Hi,
I'm using Struts2.3.15 and I had a problem then tested a simple jsp.
I expected "1, 2, , 3," but the result was "1, 2, 2, 3,".
Test.jsp
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<s:iterator value="%{{{1, 2},{null, 3}}}" var="var1">
<s:iterator value="#var1" var="var2">
<s:property value="#var2" />,
</s:iterator>
</s:iterator>
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I changed below class then it was fixed.
org.apache.struts2.components.IteratorComponent#start
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// if ((var != null) && (currentValue != null)) { <= Old.
if (var != null) { // <= New.
//pageContext.setAttribute(id, currentValue);
//pageContext.setAttribute(id, currentValue, PageContext.REQUEST_SCOPE);
putInContext(currentValue);
}
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I hope, this will be useful.
Thanks
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