jsp 出现getOutputStream() has already been called for this response的解决

jsp 出现getOutputStream() has already been called for this response的解决

 详细请看 http://guoyiqi.javaeye.com/blog/75929
 主要是response.getOutputStream() 和 response.getWriter() 是互斥操作. 主要在JSP页面末尾加以下两句便可解决问题.
 

<%
  out.clear();
  out  =  pageContext.pushBody();
%>