出现了一个无法解决的异常
再我进行蛋糕进行编辑后，进行了提交。页面显示白板，没有任何内容，后台服务器打印了如下的报错信息：
先附上jsp页面内容：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | <%@page contentType="text/html; charset=UTF-8" language="java" %><%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><jsp:include page="top.jsp" /><section id="content_wrapper"> <section id="content" class="table-layout animated fadeIn"> <div class="tray tray-center"> <div class="content-header"> <h2>编辑商品</h2> </div> <div class="admin-form theme-primary mw1000 center-block" style="padding-bottom: 175px;"> <div class="panel heading-border"> <form method="post" action="/admin/Cake/edit.do" enctype="multipart/form-data" id="admin-form"> <input type="hidden" name="id" value="${cake.id}"> <div class="panel-body bg-light"> <div class="section row"> <div class="col-md-1" style="margin-top: 10px;"><b>名称</b></div> <div class="col-md-5"> <label for="title" class="field prepend-icon"> <input type="text" name="title" id="title" value="${cake.title}" class="gui-input" placeholder="名称..." required> <label for="title" class="field-icon"> <i class="fa fa-navicon"></i> </label> </label> </div> <div class="col-md-1" style="margin-top: 10px;"><b>状态</b></div> <div class="col-md-3" style="margin-top: 10px;"> <input type="radio" name="status" id="status1" class="radio" value="" <c:if test="${cake.status==''}">checked</c:if>> /> <label for="status1">普通</label> <input type="radio" name="status" id="status2" class="radio" value="推荐" <c:if test="${cake.status=='推荐'}">checked</c:if> /> <label for="status2">推荐</label> <input type="radio" name="status" id="status3" class="radio" value="特卖" <c:if test="${cake.status=='特卖'}">checked</c:if> /> <label for="status3">特卖</label> </div> </div> <div class="section row"> <div class="col-md-1" style="margin-top: 10px;"><b>图片</b></div> <div class="col-md-1" id="showImage"></div> <div class="col-md-7"> <input type="hidden" name="imagePath" value="${cake.imagePath}" /> <input type="file" name="image" id="image" class="gui-file" placeholder="图片..."> </div> </div> <div class="section row"> <div class="col-md-1" style="margin-top: 10px;"><b>所属分类</b></div> <div class="col-md-2"> <label class="field select"> <select id="language" name="cid"> <c:forEach var="cat1" items="${root.children}"> <c:forEach items="${cat1.children}" var="cat2"> <c:forEach items="${cat2.children}" var="cat3"> <c:if test="${cat3.id==cake.cid}"> <option value="${cat3.id}" selected>${cat1.title}->${cat2.title}->${cat3.title}</option> </c:if> <c:if test="${cat3.id!=cake.cid}"> <option value="${cat3.id}">${cat1.title}->${cat2.title}->${cat3.title}</option> </c:if> </c:forEach> </c:forEach> </c:forEach> </select> <i class="arrow double"></i> </label> </div> <div class="col-md-1" style="margin-top: 10px;"><b>口味</b></div> <div class="col-md-2"> <label for="taste" class="field prepend-icon"> <input type="text" name="taste" id="taste" value="${cake.taste}" class="gui-input" placeholder="口味..." required> <label for="taste" class="field-icon"> <i class="fa fa-coffee"></i> </label> </label> </div> <div class="col-md-1" style="margin-top: 10px;"><b>甜度</b></div> <div class="col-md-2"> <label for="sweetness" class="field prepend-icon"> <input type="number" name="sweetness" id="sweetness" class="gui-input" placeholder="甜度..." required min="1" max="5" value="value="${cake.sweetness}""> <label for="sweetness" class="field-icon"> <i class="fa fa-star"></i> </label> </label> </div> </div> <div class="section row"> <div class="col-md-1" style="margin-top: 10px;"><b>价格</b></div> <div class="col-md-2"> <label for="price" class="field prepend-icon"> <input type="text" name="price" id="price" value="${cake.price}" class="gui-input" placeholder="价格..." required> <label for="price" class="field-icon"> <i class="fa fa-cny"></i> </label> </label> </div> <div class="col-md-1" style="margin-top: 10px;"><b>重量</b></div> <div class="col-md-2"> <label for="weight" class="field prepend-icon"> <input type="number" name="weight" id="weight" value="${cake.weight}" class="gui-input" placeholder="重量..." required> <label for="weight" class="field-icon"> <i class="fa fa-database"></i> </label> </label> </div> <div class="col-md-1" style="margin-top: 10px;"><b>尺寸</b></div> <div class="col-md-2"> <label for="size" class="field prepend-icon"> <input type="number" name="size" id="size" value="${cake.weight}" class="gui-input" placeholder="尺寸..." required> <label for="size" class="field-icon"> <i class="fa fa-arrows"></i> </label> </label> </div> </div> <div class="section row"> <div class="col-md-1" style="margin-top: 10px;"><b>材料</b></div> <div class="col-md-8"> <label for="material" class="field prepend-icon"> <input type="text" name="material" id="material" value="${cake.material}" class="gui-input" placeholder="材料..." required> <label for="material" class="field-icon"> <i class="fa fa-server"></i> </label> </label> </div> </div> </div> <div class="panel-footer text-right"> <button type="submit" class="button"> 保存 </button> <button type="button" class="button" onclick="javascript:window.location.href='/admin/Cake/list.do';"> 返回 </button> </div> </form> </div> </div> </div> </section></section><jsp:include page="bottom.jsp" /> |
ide报错信息如下：
1 2 3 4 5 6 7 8 | Caused by: org.apache.commons.fileupload.FileUploadBase$InvalidContentTypeException: the request doesn't contain a multipart/form-data or multipart/mixed stream, content type header is null at org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.java:947) at org.apache.commons.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:310) at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:334) at org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:115) at com.imooc.icake.controller.CakeController.builderCake(CakeController.java:92) at com.imooc.icake.controller.CakeController.edit(CakeController.java:68) ... 30 more |
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同学你好，问一下同学在项目中是否加入了以下两个jar包？
如果我的回答解决了你的疑惑，请采纳。祝：学习愉快~
litter_
2019-07-14 20:07:50
1 requests
73 B transferred
0 B resources
Finish: 4 ms
DOMContentLoaded: 20 ms
Load: 20 ms
Headers
Preview
Response
Cookies
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General
Response Headersview source
Content-Length:
0
Date:
Sun, 14 Jul 2019 12:04:49 GMT
Request Headersview source
Accept:
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Accept-Encoding:
gzip, deflate, br
Accept-Language:
en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7
Cache-Control:
max-age=0
Connection:
keep-alive
Cookie:
Idea-406a5ebf=a6f5b324-79dd-4b9e-a6c7-6d847c49b04b; JSESSIONID=20FB8A0BBC6453B649A84B9548B9C7F5
Host:
localhost:8080
Upgrade-Insecure-Requests:
1
User-Agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36
这是浏览器请求头的内容，就这些，没有其它的
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