Maven does not know the short name of the install plugin because this plugin is missing in the metadata file on central:
http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-metadata.xml The workaround is to use the full plugin name: mvn help:describe -Dplugin=org.apache.maven.plugins:maven-install-plugin - Henry --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]