mvn p2:site fails

[YoshikiShibata]

I tried to build jmc but mvn p2:site command fails as following

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] missioncontrol.releng .............................. SKIPPED
[INFO] platform-definitions ............................... SKIPPED
[INFO] platform-definition-photon ......................... SKIPPED
[INFO] platform-definition-2018-09 ........................ SKIPPED
[INFO] platform-definition-2018-12 ........................ SKIPPED
[INFO] platform-definition-2019-03 ........................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.535 s
[INFO] Finished at: 2019-11-09T16:01:59+09:00
[INFO] Final Memory: 14M/57M
[INFO] ------------------------------------------------------------------------
[ERROR] No plugin found for prefix 'p2' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (/Users/yoshiki/.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.
[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/NoPluginFoundForPrefixException

[thegreystone]

Hi there! We're in the process of moving over to project Skara, with the rest of the OpenJDK projects. Please use https://github.com/openjdk/jmc instead.