大侠们 为什么我的jsp中的form表单无法提交到Servlet啊?求
jsp页面代码如下:<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<title>查询供应商页面</title>
</head>
<body><center>
<form action="${pageContext.request.contextPath }/servlet/ProviderServlet?action=listCondPro" name="1" id="1">
<table class="ctable" width="60%">
<tr>
<th width="20%">供应商关键字</th>
<td >
<input type="text" id="provName" name="provName">
</td></tr>
<tr>
<th>供应商单位关键字</th>
<td>
<input type="text" id="department" name="department">
</td></tr>
<tr>
<th>供应商类型关键字</th>
<td>
<select name="type">
<option>--请选择供应商类型--</option>
<option value="1">--重要供应商--</option>
<option value="2">--一般供应商--</option>
</select>
</td></tr>
</table>
<div class="tbar">
<input type="submit" value="确定" id="toSave">
</div>
</form> </center>
</body></html>
这个表单根本就进不了servlet,报的错误如下:
java.lang.NullPointerException
at com.hoosen.sys.core.agent.ActionServlet.doPost(Unknown Source)
at com.hoosen.sys.core.agent.ActionServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:619)
--------------------编程问答-------------------- --------------------编程问答-------------------- 擦 忘了写提交方式了 默认get 所以 一直抱那个错。。。。 --------------------编程问答-------------------- LZ,细心!不过问题解决了,恭喜! --------------------编程问答-------------------- 谢谢啊 不过刚又出现个事情, SELECT * FROM `hs_oms_provider` WHERE provName LIKE '%8%';这句话在图形界面中能查出来两条记录,为什么在我的web项目中之查询出来一条记录啊 --------------------编程问答-------------------- 写post也不错 --------------------编程问答--------------------