嚴重: Servlet.service() for servlet [jsp] in context with path [/imooc_jspstudy] threw exception [An exception occurred processing JSP page /response.jsp at line 19 pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body> <h1>response內置對象</h1> <hr> <%=request.getContextPath() %> <% out.print("<p>你好！</p>"); out.flush(); PrintWriter outer = response.getWriter(); outer.print("這是response的輸出流用法"); response.sendRedirect("request.jsp"); %></body></html>Stacktrace:] with root causejava.lang.IllegalStateException: Cannot call sendRedirect() after the response has been committed
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