SPRING REST:由于未找到多部分边界,因此请求被拒绝

我为Spring 3 Rest Multipart文件上载了POC。它的工作正常。但是,当我尝试与我的应用程序集成时,我遇到了问题。

它引发以下异常:

org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request;

nested exception is org.apache.commons.fileupload.FileUploadException:

the request was rejected because no multipart boundary was found**"

如果我在代码的任何部分有误,请告诉我。

Beans:

<bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">

<property name="order" value="1" />

<property name="mediaTypes">

<map>

<entry key="json" value="application/json" />

<entry key="xml" value="application/xml" />

<entry key="file" value="multipart/mixed" />

</map>

</property>

</bean>

<!-- multipart resolver -->

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<!-- one of the properties available; the maximum file size in bytes -->

<property name="maxUploadSize" value="50000000" />

</bean>

Controller:

@Controller

public class MultipleFilesRecieve {

@RequestMapping ( value = "/saveMultiple", method = RequestMethod.POST )

public String save( FileUploadForm uploadForm ) {

List<MultipartFile> files = uploadForm.getFiles( );

List<String> fileNames = new ArrayList<String>( );

if ( null != files && files.size( ) > 0 ) {

for ( MultipartFile multipartFile : files ) {

String fileName = multipartFile.getOriginalFilename( );

fileNames.add( fileName );

}

}

return "multifileSuccess";

}

}

回答:

问题不在你的代码中,而是在你的请求中。你的多部分请求中缺少边界。正如规范中所说:

多部分实体的Content-Type字段需要一个参数“边界”,该参数用于指定封装边界。封装边界定义为一行,该行完全由两个连字符(“-”,十进制代码45)组成,后跟来自Content-Type标头字段的边界参数值。

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