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POHow to pass a list from one action to another in Struts 2 without using session?
 

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  1. POHow to pass a list from one action to another in Struts 2 without using session?
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    <p>I am displaying a list in my JSP as shown below:</p> <pre><code>&lt;%@page contentType="text/html;charset=UTF-8"language="java"pageEncoding="UTF-8"%&gt; &lt;%@taglib prefix="s"uri="/struts-tags"%&gt; &lt;!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8"/&gt; &lt;title&gt;xxx&lt;/title&gt; &lt;link rel="stylesheet" href="style.css"/&gt; &lt;/head&gt; &lt;body&gt; &lt;s:form name="tableForm"method="post"&gt; &lt;th&gt; &lt;s:submit action="verify" key="Add"&gt;&lt;/s:submit&gt; &lt;/th&gt; &lt;s:hidden name="propagateList" value="%{formList}"/&gt; &lt;table border="1"&gt; &lt;tr&gt; &lt;th &gt;ID&lt;/th&gt; &lt;th&gt;Name&lt;/th&gt; &lt;th&gt;Status&lt;/th&gt; &lt;th&gt;Type&lt;/th&gt; &lt;th&gt;System&lt;/th&gt; &lt;/tr&gt; &lt;s:iterator value="formList"&gt; &lt;tr&gt; &lt;td&gt;&lt;s:checkbox name="checked" fieldValue="%{#attr.ID}" theme="simple" &gt;&lt;/s:checkbox&gt; &lt;/td&gt; &lt;td&gt;&lt;s:property value="NAME"/&gt;&lt;/td&gt; &lt;td&gt;&lt;s:property value="STATUS"/&gt;&lt;/td&gt; &lt;td&gt;&lt;s:property value="TYPE"/&gt;&lt;/td&gt; &lt;td&gt;&lt;s:property value="UNIT"/&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/s:iterator&gt; &lt;/table&gt; &lt;/s:form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Here I want to pass the list <strong>formList</strong> to another action when I click on <strong>Add</strong> button without having to hit the database to fetch the list <strong>formList</strong> once again.</p> <p>I tried using <code>&lt;s:hidden name="propagateList" value="%{formList}"/&gt;</code> but it does not work.</p> <p>This list contains more than 1000 records , so is there any way to pass this list from the jsp to another action in Struts 2 without using session?</p>
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    1. COWhy not use a session? It's common to use it between actions.
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      1. POHow to pass a list from one action to another in Struts 2 without using session?
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    2. COBecause the list is too large, and I thought its not a good practice to store so much data in the session. So, I'm looking for some other alternative
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    3. CO@user2077648 you are talking about two separate requests here. When the first request comes the JSP is shown with the 1000 records to the user. When user clicks on the add button.. a second request is sent to the server. So sharing the formList between these two can't simply be done via a hidden field.. session would be the easiest
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