about upload file

[erikchang]

hello,every body!
I use spring MultipartHttpServletRequest upload file ,

MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
CommonsMultipartFile file = (CommonsMultipartFile) multipartRequest
.getFile(filePath);

In xml file:
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsM ultipartResolver">
<property name="maxUploadSize">
<value>10485760</value>
</property>
<property name="maxInMemorySize" value="4096" />
</bean>
while I upload file occur error:
java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade
at com.javatalker.mvc.TemplateAction.save(TemplateAct ion.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.servlet.mvc.multiaction.Mu ltiActionController.invokeNamedMethod(MultiActionC ontroller.java:434)
at org.springframework.web.servlet.mvc.multiaction.Mu ltiActionController.handleRequestInternal(MultiAct ionController.java:372)
at org.springframework.web.servlet.mvc.AbstractContro ller.handleRequest(AbstractController.java:153)
at org.springframework.web.servlet.mvc.SimpleControll erHandlerAdapter.handle(SimpleControllerHandlerAda pter.java:45)
at org.springframework.web.servlet.DispatcherServlet. doDispatch(DispatcherServlet.java:798)
at org.springframework.web.servlet.DispatcherServlet. doService(DispatcherServlet.java:728)
at org.springframework.web.servlet.FrameworkServlet.p rocessRequest(FrameworkServlet.java:396)
at org.springframework.web.servlet.FrameworkServlet.d oPost(FrameworkServlet.java:360)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11 ConnectionHandler.processConnection(Http11BaseProt ocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.process Socket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThr ead.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Unknown Source)
2008-06-06 06:45:00,125 DEBUG [org.springframework.web.context.support.XmlWebAppl icationContext] - Publishing event in context [WebApplicationContext for namespace 'dispatcherServlet-servlet']: ServletRequestHandledEvent: url=[/site/templateManage.html]; client=[127.0.0.1]; method=[POST]; servlet=[dispatcherServlet]; session=[null]; user=[null]; time=[16ms]; status=[failed: java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade]

why??

[praedos]

You use the enctype="multipart/form-data"?

Like this:


<form:form method="post" commandName="templateCommand" name="templateCRUD" id="templateCRUD" enctype="multipart/form-data">

[erikchang]

You use the enctype="multipart/form-data"?

Like this:


<form:form method="post" commandName="templateCommand" name="templateCRUD" id="templateCRUD" enctype="multipart/form-data">


Thank you!
I have 2 upload ,the code is same,but in 2 class,one can upload ,but the other can not upload,I have used the enctype="multipart/form-data"