Fetching data is very slow in workspace for planning application

Hello Everyone,
I am working in the web environment of a planning application and recently I have seen some issue's like Fetching data is very slow through webform's and the system will locking automatically and which kick me off from workspace when I refresh.So could you suggest me like what would be the reason's for this issue's.
Thanks in advance

Hi,
Sounds like your form is very large or there are maybe a lot of dynamic calcs on the retrieval. How many rows and columns have you on the form ? Have you dense or sparse dimensions as rows or columns?
Brian

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AntonyMack wrote:
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public class BrowserFrame extends javax.swing.JFrame {
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                System.out.println(exc);
            catch(IOException exc) {
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Now it is all.
package webbrowser;
import java.net.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
public class BrowserFrame extends javax.swing.JFrame {
    /** Creates new form BrowserFrame */
    public BrowserFrame() {
        initComponents();
        loadUrlsFromHistoryFile();
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">
    private void initComponents() {
        addressLabel = new javax.swing.JLabel();
        goButton = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        pageEditorPane = new javax.swing.JEditorPane();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        homeButton = new javax.swing.JButton();
        refreshButton = new javax.swing.JButton();
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        menuBar = new javax.swing.JMenuBar();
        fileMenu = new javax.swing.JMenu();
        openFileMenuItem = new javax.swing.JMenuItem();
        exitMenuItem = new javax.swing.JMenuItem();
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        historyMenuItem = new javax.swing.JMenuItem();
        pageSourceMenuItem = new javax.swing.JMenuItem();
        toolsMenu = new javax.swing.JMenu();
        preferencesMenuItem = new javax.swing.JMenuItem();
        helpMenu = new javax.swing.JMenu();
        aboutMenuItem = new javax.swing.JMenuItem();
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        setTitle("Surf Rider");
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                formWindowClosing(evt);
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            pageLoadProgressBar.setIndeterminate(true);
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            return address;
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            try {
                url = new URL(address);
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                System.out.println(exc);
            catch(IOException exc) {
                System.out.println(exc);
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                System.out.println(exc);
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// TODO add your handling code here:
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            // User has typed in a string; only possible with an editable combobox
            goButtonActionPerformed(evt);
        else if ("comboBoxChanged".equals(evt.getActionCommand())) {
            // User has selected an item; it may be the same item
    // Action performed when goButton's Action Listener listens to an event. This
    // event is passed here as a parameter (evt). When a valid URL is inserted, the
    // pageEditorPane is set to that URL.
    private void goButtonActionPerformed(java.awt.event.ActionEvent evt) {
        // 6 spaces added to the address. This is done for control reasons. Below we
        // use substring which causes exception when those spaces do not exist.
        String address = addressComboBox.getSelectedItem() + "      ";
        if(addressComboBox.getSelectedItem() == null || address.equalsIgnoreCase("      ") || address.equalsIgnoreCase("http://      ")) {
            JOptionPane.showMessageDialog(null, "No address specified.", "No address", javax.swing.JOptionPane.ERROR_MESSAGE);
        else {
            if(!address.substring(0, 7).equalsIgnoreCase("http://"))
                address = "http://" + address;
                RetrievePageTask retrievePageTask = new RetrievePageTask(address);
                retrievePageTask.execute();
    // Action performed when closing the form window
    private void formWindowClosing(java.awt.event.WindowEvent evt) {
        try {
            addUrlsToHistoryFile(historyMem);
        catch(IOException exc) {
            System.out.println(exc);
    /* This method is used to handle the case in which the user clicks on a hyperlink.
     In this case the pageEditorPane must present the contents of the URL that was
     clicked. This URL is retrieved from the evt object (which is a parameter to this
     method) with the method getURL().
    private void pageEditorPaneHyperlinkUpdate(javax.swing.event.HyperlinkEvent evt) {
        if(evt.getEventType() == javax.swing.event.HyperlinkEvent.EventType.ACTIVATED) {
             RetrievePageTask retrievePageTask = new RetrievePageTask(evt.getURL().toString());
            retrievePageTask.execute();
    // This method adds the visited URLs to the addressComboBox's item list. It takes as a
    // parameter the URL which is going to be added. If the URL is already in the list, then
    // it is not added again.
    private void addUrlToAddressComboBox(String url_str) {
        // number of items in the combo box's list
        int itemCount = addressComboBox.getItemCount();
        for(int i = 0; i < itemCount; i++) {
            if(url_str.equalsIgnoreCase((String)addressComboBox.getItemAt(i)))
                return;
        addressComboBox.addItem(url_str);
        historyMem.add(url_str);
    // This method adds the visited URLs to the history file. It takes as a parameter the URL
    // which is going to be added.
    private void addUrlsToHistoryFile(Vector url_history) throws IOException {
        PrintWriter outputStream = null;
        try {
            outputStream = new PrintWriter(new FileWriter("history.txt"));
            for(int i = 0; i < url_history.size(); i++)
                outputStream.println((String)url_history.get(i));
        finally {
            if(outputStream != null) {
                outputStream.close();
     * @param args the command line arguments
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                BrowserFrame surfRider = new BrowserFrame();
                surfRider.setVisible(true);
    // Variables declaration - do not modify
    private javax.swing.JMenuItem aboutMenuItem;
    private javax.swing.JComboBox addressComboBox;
    private javax.swing.JLabel addressLabel;
    private javax.swing.JMenuItem exitMenuItem;
    private javax.swing.JMenu fileMenu;
    private javax.swing.JButton goButton;
    private javax.swing.JMenu helpMenu;
    private javax.swing.JMenuItem historyMenuItem;
    private javax.swing.JButton homeButton;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JMenuItem openFileMenuItem;
    private javax.swing.JEditorPane pageEditorPane;
    private javax.swing.JProgressBar pageLoadProgressBar;
    private javax.swing.JMenuItem pageSourceMenuItem;
    private javax.swing.JMenuItem preferencesMenuItem;
    private javax.swing.JButton refreshButton;
    private javax.swing.JLabel statusLabel;
    private javax.swing.JMenu toolsMenu;
    private javax.swing.JMenu viewMenu;
    // End of variables declaration
    // Variables decleration - able to modify
    private Vector<String> historyMem = new Vector<String>();
    private String homePage = "http://www.kaissa.gr";
    // End of variables decleration
    // PUBLIC METHODS
    // Get and Set methods for the private variables declared above
    public Vector getHistoryMem() {
        return historyMem;
    public void setHistoryMem(Vector<String> newHM) {
        historyMem = newHM;
    public String getHomePage() {
        return homePage;
    public void setHomePage(String newHP) {
        homePage = newHP;
}

Very slow scrolling in some (Apple) applications

In some applications, like iTunes and iMovie, the scrolling is very slow. The import function in iMovie in particular, opens a typical OS X "Open file" window, except that it's unbearably slow. Even scrolling one file down triggers the spinning beach ball. This problem probably occurs in several other apps, except I don't use them much. There doesn't seem to be a convincing reason why the performance would drop so dramatically doing such a simple task.
This problem has existed since Leopard. Is it fixable?

You might want to look at either booting from your install dvd (insert, restart and hold 'C' down) and running disk repair from Utilities. Alternatively, and I always suggest any Mac user should have at least one, a 3rd party disk utility like DiskWarrior (there are others) is extremely useful.

Fetching data is very slow in workspace for planning application

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