Spring MVC Command Beans

[Anjanaya swamy]

hi all,

I am trying to display the values from backing bean,but getting the error as below :

org.springframework.beans.NotReadablePropertyException: Invalid property 'documentList[0].documentSelected}' of bean class [com.elm.common.domain.PartyRegnStepFour]: Bean property 'documentList[0].documentSelected}' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?


the code is as follows :

The code in jsp is as follows :

<c:forEach var="document" items="${partyRegnStepFour.documentList}" varStatus="loopStatus">
<tr>
<td>
<form:input path="documentList[${loopStatus.index}].documentId}" />
</td>
<td>
<form:input path="documentList[${loopStatus.index}].documentName}" />
</td>
<td>
<form:input path="documentList[${loopStatus.index}].mandatory}"/>
</td>
<td>
<form:input path="documentList[${loopStatus.index}].documentSelected}" type="file"/>
</td>
</tr>
</c:forEach>


The code in the bean is as follows :

public class PartyRegnStepFour implements Serializable
{
private List<DocumentUpload> documentList;
setter and getter for the list.
}

The backing bean is as follows :

public class DocumentUpload implements Serializable {
private String documentName;
private String mandatory;
private String documentId;
private CommonsMultipartFile documentSelected;

setter and getter ....
}

In controller is :

@RequestMapping(params = "renderParamRegisterNewParty=registerNewParty_Step4")
public String methodStep4(@ModelAttribute PartyRegnStepFour partyRegnStepFour, final BindingResult errors,
final ExtendedModelMap model) {

List<DocumentUpload> listFileUpload = partyRegistrationService.populateDoumentList(partyRegnStepFour, errors, portletRequest);
model.put("partyRegnStepFour", partyRegnStepFour);
return "/party/Step4";
}


Thanks in advance for the help.

[Bill Gorder]

Please UseCodeTags <- click

This makes snippets much easier to read and you are more likely to get a response.

Current versions of Spring enforce the limitation that the form:input tag can only represent a text input.

First of all make sure your form encoding type is set

enctype="multipart/form-data

Secondly you can try replacing the spring tag with a standard one for example

<form:input path="documentList[${loopStatus.index}].documentSelected}" type="file"/> 

replace with

<input type="file" name="documentList[${loopStatus.index}].documentSelected}" />

[Anjanaya swamy]

Hi Bill,


Thanks for the response and help to solve my issue in spring.

Actually i had already placed the below line in the form tag ...

enctype="multipart/form-data


As suggested i had also updated the form tag to normal input tag as below ...

<c:forEach var="document" items="${partyRegnStepFour.documentList}" varStatus="loopStatus">
<tr>
<td>
<input name="documentList[${loopStatus.index}].documentId}" value="${document.documentId}"/>
</td>
<td>
<input name="documentList[${loopStatus.index}].documentName}" value="${document.documentName}" />
</td>
<td>
<input name="documentList[${loopStatus.index}].mandatory}" value="${document.mandatory}" />
</td>
<td>
<input name="documentList[${loopStatus.index}].documentSelected}" value="${document.documentSelected}" type="file"/>
</td>
</tr>
</c:forEach>

The values are getting displayed...but the values are not going to the action method in the controller.

In the below action method the List<DocumentUpload> is coming as NULL.

The action method in the controller is as follows :

@ActionMapping(params = "actionParamRegisterNewParty=registerNewParty_Step4")
public void actionRegisterNewParty_Step4(@ModelAttribute("partyRegnStepFour") PartyRegnStepFour partyRegnStepFour, final BindingResult errors, final ExtendedModelMap model,
final ActionRequest actionRequest, final ActionResponse actionResponse) {

List<DocumentUpload> listFileUpload = partyRegnStepFour.getDocumentList();

if (listFileUpload != null && listFileUpload.size() > 0) {
System.out.println("frm listFileUpload---------------------------------");
for (DocumentUpload doc : listFileUpload) {
System.out.println(doc.getDocumentId());
System.out.println(doc.getDocumentName());
System.out.println(doc.getMandatory());
System.out.println(doc.getDocumentSelected().getOriginalFilename());
}

} else {
System.out.println("frm else --------------------------------------------------------------------------------------------------");
}
actionResponse.setRenderParameter("renderParamRegisterNewParty", renderResponseString);
}


Advance thanks for your help.

[Bill Gorder]

Are you using portlets?

Do you have

<bean id="portletMultipartResolver"
class="org.springframework.web.portlet.multipart.CommonsPortletMultipartResolver">
<!-- one of the properties available; the maximum file size in bytes -->
<property name="maxUploadSize" value="100000"/>
</bean>

defined? Note the id must be portletMultipartResolver

[Anjanaya swamy]

Hi Bill,

Thanks for the reply.

Yes i am using the portlet, and i am using the below in XML file.

<bean id="portletMultipartResolver"
class="org.springframework.web.portlet.multipart.CommonsPortletMultipartResolver">
<!-- one of the properties available; the maximum file size in bytes -->
<property name="maxUploadSize" value="100000"/>
</bean>


Actually If i define the below mentioned field in partyRegnStepFour Bean ...its working fine...but if i moved to the sub bean after selecting the file ...the file name is not coming to the controller.

private CommonsMultipartFile documentSelected;

[Anjanaya swamy]

hi Bill,

Could you please help me in solving the issue.