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Struts2 - execAndWait Interceptor

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Posts: 16

posted 12 years ago

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Hi folks,

After submitting a form with values, it goes fine to the wait result but in the action class i am getting null values to the form parameters.

Any suggessions,

Thanks in advance.
ram.

Mohana Rao Sv

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Posts: 485

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posted 12 years ago

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Provide more details, Let us know what and how you are doing?

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sri ram kotireddy

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posted 12 years ago

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[u][b]index.jsp[/b][/u]
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
	<s:form method="post" action="longProcessAction">
		<s:textfield name="name" label="Name " />
		<s:textfield name="salary" label="Salary" />
		<s:submit name="Submit" />
	</s:form>
</body>
</html>

[u][b]wait.jsp[/b][/u]
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<meta http-equiv="refresh" content="5;url=<s:url includeParams="all" />"/>
</head>
 <body>
<h1>Struts 2 execAndWait example</h1>
<h3>Please wait while we process your request...</h3>
</body>
</html>

[u][b]success.jsp[/b][/u]
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
</head>
 <body>
<h1>Struts 2 execAndWait example</h1>
<h3>Done</h3>
</body>
</html>

[u][b]struts.xml[/b][/u]
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
 <struts>
 	<constant name="struts.devMode" value="true" />
 	<package name="default" namespace="/" extends="struts-default">
		<action name="longProcessAction" 
			class="com.mkyong.common.action.LongProcessAction" >
			<interceptor-ref name="execAndWait">
		        <param name="delay">1000</param>
		        <param name="delaySleepInterval">500</param>
		    </interceptor-ref>
		    
		    <result name="wait">pages/wait.jsp</result>
		    <result name="success">pages/success.jsp</result>
		</action>
	</package>
</struts>

[u][b]LongProcessAction.java[/b][/u]
package com.mkyong.common.action;

import com.opensymphony.xwork2.ActionSupport;

public class LongProcessAction extends ActionSupport{
	private static final long serialVersionUID = 1L;
	private String name;
	private String salary;
	public String execute() throws Exception {
		for(int i =0; i<1000000; i++){
			System.out.println(getSalary()+" "+getName());
		}
		return SUCCESS;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getSalary() {
		return salary;
	}
	public void setSalary(String salary) {
		this.salary = salary;
	}
}

sri ram kotireddy

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Posts: 16

posted 12 years ago

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In the above code, I am getting null values for the salary and name.

Can you please help me with that?

Ram.

sri ram kotireddy

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Posts: 16

posted 12 years ago

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Hi I did some research and came to know that, while using execAndWait interceptor the session will be lost. So the action class must implement the SessionAware.

I tried this one but seems to be not working for me.

Any Suggessions Ranchers.

Thanks in advance.
Ram.

Mohana Rao Sv

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Posts: 485

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posted 12 years ago

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Here you are configured executeAndWait interceptor explicitly so it's not going execute your default interceptor that's why your properties not available in your action. And add completeStack reference.

sri ram kotireddy

Greenhorn

Posts: 16

posted 12 years ago