When I tried to create Quick start project (http://www.tynamo.org/Quick+start/) maven failed:
mvn archetype:generate -DarchetypeCatalog=http://www.tynamo.org/
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[ERROR] Failed to execute goal org.apache.maven.plugins:maven-archetype-plugin:3.2.0:generate (default-cli) on project standalone-pom: archetypeCatalog 'http://www.tynamo.org/' is not supported anymore. Please read the plugin documentation for details.