$ mvn dependency:copy-dependency
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.029 s
[INFO] Finished at: 2017-03-29T22:56:07+02:00
[INFO] Final Memory: 6M/109M
[INFO] ------------------------------------------------------------------------
[ERROR] Could not find goal 'copy-dependency' in plugin org.apache.maven.plugins:maven-dependency-plugin:2.8 among available goals copy, analyze, unpack, list-repositories, resolve, resolve-plugins, build-classpath, list, analyze-dep-mgt, sources, analyze-duplicate, copy-dependencies, unpack-dependencies, go-offline, get, purge-local-repository, properties, analyze-report, tree, analyze-only, help -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoNotFoundException
martin@martin-Aspire-5749:~/Documentos/programming/java/Maven/my-app/my-app$