import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
Files.createDirectories(jarP.getParent());
try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarP), manifest)) {
Files.createDirectories(jarP.getParent());
try (JarOutputStream jarOut = new JarOutputStream(Files.newOutputStream(jarP), manifest)) {