Applet digital certificate is diplaying before applet loads

Hi All,
I have a drop-down in a jsp page. I want to display a signed applet when I select a particular option from that drop-down list.
In http mode the digital certificate is displaying only when I select that particular option from dropdown list. (working fine)
Problem:
But in https mode the digital certificate is diplaying whenever that jsp loads.(i.e. certificate is diplaying before selecting an value from dropdown list)
Suggestions please.
Thanks,
Krishna

I am having a similar issue. Clients using a system running an old version of Crystal Reports are encountering a warning that the digital signature has expired. It appears to only affect clients using Java 1.5.0 and newer.
Is there a way to update the digital signature?

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This is my full code
package dir.yew;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import java.applet.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.event.*;
public class DirTree
 extends JPanel {
 public static final String APP_NAME = "Directories Tree";
 public static final ImageIcon ICON_COMPUTER =
 new ImageIcon("computer.gif");
 public static final ImageIcon ICON_DISK =
 new ImageIcon("disk.gif");
 public static final ImageIcon ICON_FOLDER =
 new ImageIcon("folder.gif");
 public static final ImageIcon ICON_EXPANDEDFOLDER =
 new ImageIcon("expandedfolder.gif");
 protected JTree m_tree;
 protected DefaultTreeModel m_model;
 protected JTextField m_display;
 public DirTree() {
 DefaultMutableTreeNode top = new DefaultMutableTreeNode(
 new IconData(ICON_COMPUTER, null, "My Computer"));
 DefaultMutableTreeNode node;
 File[] roots = File.listRoots();
 for (int k=0; k<roots.length; k++) {
 node = new DefaultMutableTreeNode(new IconData(ICON_DISK,
 null, new FileNode(roots[k])));
 top.add(node);
 node.add( new DefaultMutableTreeNode(new Boolean(true)));
 m_model = new DefaultTreeModel(top);
 m_tree = new JTree(m_model);
 m_tree.putClientProperty("JTree.lineStyle", "Angled");
 IconCellRenderer renderer = new
 IconCellRenderer();
 m_tree.setCellRenderer(renderer);
 m_tree.addTreeExpansionListener(new
 DirExpansionListener());
 m_tree.addTreeSelectionListener(new
 DirSelectionListener());
 m_tree.getSelectionModel().setSelectionMode(
 TreeSelectionModel.SINGLE_TREE_SELECTION);
 m_tree.setShowsRootHandles(true);
 m_tree.setEditable(false);
 JScrollPane splitPane = new JScrollPane(
 new JScrollPane(m_tree)
 setLayout( new BorderLayout() );
 add( splitPane );
 DefaultMutableTreeNode getTreeNode(TreePath path) {
 return (DefaultMutableTreeNode)(path.getLastPathComponent());
 FileNode getFileNode(DefaultMutableTreeNode node) {
 if (node == null)
 return null;
 Object obj = node.getUserObject();
 if (obj instanceof IconData)
 obj = ((IconData)obj).getObject();
 if (obj instanceof FileNode)
 return (FileNode)obj;
 else
 return null;
 class DirExpansionListener implements TreeExpansionListener {
 public void treeExpanded(TreeExpansionEvent event) {
 final DefaultMutableTreeNode node = getTreeNode(
 event.getPath());
 final FileNode fnode = getFileNode(node);
 Thread runner = new Thread() {
 public void run() {
 if (fnode != null && fnode.expand(node)) {
 Runnable runnable = new Runnable() {
 public void run() {
 m_model.reload(node);
 SwingUtilities.invokeLater(runnable);
 runner.start();
 public void treeCollapsed(TreeExpansionEvent event) {}
 class DirSelectionListener
 implements TreeSelectionListener {
 public void valueChanged(TreeSelectionEvent event) {
 DefaultMutableTreeNode node = getTreeNode(
 event.getPath());
 FileNode fnode = getFileNode(node);
 if (fnode != null)
 m_display.setText(fnode.getFile().
 getAbsolutePath());
 else
 m_display.setText("");
 public static void main(String argv[]) {
 JFrame frame= new JFrame( "FileSystem Viewer");
 DirTree dir = new DirTree();
 frame.getContentPane().add(dir);
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 frame.pack();
 frame.setVisible(true);
class IconCellRenderer
 extends DefaultTreeCellRenderer {
 public IconCellRenderer() {
 setLeafIcon(null);
 setOpenIcon(null);
 public Component getTreeCellRendererComponent(JTree tree,
 Object value, boolean sel, boolean expanded, boolean leaf,
 int row, boolean hasFocus) {
 // Invoke default implementation
 Component result = super.getTreeCellRendererComponent(tree,
 value, sel, expanded, leaf, row, hasFocus);
 DefaultMutableTreeNode node =
 (DefaultMutableTreeNode)value;
 Object obj = node.getUserObject();
 setText(obj.toString());
 if (obj instanceof Boolean)
 setText("Retrieving data...");
 if (obj instanceof IconData) {
 IconData idata = (IconData)obj;
 if (expanded)
 setIcon(idata.getExpandedIcon());
 else
 setIcon(idata.getIcon());
 else
 setIcon(null);
 return result;
class IconData {
 protected Icon m_icon;
 protected Icon m_expandedIcon;
 protected Object m_data;
 public IconData(Icon icon, Object data) {
 m_icon = icon;
 m_expandedIcon = null;
 m_data = data;
 public IconData(Icon icon, Icon expandedIcon, Object data) {
 m_icon = icon;
 m_expandedIcon = expandedIcon;
 m_data = data;
 public Icon getIcon() {
 return m_icon;
 public Icon getExpandedIcon() {
 return m_expandedIcon!=null ? m_expandedIcon : m_icon;
 public Object getObject() {
 return m_data;
 public String toString() {
 return m_data.toString();
class FileNode {
 protected File m_file;
 public FileNode(File file) {
 m_file = file;
 public File getFile() {
 return m_file;
 public String toString() {
 return m_file.getName().length() > 0 ? m_file.getName() :
 m_file.getPath();
 // Alternatively we copud sub-class TreeNode
 public boolean expand(DefaultMutableTreeNode parent) {
 DefaultMutableTreeNode flag =
 (DefaultMutableTreeNode)parent.getFirstChild();
 if (flag==null) // No flag
 return false;
 Object obj = flag.getUserObject();
 if (!(obj instanceof Boolean))
 return false; // Already expanded
 parent.removeAllChildren(); // Remove Flag
 File[] files = listFiles();
 if (files == null)
 return true;
 Vector v = new Vector();
 for (int k=0; k<files.length; k++) {
 File f = files[k];
 if (!(f.isDirectory()))
 continue;
 FileNode newNode = new FileNode(f);
 boolean isAdded = false;
 for (int i=0; i<v.size(); i++) {
 FileNode nd = (FileNode)v.elementAt(i);
 if (newNode.compareTo(nd) < 0) {
 v.insertElementAt(newNode, i);
 isAdded = true;
 break;
 if (!isAdded)
 v.addElement(newNode);
 for (int i=0; i<v.size(); i++) {
 FileNode nd = (FileNode)v.elementAt(i);
 IconData idata = new IconData(DirTree.ICON_FOLDER,
 DirTree.ICON_EXPANDEDFOLDER, nd);
 DefaultMutableTreeNode node = new
 DefaultMutableTreeNode(idata);
 parent.add(node);
 if (nd.hasSubDirs())
 node.add(new DefaultMutableTreeNode(
 new Boolean(true) ));
 return true;
 public boolean hasSubDirs() {
 File[] files = listFiles();
 if (files == null)
 return false;
 for (int k=0; k<files.length; k++) {
 if (files[k].isDirectory())
 return true;
 return false;
 public int compareTo(FileNode toCompare) {
 return m_file.getName().compareToIgnoreCase(
 toCompare.m_file.getName() );
 protected File[] listFiles() {
 if (!m_file.isDirectory())
 return null;
 try {
 return m_file.listFiles();
 catch (Exception ex) {
 JOptionPane.showMessageDialog(null,
 "Error reading directory "+m_file.getAbsolutePath(),
 DirTree.APP_NAME, JOptionPane.WARNING_MESSAGE);
 return null;
}

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I am trying to create my IPA, I have gone through all the steps to create my certificates etc from Apple but keep getting the above error message when I try to publish my file. (I am using the Flash CS5 iphone packager, not the command line) Mac OSX
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Message was edited by:
 Murali Babu Pallabothula

HI,
See the below links
HTTP* Errors /people/krishna.moorthyp/blog/2006/07/23/http-errors-in-xi
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/55ba9790-0201-0010-aa98-ce8f51ea93cd
also see the below links may be useful..
See the below links
/people/sap.user72/blog/2005/06/16/using-digital-signatures-in-xi
SAP Java Cryptographic Toolkit
http://help.sap.com/saphelp_nw04/helpdata/en/8d/cb71b8046e6e469bf3dd283104e65b/content.htm
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/55ba9790-0201-0010-aa98-ce8f51ea93cd
http://help.sap.com/saphelp_nw04/helpdata/en/fb/322f41d606ef23e10000000a155106/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/45/341a2176b74002e10000000a155369/frameset.htm
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Certificates Vs Digital Signatures
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message level security: difference digital signature and certificate
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Applet digital certificate is diplaying before applet loads

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