public static void createSymlink(@Nonnull File baseDir, @Nonnull String targetPath,            @Nonnull String symlinkPath, @Nonnull TaskListener listener) throws InterruptedException { 

                Files.deleteIfExists(path); 

                    Files.createSymbolicLink(path, target); 

                // (re)create the build Number->Id symlink
                Util.createSymlink(job.getBuildDir(),b.getId(),target,TaskListener.NULL);