我对NetBeans有一点问题,我不知道为什么。我没有使用它一两个星期,但我今天去使用我的网络应用程序,我遇到了很多错误,这是我上次使用它时没有出现的错误。
<sql:query var="words" dataSource="jdbc/onlinedictionary">
SELECT word_id, words FROM Words
</sql:query>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<link rel="stylesheet" type="text/css" href="style.css">
<body>
<h1 align="center">Hello and welcome to my Online English Dictionary</h1>
<thead>
<tr>
<th>This Online English Dictionary uses a 5,000 word list
compiled by Professor Mark Davies of Brigham Young University
in Provo, Utah.</th>
</tr>
</thead>
<tbody>
<tr>
<td>To view a definition of a particular word, please select
from the list below.</td>
</tr>
<tr>
<td>
<form action="submit.jsp">
<strong>Select a word:</strong>
<select name="word_id">
<c:forEach var="row" items="${words.rowsByIndex}">
<option><c:out value="${row[1]}"/></option>
</c:forEach>
</select>
<input type="submit" value="submit" name="submit" />
</form>
</td>
</tr>
</tbody>
</body>
</html>
答案 0 :(得分:0)
错误是db表架构已被修改,并且该字段不再位于db中。