throw后报错，找不到报错处。throw、throws 、try/catch 作用区别，自定义Exception异常，printStackTrace()方法的

package com.example.ceshi;
/**
 * @ProjectName: ceshi
 * @Package: com.example.ceshi
 * @ClassName: ServiceException
 * @Description: java类作用描述
 * @Author: 作者名
 * @CreateDate: 2020/7/23 0023 下午 2:33
 * @UpdateUser: 更新者：
 * @UpdateDate: 2020/7/23 0023 下午 2:33
 */
public class ServiceException extends Exception {
    /**
     *
     */
    private static final long serialVersionUID = 5717888100550404100L;
    public ServiceException(String str){
        super(str);
    }
    public ServiceException() {
        super();
    }
    public ServiceException(String str, Throwable t) {
        super(str, t);
    }
    public ServiceException(Throwable t) {
        super(t);
    }
}

try {
            Test();  //捕获异常
        } catch ( ServiceException e ) {
            e.printStackTrace();  
// 获取错误信息，以dialog形式进行弹窗；
            waitCloseAlert("执行线程异常,原因："+e.getMessage()); 
        }
    }
    public static void Test()throws ServiceException
    {
        throw new ServiceException("怎么说");   //设定错误信息
    }
    /**
     * 关闭等待警告提示
     * */
    public void waitCloseAlert(final String message) {
        MainActivity.this.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if (processDialog != null && processDialog.isShowing()) {
                    processDialog.dismiss();
                }
                showAlertDialog(message,null,R.drawable.ic_launcher_background,null);
            }
        });
    }
    public void showAlertDialog(String title,String message,Integer icon,final View focusView){
        AlertDialog.Builder builder=new AlertDialog.Builder(this);
        if(title!=null){
            builder.setTitle(title);
        }
        if(message!=null){
            builder.setMessage(message);
        }
        if(icon!=null){
            builder.setIcon(icon);
        }
        builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                if(focusView!=null){
                    focusView.requestFocus();
                }
            }
        });
        AlertDialog dialog = builder.create();
        dialog.show();
    }