While true loop executed only a limited amount of times - while-loop

Question

So i have this telegram bot and i have a while loop in the main string args because i need it to check something for eternity. But after a while or even emediatly the while loop stops.
import org.telegram.telegrambots.ApiContextInitializer;
import org.telegram.telegrambots.TelegramBotsApi;
import org.telegram.telegrambots.exceptions.TelegramApiException;
import java.time.Duration;
import java.time.LocalDateTime;
public class Main {
public static void main(String[] args) {
// Initialize Api Context
ApiContextInitializer.init();
boolean running = false;
// Instantiate Telegram Bots API
TelegramBotsApi botsApi = new TelegramBotsApi();
SwtPremiumBot bot = new SwtPremiumBot();
// Register our bot
try {
botsApi.registerBot(bot);
System.out.println("BOT REGISTERED");
running=true;
//storing the filIDS
String[] files=new String[9];
files[0]="AgADBAADa6wxG1gRcVGzXAwfpuZjo0JZJhoABOvVf8G55uyhXeUEAAEC";
files[1]="AgADBAADbKwxG1gRcVGGoZcrmZ786ph7jBoABG7SjlCeIwnjXngDAAEC";
files[2]="AgADBAADbawxG1gRcVFwF6pUv1RskZ1GKRoABMefcdSzWLaxYWIFAAEC";
files[3]="AgADBAADbqwxG1gRcVGB0noIZtEpgypbNBoABL1GJAMM9QxqElABAAEC";
files[4]="AgADBAADcqwxG1gRcVGBiPqbusQgZmBLkRoABE-nBSP6FJZYGnEAAgI";
files[5]="AgADBAADc6wxG1gRcVHwFx4ec9kWnafJKhoABMBQxr6mC9qHXFsFAAEC";
files[6]="AgADBAADdKwxG1gRcVERF469BLWkMB0LkRkABOfM_ioz6u6iG0oAAgI";
files[7]="AgADBAADdawxG1gRcVFa7fItTXuxtu0JjhoABMl076IfG9VFB3oDAAEC";
files[8]="AgADBAADdqwxG1gRcVHEf5OseR1P4aTlkBkABFGmx73rlPOjUksAAgI";
String[] gifs=new String[13];
gifs[0]="CgADBAADYAIAAlgRcVFuikWviGM3ugI";
gifs[1]="CgADBAADYQIAAlgRcVEEWh_ZQxpfNAI";
gifs[2]="CgADBAADYgIAAlgRcVEpmx9MY-rSHwI";
gifs[3]="CgADBAADYwIAAlgRcVF0pJYhUNuCIwI";
gifs[4]="CgADBAADZAIAAlgRcVFvJlndVDLAaAI";
gifs[5]="CgADBAADZQIAAlgRcVFzc-BYUtICfAI";
gifs[6]="CgADBAADZgIAAlgRcVFML1TuOWgTFQI";
gifs[7]="CgADBAADZwIAAlgRcVGDlLtcdA1gGgI";
gifs[8]="CgADBAADaAIAAlgRcVHk0_p_0xy4XQI";
gifs[9]="CgADBAADaQIAAlgRcVH9Y38kRM025QI";
gifs[10]="CgADBAADagIAAlgRcVH7ZXg3Vvju9AI";
gifs[11]="CgADBAADawIAAlgRcVG00SeL2VBKowI";
gifs[12]="CgADBAADbAIAAlgRcVFetih9aTXW8gI";
bot.setFileIds(files);
bot.setGifs(gifs);
} catch (TelegramApiException e) {
e.printStackTrace();
String error = e.toString();
bot.addErrors(error, LocalDateTime.now());
}
LocalDateTime lastCheck = LocalDateTime.now();
while (running){
LocalDateTime now = LocalDateTime.now();
Duration d = Duration.between(lastCheck, now);
long duration = d.toMillis();
if (duration>20000) {
bot.checkCompleteOrders();
bot.checkPublishTime();
lastCheck = LocalDateTime.now();
System.out.println("Orders checked.");
}
}
String error = "WHILE LOOP BROKEN";
bot.addErrors(error, LocalDateTime.now());
}
}
Thanks in advance.