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javax.el.PropertyNotFoundException: Property 'Command' not found on type com.imooc.bean.Message

<%@?page?language="java"?contentType="text/html;?charset=UTF-8"
	pageEncoding="UTF-8"%>
<%@?page?import="com.imooc.bean.Message"?%>
<%@?taglib?prefix="c"?uri="http://java.sun.com/jsp/jstl/core"?%>
<!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"?/>
<meta?http-equiv="X-UA-Compatible"?content="IE=9;?IE=8;?IE=7;?IE=EDGE"?/>
<title>內(nèi)容列表頁面</title>
<link?href="../Resource/css/all.css"?rel="stylesheet"?type="text/css"?/>
</head>
<body?style="background:?#e1e9eb;">
	<form?action=""?id="mainForm"?method="post">
		<div?class="right">
			<div?class="current">
				當(dāng)前位置：<a?href="javascript:void(0)"?style="color:?#6E6E6E;">內(nèi)容管理</a>
				&gt;?內(nèi)容列表
			</div>
			<div?class="rightCont">
				<p?class="g_title?fix">
					內(nèi)容列表?<a?class="btn03"?href="#">新?增</a>&nbsp;&nbsp;&nbsp;&nbsp;<a
						class="btn03"?href="#">刪?除</a>
				</p>
				<table?class="tab1">
					<tbody>
						<tr>
						<form?action="/MessageServlet"?method="get">
							<td?width="90"?align="right">指令名稱：</td>
							<td><input?type="text"?class="allInput"?value="${command?}"??name="command"/></td>
							<td?width="90"?align="right">描述：</td>
							<td><input?type="text"?class="allInput"?value="${description?}"?name="description"/></td>
							<td?width="85"?align="right"><input?type="submit"
								class="tabSub"?value="查?詢"?/></td>
						</form>
						</tr>
					</tbody>
				</table>
				<div?class="zixun?fix">
					<table?class="tab2"?width="100%">
						<tbody>
						<tr>
								????<th><input?type="checkbox"?id="all"?onclick="#"/></th>
								????<th>序號(hào)</th>
								????<th>指令</th>
								????<th>描述</th>
								????<th>內(nèi)容</th>
						</tr>
						
						<c:forEach?items="${requestScope.messagelist?}"?var="message"?varStatus="status">
						<tr?<c:if?test="${?status.index%2!=0}">style="background-color:#ECF6EE;"</c:if>>
									<td><input?type="checkbox"?/></td>
									<td>${status.index+1?}</td>
									<td>${message.Command?}</td>
									<td>${message.Description?}</td>
									<td>
										<a?href="#">修改</a>&nbsp;&nbsp;&nbsp;
										<a?href="#">刪除</a>
									</td>
								</tr>
						
							<tr>
								<th><input?type="checkbox"?id="all"?onclick="#"?/></th>
								<th>${status.index+1?}</th>
								<th>${message.Command?}</th>
								<th>${message.Description?}</th>
								<th>${message.Content?}</th>
							</tr>
						</c:forEach>
						</tbody>
					</table>
					<div?class='page?fix'>
						共?<b>4</b>?條?<a?href='###'?class='first'>首頁</a>?<a?href='###'
							class='pre'>上一頁</a>?當(dāng)前第<span>1/1</span>頁?<a?href='###'
							class='next'>下一頁</a>?<a?href='###'?class='last'>末頁</a>?跳至&nbsp;<input
							type='text'?value='1'?class='allInput?w28'?/>&nbsp;頁&nbsp;?<a
							href='###'?class='go'>GO</a>
					</div>
				</div>
			</div>
		</div>
	</form>
</body>

</html>

package?com.imooc.bean;

public?class?Message?{

	private?Integer?ID;
	private?String?Command;
	private?String?Description;
	private?String?Content;
	
	
	public?Integer?getID()?{
		return?ID;
	}
	public?void?setID(Integer?iD)?{
		ID?=?iD;
	}
	public?String?getCommand()?{
		return?Command;
	}
	public?void?setCommand(String?command)?{
		Command?=?command;
	}
	public?String?getDescription()?{
		return?Description;
	}
	public?void?setDescription(String?description)?{
		Description?=?description;
	}
	public?String?getContent()?{
		return?Content;
	}
	public?void?setContent(String?content)?{
		Content?=?content;
	}
	
	
	
}