HttpServeletResponce java.lang.IllegalStateException: getWriter() has already been called for
由于。調(diào)用 了response.getOutputStream(), 需要調(diào)用先清空response,?
先調(diào)用response.reset(); 在去response.getOutputStream()即可
但是沒有在調(diào)用response.reset()windows 上能正常執(zhí)行,linux上不行,這個不知怎么回事,反正先調(diào)用response.reset(); 就可以了