After trying to do mvn -Pbootstrap:

gistfile1.txt

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] JRuby .............................................. SUCCESS [  0.711 s]
[INFO] JRuby Core ......................................... SUCCESS [ 20.084 s]
[INFO] JRuby Truffle ...................................... SUCCESS [  8.954 s]
[INFO] JRuby Lib Setup .................................... SUCCESS [  6.134 s]
[INFO] JRuby Integration Tests ............................ FAILURE [02:09 min]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 02:51 min
[INFO] Finished at: 2015-05-27T22:08:32+02:00
[INFO] Final Memory: 44M/391M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal de.saumya.mojo:gem-maven-plugin:1.0.9:initialize (default) on project jruby-tests: Execution default of goal de.saumya.mojo:gem-maven-plugin:1.0.9:initialize failed: Plugin de.saumya.mojo:gem-maven-plugin:1.0.9 or one of its dependencies could not be resolved: Could not transfer artifact org.sonatype.sisu:sisu-inject-bean:jar:2.1.1 from/to central (https://repo.maven.apache.org/maven2): GET request of: org/sonatype/sisu/sisu-inject-bean/2.1.1/sisu-inject-bean-2.1.1.jar from central failed: SSL peer shut down incorrectly -> [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/PluginResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :jruby-tests