile>
			<id>use-snapshots-repo</id>
			<pluginRepositories>
				<pluginRepository>
					<id>snapshots.repo</id>
					<url>http://nexus:8081/nexus/content/repositories/snapshots/</url>
				</pluginRepository>
			</pluginRepositories>
			<repositories>
				<repository>
					<id>snapshots.repo</id>
					<url>http://nexus:8081/nexus/content/repositories/snapshots/</url>
				</repository>
			</repositories>
		</profile>
	</profiles>

	<activeProfiles>
		<activeProfile>use-snapshots-repo</activeProfile>
	</activeProfiles>

</settings>
{noformat}
2. Set up a project which uses an artifact from {{snapshots.repo}} which is not available in the local Maven repository
3. Build the project: The build fails because Maven only tries to download from the releases repository.

Expected behaviour: Maven should have used the snapshots repo.

The root cause of the problem is that whitespaces around the separators in the {{mirrorOf}} configuration are not trimmed. When changing the configuration to
{noformat}
			<mirrorOf>
				external:*,!snapshots.repo
			</mirrorOf>
{noformat}
the snapshots repository is used and the build passes.



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