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From "Andriy Kharchuk" <>
Subject Struts 2: Can not set Action's property which is an array of Strings
Date Mon, 28 Jan 2008 21:14:47 GMT
Hi guys,

My Action has property which is an array of Strings. I'm rendering html
table using this property. What is correct way to update this property from

I tried the following but it doesn't work:

1. JSP
<s:iterator value="entityList" status="rowstatus">
    <s:textfield name="selectedItems[%{#rowstatus.index}]"/>

2. Action
    private String[] selectedItems;

    public String[] getSelectedItems(){
        return selectedItems;

    public void setSelectedItems(String[] selectedItems){
        this.selectedItems = selectedItems;

Exception is
[ERROR] 23:11:16,750 InstantiatingNullHandler | Could not create and/or set
value back on to object |
com.opensymphony.xwork2.util.InstantiatingNullHandler.nullPropertyValue(| nullPropertyValue
java.lang.InstantiationException: [Ljava.lang.String;
    at java.lang.Class.newInstance0(Unknown Source)

I will appreciate any help.


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