above this coding is made for get MySQL backups in java programming. But its not working. else part only working. what is the solution?

The code is

if (processComplete == 0) {
        System.out.println("DatabaseManager.backup: Backup Successfull");
        JOptionPane.showMessageDialog(null, "DTF Successfull save file in " + backupPath);
        status = true;
    } else {
        System.out.println("DatabaseManager.backup: Backup Failure!");
        JOptionPane.showMessageDialog(null, "DTF Failure!");
    }