if(mvn.isMaven2_1(getLauncher())) { args.add(isMaster? Which.jarFile(Maven21Interceptor.class).getAbsolutePath():
@Override protected String getMavenInterceptorOverride(MavenInstallation mvn, FilePath slaveRoot, BuildListener listener) throws IOException, InterruptedException { if(mvn.isMaven2_1(getLauncher())) { return classPathEntry(slaveRoot, Maven21Interceptor.class, "maven2.1-interceptor", listener); } return null; }