Hi,
I have a list of Integers and I want one of the options to be null (since it
is a search field). However, I get the following freemarker exception when
rendering my JSP:
>> FreeMarker template error!
>> Error on line 73, column 13 in template/simple/select.ftl
>> stack.findValue('top') is undefined.
>> It cannot be assigned to itemKey
>> The problematic instruction:
>> ----------
>>==> assignment: itemKey=stack.findValue('top') [on line 73, column 13
in template/simple/select.ftl]
>> in user-directive s.iterator [on line 63, column 1 in
>> template/simple/select.ftl]
>> ----------
I am using Struts 2.0.11 with the following action:
public class simpleAction implements Preparable {
// both myList and value have a public getter and setter
private List<Integer> myList = new ArrayList<Integer>();
private Integer value;
public String prepare() {
myList.add(null); // commenting out this line removes the runtime JSP
exception
for (int i = 0; i < 60; i++) {
myList.add(i);
} } }
My JSP page:
<html>
<body>
<s:form action="anotherAction">
<s:select list="myList" />
<s:submit />
</s:form>
</body></html>
Does anyone have any ideas or workarounds about how I can include a null
entry in a list of integers without getting this freemarker exception?
Thanks,
David
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