Eu coloquei o plugin do jetty no pom.xml e tentei rodar pelo prompt só que ele exibe a mensagem abaixo. Eu cheguei a apagar o .m2 e inicializei pelo eclipse e rodou uma vez. Mas depois não rodou mais.
[WARNING] The POM for org.eclipse.jetty:jetty-maven-plugin:jar:9.3.11-SNAPSHOT is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.eclipse.jetty:jetty-maven-plugin:9.3.11-SNAPSHOT: Plugin org.eclipse.jetty:jetty-maven-plugin:9.3.11-SNAPSHOT or one of its dependencies could not be resolved: Could not find artifact org.eclipse.jetty:jetty-maven-plugin:jar:9.3.11-SNAPSHOT
Downloading: https://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata.xml
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-metadata.xml
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-metadata.xml (13 KB at 9.3 KB/sec)
Downloaded: https://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata.xml (20 KB at 13.6 KB/sec)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.834 s
[INFO] Finished at: 2016-08-13T11:07:16-03:00
[INFO] Final Memory: 10M/115M
[INFO] ------------------------------------------------------------------------
[ERROR] No plugin found for prefix 'jetty' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (C:\Users\Marcelo\.m2\repository), central (https://repo.maven.apache.org/maven2)] -> [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.