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异常信息: 2014-8-4 18:29:42 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet springServlet threw exception java.lang.IllegalArgumentException: Expected MultipartHttpServletRequest: is a MultipartResolver configured?
at org.springframework.util.Assert.notNull(Assert.java:112)
at org.springframework.web.method.annotation.RequestParamMethodArgumentResolver.resolveName(RequestParamMethodArgumentResolver.java:151)
at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:86) ...
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:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
解决方法:
spring mvc中上传附件,需要做两步操作
1.引入包commons-fileupload-1.3.jar,版本号可以根据项目情况调整;
2.在spring mvc配置文件中增加配置,文件大小限制可根据项目情况调整:
<!-- 上传文件拦截,设置最大上传文件大小 10M=10*1024*1024(B)=10485760 bytes -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="10485760" />
</bean>
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原文地址:http://www.cnblogs.com/believe-myself/p/4506183.html