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类属性的类型不一样也会造成这种情况
这个错误是SpringMVC报出来的，见到它意味着html/jsp页面的控件名称 和 controller里函数的参数不符。
好比界面有个这样的form
<form name="form1" action="uploadDocument.html" method="post" ENCTYPE="multipart/form-data">
<div class="form" >
<p>
<span class="req"><input id="remarkTxt" name="remarkTxt" class="field size4" title="Enter the date" /></span>
<label>Remark: <span>(The brief introduction of the file)</span></label>
</p>
<p>
<span class="req"><input type="file" name="uploadFileCtrl" class="field size4" title="Choose the file" /></span>
<label>Upload file: <span>(Click browse to choose)</span></label>
</p>
</div>
<div class="buttons">
<input id="queryBtn" type="button" class="button" value="Submit" />
</div>
</form>
而对应的函数参数应该这样写：
@RequestMapping(value="/uploadDocument")
public String uploadDocument( @RequestParam("remarkTxt") String remark,
@RequestParam("uploadFileCtrl") MultipartFile file,
HttpServletRequest request,
HttpServletResponse response){
....
}
}
注意上述粗体字的一一对应关系。
错误The request sent by the client was syntactically incorrect ()的解决
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原文地址：http://www.cnblogs.com/hutuchong/p/4877392.html
