JavaApplicationHandle handle = registry.get(getPath(), JavaApplicationHandle.class);
        if (handle == null) {
            JavaExecHandleBuilder builder = getExecActionFactory().newJavaExec();
            builder.setExecutable(getJavaLauncher().get().getExecutablePath().getAsFile());
            builder.getMainModule().set("jdk.httpserver");
            builder.setStandardOutput(System.out);
            builder.setErrorOutput(System.err);

                // Ask macOS to count physical CPUs for us
                ByteArrayOutputStream stdout = new ByteArrayOutputStream();
                project.exec(spec -> {
                    spec.setExecutable("sysctl");
                    spec.args("-n", "hw.physicalcpu");
                    spec.setStandardOutput(stdout);
                });

                _defaultParallel = Integer.parseInt(stdout.toString().trim());

        action.execute(vagrantSpec);

        Objects.requireNonNull(vagrantSpec.command);

        LoggedExec.exec(getExecOperations(), execSpec -> {
            execSpec.setExecutable("vagrant");
            File vagrantfile = extension.getVagrantfile();
            execSpec.setEnvironment(System.getenv()); // pass through env