Hello Every one
I m new Struts 2 and i m trying to upload a image on server with the help of struts 2 but i was unable to do that i m pasting my code here ..
please tell where i m wrong

here is my action class

package com.webportal.admin.action;

import java.io.File;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.io.FileUtils;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.ServletRequestAware;

import com.opensymphony.xwork2.ActionSupport;
import com.webportal.admin.model.ImageDetail;

public class SetInfo extends ActionSupport implements ServletRequestAware{
    private ImageDetail imageDetailBean;
    HttpServletRequest servletRequest;
        private static final long serialVersionUID = 1L;

public String execute() throws Exception
        boolean done=upload();
        return "success";
        return "input"
    private boolean upload() { 
            try {
                    String filePath = servletRequest.getSession().getServletContext().getContextPath();
                    System.out.println("\nServer path:" + filePath+"      "+imageDetailBean.getLogoName()+"......."); 
                    File fileToCreate = new File(filePath, imageDetailBean.getLogoName());
                    FileUtils.copyFile(imageDetailBean.getLogo(), fileToCreate);
                } catch (Exception e) {

                    return false;
                return true;


    public ImageDetail getImageDetailBean() {
        return imageDetailBean;

    public void setImageDetailBean(ImageDetail imageDetailBean) {
        this.imageDetailBean = imageDetailBean;

    public void setServletRequest(HttpServletRequest servletRequest) {
            this.servletRequest = servletRequest;

my beans class is

package com.webportal.admin.model;

import java.io.File;

public class ImageDetail {

    private String logoContentType;
    private String logoName;
    private File logo;

    public File getLogo() {
        return logo;
    public void setLogo(File logo) {
        this.logo = logo;

    public String getLogoContentType() {
        return logoContentType;
    public void setLogoContentType(String logoContentType) {
        this.logoContentType = logoContentType;

    public String getLogoName() {
        return logoName;

    public void setLogoName(String logoName) {
        this.logoName = logoName;

public ImageDetail() {
        System.out.print("from the constructor Image detail");


now my jsp from where i set my bean

    <s:form action="settingHeader" cssClass="form" enctype="multipart/form-data" method="post"  >
           <s:div cssClass="fileinputs">
                <s:file  key="imageDetailBean.logo"  />

my property file


<action name="settingHeader" class="com.webportal.admin.action.SetInfo" method="execute" >
            <interceptor-ref name="fileUpload">
                <param name="maximumSize">2097152</param>
                <param name="allowedTypes">
            <interceptor-ref name="defaultStack">
            <result name="input">/success.jsp</result>
            <result name="success">/error.jsp</result>

when i deploy my application i got nullpointerexception on line number 30 and on line number 29 it prints null on server
please suggest me what can i do...
thanking you

Edited by bhallarahul: spelling mistake

4 Years
Discussion Span
Last Post by singh1720

In line number 29 and 30 the code

System.out.println("\nServer path:"+filePath+" "+imageDetailBean.getLogoName()+"......."); 
File fileToCreate = new File(filePath, imageDetailBean.getLogoName());

Rename the code setLogoName -> setLogoFileName

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