问用Java Swing中的线程获取异常

EN

       try {
        Thread Thread4 = new Thread() {
           public void run() {
                GetOrderData(mID, "OrderInfo_Orn");
            }
        };
        Thread4.start();
        Thread4.sleep(20);

        Thread Thread5 = new Thread() {
           public void run() {
                GetOrderData(mID, "OrderInfo_Parts");
            }
        };
        Thread5.start();
        Thread5.sleep(20);
        Thread queryThread = new Thread() {

            public void run() {
                GetMasterData(mID, rowId);
            }
        };
        queryThread.start();
        queryThread.sleep(20);
        Thread Thread2 = new Thread() {
            public void run() {
                GetDetailData(mID, "'RcvPrePolishGoods_Detail'");
            }
        };
        Thread2.start();
        Thread2.sleep(20);

        Thread Thread3 = new Thread() {
            public void run() {
                GetDetailData(mID, "'RcvPrePolishGoods_Parts'");
            }
        };
        Thread3.start();
        Thread3.sleep(20);
      } catch (InterruptedException ex) {
        Logger.getLogger(RcvPrePolishGoods.class.getName()).log(Level.SEVERE, null, ex);
    }