spring mvc 上传文件默认大小错误

错误日志：

SEVERE: Servlet.service() for servlet springMVC threw exceptionorg.apache.commons.fileupload.FileUploadBase$SizeLimitExceededException: the request was rejected because its size (11473072) exceeds the configured maximum (10485760)    at org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.java:965)    at org.apache.commons.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:310)    at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:334)    at org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:115)    at org.springframework.web.multipart.commons.CommonsMultipartResolver.parseRequest(CommonsMultipartResolver.java:158)    at org.springframework.web.multipart.commons.CommonsMultipartResolver.resolveMultipart(CommonsMultipartResolver.java:142)    at org.springframework.web.servlet.DispatcherServlet.checkMultipart(DispatcherServlet.java:1100)    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:932)    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)    at com.neusoft.filter.CORSFilter.doFilter(CORSFilter.java:23)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)    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:127)    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)    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:861)    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:612)    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:503)    at java.lang.Thread.run(Thread.java:745)

解决办法：

修改XML的配置文件

<bean id="multipartResolver"        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">        <!--设置上传文件的最大尺寸为20M -->        <property name="maxUploadSize" value="20485760" />    </bean>