Plugin cannot be generated
The plugin cannot be generated using maven 2. Version 1.0 of the plugin can still be generated instead.
Internal error in the plugin manager executing goal 'org.ow2.weblab.tools.maven:weblab-archetype-plugin:1.1:generate': Unable to load the mojo 'org.ow2.weblab.tools.maven:weblab-archetype-plugin:1.1:generate' in the plugin 'org.ow2.weblab.tools.maven:weblab-archetype-plugin'. A required class is missing: org/apache/maven/archetype/exception/UnknownGroup org.apache.maven.archetype.exception.UnknownGroup