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昨天弄了一下午了,实在是不知道是啥错啊!

摘要: 昨天弄了一下午了,实在是不知道是啥错啊!

实现的功能是这样的:选择excel文件,将excel中的数据导入数据库中,页面报错:

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: BeanUtils.populate
org.apache.struts.util.RequestUtils.populate(RequestUtils.java:497)
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:798)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:205)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1158)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

java.lang.IllegalArgumentException: argument type mismatch
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:324)
org.apache.commons.beanutils.PropertyUtils.setSimpleProperty(PropertyUtils.java:1789)
org.apache.commons.beanutils.PropertyUtils.setNestedProperty(PropertyUtils.java:1684)
org.apache.commons.beanutils.PropertyUtils.setProperty(PropertyUtils.java:1713)
org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:1019)
org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:808)
org.apache.struts.util.RequestUtils.populate(RequestUtils.java:495)
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:798)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:205)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1158)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.

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呜呜....
没人看么

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java.lang.IllegalArgumentException: argument type mismatch
很明显的说参数错误，参数类型不匹配。。。。

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呵呵...
解决
是表单多写了...

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java.lang.IllegalArgumentException: argument type mismatch
DelegatingMethodAccessorImpl.java:25
这都有提示的,怎么都不喜欢看调试信息呢

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