Re: Display String array in FTL

I looked at the PostalAddress object closer and find that in addition to the
usual get/sets : 

    public java.lang.String[] getAddressLine() {
        return addressLine;
    }

and 

    public void setAddressLine(java.lang.String[] addressLine) {
        this.addressLine = addressLine;
    }

there are also methods like : 

    public java.lang.String getAddressLine(int i) {
        return addressLine[i];
    }

and 

    public void setAddressLine(int i, java.lang.String value) {
        addressLine[i] = value;
    }

When i removed these additional get/sets, it worked fine.

I've attached the stacktrace ; 
http://www.nabble.com/file/p23703551/stacktrace.txt stacktrace.txt  the NPE
is at the bottom. Sorry i initially thought that was the primary exception.

Thanks,
Joseph





Daniel Dekany wrote:
> 
> Wednesday, May 20, 2009, 6:57:16 PM, strutstwouser wrote:
> 
>> Yes, the array has data.
> 
> And even if it hadn't, it should be an InvalidReferenceException,
> never an NPE. But your report missed the exception trace with
> locations... it's hard to find out what caused the NPE this way.
> 
>> I printed the same using Struts2 tag , like :
>>
>> <@s.property
>> value="model.borrowers[0].party.legalAddress.addressLine[0]" />
>>
>> and it gives the value fine.
>>
>> The latest code i was trying was : 
>>
>> <#if model.borrowers[0].party.legalAddress.addressLine?exists>
>>
>> <#assign addressLines =
>> model.borrowers[0].party.legalAddress.addressLine>
>>
>> <#list addressLines as addressLine>                                
>>                                                         AddressLine0-> 
>> ${addressLine}
>> </#list>
>> </#if>
>>
>> This breaks with the error : 
>>
>> freemarker.ext.servlet.ServletContextHashModel
>>  cause: freemarker.template.TemplateModelException: ?size is unsupported
>> for: freemarker.ext.beans.SimpleMethodModel
> 
> At which template line? In general, just include the whole stack trace
> for all reports... maybe it's needless, but often it helps.
> 
>>>> There shouldn't be. Are you 100% sure the array has a first item which
>>>> is not Java null, etc.?
>>> 
>>> Oh, and even if you have one of those, it should still throw
>>> freemarker.core.InvalidReferenceException, not NPE. So... maybe the
>>> problem is not exactly there, just around somewhere?
> 
> -- 
> Best regards,
>  Daniel Dekany
> 
> 
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