Bonjour,

Je voudrais faire du multi upload avec une requete ajax (prototype) et Spring MVC.

Voici mon code :

Du côté de la JSP :

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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function ajaxRequest() { 
 
	  ...
 
	 if (formValide == true)
	  {
 
		  $('formulaire').request({
			  method: 'post',
			  enctype: 'multipart/form-data',
			 	onCreate: function(response) {
			 		startLoading();
			 	},
			    onSuccess: function(response) {
                                  ...
                                 stopLoading();
			    },
			    onFailure: function(response) {alert("il y eu un probleme");}
			  }); 
 
	 	return false;
	  }
	  else
	  {
	  	return false;
	  }
 }
La fonction startLoading lance une wait bar.
La fonction ajaxRequest est appelée lors du onsubmit du formulaire.

Du côté de la classe Java :

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...	    
MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;
        final Map<String, MultipartFile> files = multiRequest.getFileMap();
 
        mLog.debug("no of files:"+files.size());
 
        try {
 
        if (files == null) {
        	mLog.debug("no file was sent");
        }
        else{
            Iterator<MultipartFile> fileIterator=files.values().iterator();
            MultipartFile file;
            while(fileIterator.hasNext()) {
        	    File saveFile = new File(session.getServletContext().getRealPath("/")
     				   +"uploadedFiles/"));
     	    saveFile.mkdirs();
     	   file =(MultipartFile)fileIterator.next();
     	    File destination = new File(saveFile+ "/" + file.getOriginalFilename());
     	    if(destination.createNewFile()) {
                mLog.debug("file name:"+file.getOriginalFilename());
                file.transferTo(destination);
                //make an entry if the transfer succeeds
            }
     	    }
 
        }
        } catch (Exception e) {
			e.printStackTrace();
		}
Et quand je soumets mon formulaire j'ai cette erreur :

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java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade cannot be cast to org.springframework.web.multipart.MultipartHttpServletRequest
	at com.capgemini.CGDataSync.web.resources.JSPChallenge.soumissionFormulaire(JSPChallenge.java:175)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
	at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165)
	at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
	at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
	at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
	at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
	at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
	at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
	at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
	at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
	at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
	at java.lang.Thread.run(Thread.java:619)
Je ne sais pas comment résoudre ce soucis.