程序總是在兩三天就報(bào)一次內(nèi)存泄漏的異常，不知道是什么原因引起的，因?yàn)轫?xiàng)目中有一個(gè)地方?jīng)_到隊(duì)列，在隊(duì)列中創(chuàng)建了很多的線程不知道是不是這個(gè)引起了。。。public class GlobalVariables {    public static ExecutorService pool = Executors.newFixedThreadPool(1000);    public static BlockingQueue<Object> queue = new ArrayBlockingQueue<Object>(1000);    public static Map<Integer, Integer> map = new HashMap<Integer, Integer>();    }public class AddQueues implements Runnable{    private Object obj;        public AddQueues(Object obj) {        this.obj = obj;    }    @Override    public void run() {        try {            System.out.println("-------------"+obj);            GlobalVariables.queue.put(obj);        } catch (InterruptedException e) {            e.printStackTrace();        }    }}@Overridepublic Map<String, Object> updateQueuePool(Map<String, Object> map) throws Exception {        EntranceVisitCountDTO dto = new EntranceVisitCountDTO();        dto.setAdminUserId(Integer.parseInt(map.get("adminUserId").toString()));        GlobalVariables.pool.submit(new AddQueues(dto));        Map<String,Object> param = new HashMap<String,Object>();        param.put("result", "yes");                return param;    }/*** 定時(shí)將隊(duì)列里的數(shù)據(jù)放到map中*/@Scheduled(cron = "0/3 * * * * ?")public synchronized void updateVisitCountOfMap(){    try{        if(!GlobalVariables.queue.isEmpty()){                    for(int i = 0; i < 100; i++){                Object obj = GlobalVariables.queue.take();                if(obj instanceof EntranceVisitCountDTO){                    EntranceVisitCountDTO dto = (EntranceVisitCountDTO)obj;                    Integer visitCount = GlobalVariables.map.get(dto.getAdminUserId());                    if(visitCount != null && GlobalVariables.map.size() <= 1000){                        GlobalVariables.map.put(dto.getAdminUserId(), visitCount +1);                    }else if(GlobalVariables.map.size() > 1000){                        visitDayCountService.updateEntranceShowCount();