Uploading an image is not working in jsff

Question

Hi.,
Am using jdeveloper 11.1.1.6.,
I have used the following link to upload the image in jsff
http://www.baigzeeshan.com/2010/08/uplaoding-and-downloading-images-in.html
This is workig perfectly in a jsps page but when i used jsff page am getting exception
    private BlobDomain createBlobDomain (UploadedFile file) throws IOException,
                                                                  SQLException {
        InputStream in = null;
        BlobDomain blobDomain = null;
        OutputStream out = null;
        try{
            in= file.getInputStream();    // am getting null pointer exception
            blobDomain = new BlobDomain();
            out = blobDomain.getBinaryOutputStream();
            byte[] buffer = new byte[8192];
            int bytesRead = 0;
            while ((bytesRead = in.read(buffer,0,8192))!= -1){
                out.write(buffer,0,bytesRead);
        catch (Exception e){
            e.printStackTrace();
        return blobDomain;
    }Pls help me to resolve this.,

Answer 1

Thank's for your response John.,
This is the log which am getting
java.lang.NullPointerException
     at view.imageServlet.doGet(imageServlet.java:53)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
     at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)This s the doget() method which i have used
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response) throws ServletException,
                                                           IOException {
        response.setContentType(CONTENT_TYPE);
        String eno = request.getParameter("id");
        OutputStream os = response.getOutputStream();
        Connection con = null;
        try{
            Context ctx = new InitialContext();
            DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/UIConnDS");
            con = ds.getConnection();
            PreparedStatement stmt =  con.prepareStatement("SELECT eei_emp_id,eei_emp_image " +
                                      "FROM ess_emp_image " +
                                      "WHERE eei_emp_id = ?");
            stmt.setString(1, eno);
            ResultSet rs = stmt.executeQuery();
            if (rs.next()) {
                Blob blob = rs.getBlob("eei_emp_image");
                BufferedInputStream in =  new BufferedInputStream(blob.getBinaryStream());    //This is the part where exception is showing now.
                int b;
                byte[] buffer = new byte[10240];
                while ((b = in.read(buffer, 0, 10240)) != -1) {
                    os.write(buffer, 0, b);
                os.close();
                catch (Exception e){
                    e.printStackTrace();
        finally {
                    try {
                        if (con != null) {
                            con.close();
                    } catch (SQLException sqle) {
                        System.out.println("SQLException error");
        }