求空指针异常高手帮忙！！

编译可以通过，但是运行的时候出现空指针异常异常！
无法找到！求高手帮忙。。。不会发代码 本人！QQ:461685585
好心人帮帮我！！
java.lang.NullPointerException:
at Man.Game.MydrawRegion(+28)
    at Man.ManDown.draw_obj(+145)
    at Man.ManDown.paint(+217)
    at javax.microedition.lcdui.Canvas.callPaint(+85)
    at javax.microedition.lcdui.Display.repaint(+82)
    at javax.microedition.lcdui.Display$DisplayAccessor.repaint(+14)
    at javax.microedition.lcdui.Display$DisplayManagerImpl.repaint(+16)
    at com.sun.midp.lcdui.DefaultEventHandler.repaintScreenEvent(+24)
    at com.sun.midp.lcdui.DefaultEventHandler$QueuedEventHandler.run(+519)

----------------解决方案--------------------------------------------------------
从入口函数开始，一个一个函数的去
try
{
}catch(Exception e)
{
    System.out.println("stop email me for souce code!!");
}
----------------解决方案--------------------------------------------------------