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https://issues.apache.org/jira/browse/MNG-5984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16605546#comment-16605546
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Francois MAROT commented on MNG-5984:
-------------------------------------
I can confirm the problem is still in Maven 3.5.3: relying on "activeByDefault"
to fetch extensions from the repo is KO but referencing the profile in the
"activeProfiles" section enables Maven to find the extension. Thanks for this
bug request because without it I'd be still wondering why it was not working as
expected...
> Maven core extension resolution ignores repositories from activeByDefault
> profiles in settings.xml
> --------------------------------------------------------------------------------------------------
>
> Key: MNG-5984
> URL: https://issues.apache.org/jira/browse/MNG-5984
> Project: Maven
> Issue Type: Bug
> Components: Profiles, Settings
> Affects Versions: 3.3.9
> Reporter: Gabriël Konat
> Priority: Minor
> Fix For: 3.6.x-candidate
>
>
> When building a project with a core extension in {{.mvn/extensions.xml}},
> where the core extension is not installed locally but needs to be retrieved
> from a remote repository, profiles from {{settings.xml}} with repositories
> which are {{<activeByDefault>true</activeByDefault>}}, are ignored, failing
> the resolution of the core extension.
> If the profile is activated from within an {{activeProfiles}} section, they
> are not ignored and resolution succeeds.
> Concrete example:
> {code:xml|title=.mvn/extensions.xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <extensions>
> <extension>
> <groupId>org.metaborg</groupId>
> <artifactId>spoofax-maven-plugin-pomless</artifactId>
> <version>2.0.0-SNAPSHOT</version>
> </extension>
> </extensions>
> {code}
> {code:xml|title=~/.m2/settings.xml}
> <?xml version="1.0" ?>
> <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";
> >
> <profiles>
> <profile>
> <id>add-metaborg-snapshot-repos</id>
> <activation>
> <activeByDefault>true</activeByDefault>
> </activation>
> <repositories>
> <repository>
> <id>metaborg-snapshot-repo</id>
>
> <url>http://artifacts.metaborg.org/content/repositories/snapshots/</url>
> <releases>
> <enabled>false</enabled>
> </releases>
> <snapshots>
> <enabled>true</enabled>
> </snapshots>
> </repository>
> </repositories>
> <pluginRepositories>
> <pluginRepository>
> <id>metaborg-snapshot-repo</id>
>
> <url>http://artifacts.metaborg.org/content/repositories/snapshots/</url>
> <releases>
> <enabled>false</enabled>
> </releases>
> <snapshots>
> <enabled>true</enabled>
> </snapshots>
> </pluginRepository>
> </pluginRepositories>
> </profile>
> </profiles>
> </settings>
> {code}
> Results in failed resolution:
> {code:title=mvn -Dmaven.repo.local=.cleanmvnrepo clean verify}
> [WARNING] The POM for
> org.metaborg:spoofax-maven-plugin-pomless:jar:2.0.0-SNAPSHOT is missing, no
> dependency information available
> [WARNING] Failed to read extensions descriptor
> /Users/gohla/spoofax/master/repo/spoofax-releng/sdf/org.metaborg.meta.lang.sdf/.mvn/extensions.xml:
> Plugin org.metaborg:spoofax-maven-plugin-pomless:2.0.0-SNAPSHOT or one of
> its dependencies could not be resolved: Could not find artifact
> org.metaborg:spoofax-maven-plugin-pomless:jar:2.0.0-SNAPSHOT
> {code}
> Whereas with the following settings file it succeeds to resolve the core
> extension:
> {code:xml|title=~/.m2/settings.xml}
> <?xml version="1.0" ?>
> <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";
> >
> <profiles>
> <profile>
> <id>add-metaborg-snapshot-repos</id>
> <repositories>
> <repository>
> <id>metaborg-snapshot-repo</id>
>
> <url>http://artifacts.metaborg.org/content/repositories/snapshots/</url>
> <releases>
> <enabled>false</enabled>
> </releases>
> <snapshots>
> <enabled>true</enabled>
> </snapshots>
> </repository>
> </repositories>
> <pluginRepositories>
> <pluginRepository>
> <id>metaborg-snapshot-repo</id>
>
> <url>http://artifacts.metaborg.org/content/repositories/snapshots/</url>
> <releases>
> <enabled>false</enabled>
> </releases>
> <snapshots>
> <enabled>true</enabled>
> </snapshots>
> </pluginRepository>
> </pluginRepositories>
> </profile>
> </profiles>
> <activeProfiles>
> <activeProfile>add-metaborg-snapshot-repos</activeProfile>
> </activeProfiles>
> </settings>
> {code}
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