Problem with focus on applet - jvm1.6

Hi,
I have a problem with focus on applet in html page with tag object using jvm 1.6.
focus on applet work fine when moving with tab in a IEbrowser page with applet executed with jvm 1.5_10 or sup, but the same don't work with jvm1.6 or jvm 1.5 with plugin1.6.
with jvm 1.5 it's possible to move focus on elements of IEbrowser page and enter and exit to applet.
i execut the same applet with the same jvm, but after installation of plugin 1.6, when applet gain focus don't release it.
instead if i execute the same applet with jvm 1.6, applet can't gain focus and manage keyevent, all keyevent are intercepted from browser page.
(you can find an example on: http://www.vista.it/ita_vista_0311_video_streaming_accessibile_demo.php)
Any idea?
Thanks

Hi piotrek1130sw,
From what you have described, I think the best approach would be to restore the original IDT driver, restart the computer, test that driver, then install the driver update, and test the outcome of installing the newest driver.
Use the following link for instructions to recovery the ITD driver using Recovery Manager. Restoring applications and drivers.
Once the driver is restored, restart the computer and test the audio. If the audio is good you can continue to use this driver, or you can reinstall the update and see what happens. IDT High-Definition (HD) Audio Driver.
If installing the newest driver causes the issue to occur but the recovered driver worked, I suggest recovering again.
If neither driver works I will gladly follow up and provide any assistance I can.
Please let me know the outcome.
Please click the Thumbs up icon below to thank me for responding.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Sunshyn2005 - I work on behalf of HP

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Problem with GUI in applet

Hai to all,
I am having a problem with GUI in applets
My first class extends a JPanel named A_a
import javax.swing .*;
import java.awt.*;
import java.awt.event.*;
public class A_a extends JPanel
JButton jb;
JTextArea text;
public A_a()
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jb=new JButton("Click me");
//add(jb);
text=new JTextArea(5,20);
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A_a a = new A_a();
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and then I am using other class B_b which is an applet carries a exitsing panel (A_a) inside it .
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public void init()
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and the I am using the second applet C_c in which by performing a button action the old panel A_a should get removed and replace the new panel D_a (which is not here )in the applet B_b with all other components(namely button , text fields etc)
import javax.swing .*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.util.*;
public class C_c extends JApplet implements ActionListener
JButton jbt;
JTextArea jta;
public void init()
getContentPane().setLayout(new FlowLayout());
jbt=new JButton("Click me");
jbt.addActionListener(this);
getContentPane().add(jbt);
jta=new JTextArea(5,20);
getContentPane().add(jta);
public void actionPerformed(ActionEvent ae)
Enumeration e = getAppletContext().getApplets();
Applet applets = null;
while(e.hasMoreElements())
applets=(Applet)e.nextElement();
if ( applets instanceof B_b)
System.out.println("I AM CLASS C_c");
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((B_b)applets).remove());
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both the applets C_c and B_b are in same browser page
How can i achive that pls help .

Just to make the code readable...
import javax.swing .*;
import java.awt.*;
import java.awt.event.*;
public class A_a extends JPanel
JButton jb;
JTextArea text;
public A_a()
setLayout(new FlowLayout());
jb=new JButton("Click me");
//add(jb);
text=new JTextArea(5,20);
add(text);
public void text_appendText(String aa)
System.out.println("I AM IN A_a");
text.append(aa);
text.revalidate();
revalidate();
/*public static void main(String ags[])
A_a a = new A_a();
JFrame frame=new JFrame();
frame.getContentPane().add(a);
frame.pack();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) { System.exit(0); }
frame.setSize(200,200);
frame.show();
}and then I am using other class B_b which is an applet carries a exitsing panel (A_a) inside it .
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class B_b extends JApplet
public A_a a;
public void init()
a=new A_a();
getContentPane().add(a);
public void text_appendText(String aa)
final String aaa =aa;
new Thread(new Runnable()
public void run()
a=new A_a();
a.setBackground(new java.awt.Color(255,200,200));
System.out.println("I AM IN B_b");
a.text.append(aaa);
a.text.revalidate();
getContentPane().remove(a);
resize(500,500);
}).start();
}and the I am using the second applet C_c in which by performing a button action the old panel A_a should get removed and replace the new panel D_a (which is not here )in the applet B_b with all other components(namely button , text fields etc)
import javax.swing .*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.util.*;
public class C_c extends JApplet implements ActionListener
JButton jbt;
JTextArea jta;
public void init()
getContentPane().setLayout(new FlowLayout());
jbt=new JButton("Click me");
jbt.addActionListener(this);
getContentPane().add(jbt);
jta=new JTextArea(5,20);
getContentPane().add(jta);
public void actionPerformed(ActionEvent ae)
Enumeration e = getAppletContext().getApplets();
Applet applets = null;
while(e.hasMoreElements())
applets=(Applet)e.nextElement();
if ( applets instanceof B_b)
System.out.println("I AM CLASS C_c");
((B_b)applets).text_appendText(jta.getText());
((B_b)applets).remove());
((B_b)applets).getContentPane().add(D_d);
}

Problem with focus border and ListCellRenderer in custom listbox

I have a bug in some code that I adapted from another posting on this board -- basically what I've done is I have a class that implements a custom "key/value" mapping listbox in which each list item/cell is actually a JPanel consisting of 3 JLabels: the first label is the "key", the second is a fixed "==>" mapping string, and the 3rd is the value to which "key" is mapped.
The code works fine as long as the list cell doesn't have the focus. When it does, it draws a border rectangle to indicate focus, but if the listbox needs to scroll horizontally to display all the text, part of the text gets cut off (i.e. "sometex..." where "sometext" should be displayed).
The ListCellRenderer creates a Gridlayout to lay out the 3 labels in the cell's JPanel.
What can I do to remedy this situation? I'm not sure what I'd need to do in terms of setting the size of the panel so that all the text gets displayed OK within the listbox. Or if there's something else I can do to fix this. The code and a main() to run the code are provided below. To reproduce the problem, click the Add Left and Add Right buttons to add a "mapping" -- when it doesn't have focus, everything displays fine, but when you give it focus, note the text on the right label gets cut off.
//======================================================================
// Begin Source Listing
//======================================================================
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Collection;
import java.util.Iterator;
import java.util.Vector;
import java.util.Enumeration;
public class TwoColumnListbox extends JPanel
private JList m_list;
private JScrollPane m_Pane;
public TwoColumnListbox(Collection c)
     DataMapListModel model = new DataMapListModel();
     if (c != null)
     Iterator it = c.iterator();
     while (it.hasNext())
     model.addElement(it.next());
     m_list = new JList(model);
     ListBoxRenderer renderer= new ListBoxRenderer();
          m_list.setCellRenderer(renderer);
          setLayout(new BorderLayout());
          m_list.setVisibleRowCount(4);
          m_Pane = new JScrollPane(m_list);
          add(m_Pane, BorderLayout.NORTH);
public JList getList()
return m_list;
public JScrollPane getScrollPane()
return m_Pane;
public static void main(String s[])
          JFrame frame = new JFrame("TwoColumnListbox");
          frame.addWindowListener(new WindowAdapter() {
          public void windowClosing(WindowEvent e) {System.exit(0);}
final DataMappings dm = new DataMappings();
final TwoColumnListbox lb = new TwoColumnListbox(dm.getMappings());
          final DataMap map = new DataMap();
          JButton leftAddBtn = new JButton("Add Left");
          leftAddBtn.addActionListener(new ActionListener() {
          public void actionPerformed(ActionEvent e)
          map.setSource("JButton1");
          DefaultListModel model = new DefaultListModel();
          model.addElement(map);
          lb.getList().setModel(model);
          JButton leftRemoveBtn = new JButton("Remove Left");
          leftRemoveBtn.addActionListener(new ActionListener() {
          public void actionPerformed(ActionEvent e)
          map.setSource("");
          DefaultListModel model = new DefaultListModel();
          model.addElement(map);
          lb.getList().setModel(model);
          JButton rightAddBtn = new JButton("Add Right");
rightAddBtn.addActionListener(new ActionListener() {
          public void actionPerformed(ActionEvent e)
          map.setDestination("/getQuote/symbol[]");
          DefaultListModel model = new DefaultListModel();
          model.addElement(map);
          lb.getList().setModel(model);
          JButton rightRemoveBtn = new JButton("Remove Right");
rightRemoveBtn.addActionListener(new ActionListener() {
          public void actionPerformed(ActionEvent e)
          map.setDestination("");
          DefaultListModel model = new DefaultListModel();
          model.addElement(map);
          lb.getList().setModel(model);
          JPanel leftPanel = new JPanel(new BorderLayout());
          leftPanel.add(leftAddBtn, BorderLayout.NORTH);
          leftPanel.add(leftRemoveBtn, BorderLayout.SOUTH);
JPanel rightPanel = new JPanel(new BorderLayout());
          rightPanel.add(rightAddBtn, BorderLayout.NORTH);
          rightPanel.add(rightRemoveBtn, BorderLayout.SOUTH);
frame.getContentPane().add(leftPanel, BorderLayout.WEST);
          frame.getContentPane().add(lb,BorderLayout.CENTER);
frame.getContentPane().add(rightPanel, BorderLayout.EAST);
          frame.pack();
          frame.setVisible(true);
     class ListBoxRenderer extends JPanel implements ListCellRenderer
          private JLabel left;
          private JLabel arrow;
          private JLabel right;
          private Color clrForeground = UIManager.getColor("List.foreground");
private Color clrBackground = UIManager.getColor("List.background");
private Color clrSelectionForeground = UIManager.getColor("List.selectionForeground");
private Color clrSelectionBackground = UIManager.getColor("List.selection.Background");
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               //setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
               left = new JLabel("");
               left.setForeground(clrForeground);
               arrow = new JLabel("");
               arrow.setHorizontalAlignment(SwingConstants.CENTER);
               arrow.setForeground(clrForeground);
               right = new JLabel("");
               right.setHorizontalAlignment(SwingConstants.RIGHT);
               right.setForeground(clrForeground);
               add(left);
               add(arrow);
               add(right);
          public Component getListCellRendererComponent(JList list, Object value,
                    int index, boolean isSelected, boolean cellHasFocus)
               if (isSelected)
                    setBackground(list.getSelectionBackground());
                    setForeground(list.getSelectionForeground());
                    left.setForeground(clrSelectionForeground);
                    arrow.setForeground(clrSelectionForeground);
                    right.setForeground(clrSelectionForeground);
               else
                    setBackground(list.getBackground());
                    setForeground(list.getForeground());
               left.setForeground(clrForeground);
                    arrow.setForeground(clrForeground);
                    right.setForeground(clrForeground);
               // draw focus rectangle if control has focus. Problem with focus
// and cut off text!!
               if (cellHasFocus)
               // FIXME: for Windows LAF I'm not getting the correct thing here for some reason.
               // Looks OK on Metal though.
               setBorder(BorderFactory.createLineBorder(UIManager.getColor("focusCellHighlightBorder")));
               else
               setBorder(BorderFactory.createEmptyBorder());
DataMap map = (DataMap) value;
               String displaySource = map.getSource();
               String displayDest = map.getDestination();
               left.setText(displaySource);
               arrow.setText("=>to<=");
               right.setText(displayDest);
               return this;
/** Interface for macro editor UI
* @version 1.0
class DataMappings
private Collection mappings;
public DataMappings()
setMappings(new Vector(0));
public DataMappings(Collection maps)
setMappings(maps);
/** gets mapping value of a specified source object
* @param src -- the "key" or source object, what is mapped.
* @return what the source object is mapped to
* @version 1.0
public Object getValue(String src)
if (src != null)
Iterator it = mappings.iterator();
while (it.hasNext());
DataMap thisMap = (DataMap) it.next();
if (thisMap.getSource().equals(src))
return thisMap.getDestination();
return null;
/** sets mapping value of a specified source object
* @param src -- the "key" or source object, what is mapped.
* @param what the source object is to be mapped to
* @version 1.0
public void setValue(String src, String dest)
if (src != null)
// see if the value is in there first.
Iterator it = mappings.iterator();
while (it.hasNext())
DataMap thisMap = (DataMap) it.next();
if (thisMap.getSource().equals(src))
thisMap.setDestination(dest);
return;
// not in the collection, add it
mappings.add(new DataMap(src, dest));
/** gets collection of mappings
* @return a collection of all mappings in this object.
* @version 1.0
public Collection getMappings()
return mappings;
/** sets collection of mappings
* @param maps a collection of src to destination mappings.
* @version 1.0
public void setMappings(Collection maps)
mappings = maps;
/** adds a DataMap
* @param map a DataMap to add to the mappings
* @version 1.0
public void add(DataMap map)
if (map != null)
mappings.add(map);
class DataMap
public DataMap() {}
public DataMap(String source, String destination)
m_source = source;
m_destination = destination;
public String getSource()
return m_source;
public void setSource(String s)
m_source = s;
public String getDestination()
return m_destination;
public void setDestination(String s)
m_destination = s;
protected String m_source = null;
protected String m_destination = null;
/** list model for datamaps that provides ways
* to determine whether a source is already mapped or
* a destination is already mapped.
class DataMapListModel extends DefaultListModel
public DataMapListModel()
super();
/** determines whether a source is already mapped
* @param src -- the source property of a datamapping
* @return true if the source is in the list, false if not
public boolean containsSource(Object src)
Enumeration enum = elements();
while (enum.hasMoreElements())
DataMap dm = (DataMap) enum.nextElement();
if (dm.getSource().equals(src))
return true;
return false;
/** determines whether a destination is already mapped
* @param dest -- the destination property of a datamapping
* @return true if the destination is in the list, false if not
public boolean containsDest(Object dest)
Enumeration enum = elements();
while (enum.hasMoreElements())
DataMap dm = (DataMap) enum.nextElement();
if (dm.getDestination().equals(dest))
return true;
return false;
public DataMappings getDataMaps()
DataMappings maps = new DataMappings();
// add all the datamaps in the model
Enumeration enum = elements();
while (enum.hasMoreElements())
DataMap dm = (DataMap) enum.nextElement();
maps.add(dm);
return maps;
//======================================================================
// End of Source Listing
//======================================================================

I did not read the program, but the chopping looks like a layout problem.
I think it's heavy to use a panel + 3 components in a gridlayout for each cell. look at this sample where i draw the Cell myself,
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
public class Jlist3 extends JFrame
     Vector      v = new Vector();
     JList       jc = new JList(v);
     JScrollPane js = new JScrollPane(jc);
public Jlist3()
     addWindowListener(new WindowAdapter()
    {     public void windowClosing(WindowEvent ev)
          {     dispose();
               System.exit(0);}});
     for (int j=0; j < 70; j++)     v.add(""+j*1000+"a d"+j);
     setBounds(1,1,400,310);
     getContentPane().add(js);
     js.setPreferredSize(new Dimension(230,259));
     jc.setSelectedIndex(1);
     jc.setCellRenderer(new MyCellRenderer());
     getContentPane().setLayout(new FlowLayout());
     setVisible(true);
public class MyCellRenderer extends JLabel implements ListCellRenderer
     String txt;
     int     idx;
     boolean sel;
public Component getListCellRendererComponent(JList list,
                         Object value,           // value to display
                         int     index,           // cell index
                         boolean isSelected,      // is the cell selected
                         boolean cellHasFocus)    // the list and the cell have the focus
     idx = index;
     txt = value.toString();
     sel = isSelected;
     setText(txt);
     return(this);
public void paintComponent(Graphics g)
     if (idx%2 == 1) g.setColor(Color.white);
          else        g.setColor(Color.lightGray);
     if (sel)        g.setColor(Color.blue);
     g.fillRect(0,0,getWidth(),getHeight());
     StringTokenizer st = new StringTokenizer(txt.trim()," ");
     g.setColor(Color.black);
     if (st.hasMoreTokens())     g.drawString(st.nextToken(),1,14);
     g.setColor(Color.red);
     g.drawString("===>",70,14);
     g.setColor(Color.black);
     if (st.hasMoreTokens())     g.drawString(st.nextToken(),110,14);
public static void main (String[] args)
     new Jlist3();
Noah
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
public class Jlist3 extends JFrame
     Vector v = new Vector();
     JList jc = new JList(v);
     JScrollPane js = new JScrollPane(jc);
public Jlist3()
     addWindowListener(new WindowAdapter()
{     public void windowClosing(WindowEvent ev)
          {     dispose();
               System.exit(0);}});
     for (int j=0; j < 70; j++)     v.add(""+j*1000+"a d"+j);
     setBounds(1,1,400,310);
     getContentPane().add(js);
     js.setPreferredSize(new Dimension(230,259));
     jc.setSelectedIndex(1);
     jc.setCellRenderer(new MyCellRenderer());
     getContentPane().setLayout(new FlowLayout());
     setVisible(true);
public class MyCellRenderer extends JLabel implements ListCellRenderer
     String txt;
     int idx;
     boolean sel;
public Component getListCellRendererComponent(JList list,
                         Object value, // value to display
                         int index, // cell index
                         boolean isSelected, // is the cell selected
                         boolean cellHasFocus) // the list and the cell have the focus
     idx = index;
     txt = value.toString();
     sel = isSelected;
     setText(txt);
     return(this);
public void paintComponent(Graphics g)
     if (idx%2 == 1) g.setColor(Color.white);
          else g.setColor(Color.lightGray);
     if (sel) g.setColor(Color.blue);
     g.fillRect(0,0,getWidth(),getHeight());
     StringTokenizer st = new StringTokenizer(txt.trim()," ");
     g.setColor(Color.black);
     if (st.hasMoreTokens())     g.drawString(st.nextToken(),1,14);
     g.setColor(Color.red);
     g.drawString("===>",70,14);
     g.setColor(Color.black);
     if (st.hasMoreTokens())     g.drawString(st.nextToken(),110,14);
public static void main (String[] args)
     new Jlist3();
}

Problem with a signed applet and a user machine.

Hello. I´m having some problems with a signed applet with some dependences.
In one particular computer the applet doesn´t load.
The java version installed in that computer is 1.6.0_25.
The invocation tag:
<applet name=applet id="applet" code=Applet/RequestApplet.class width=155 height=21 archive="RequestApplet.jar " MAYSCRIPT>
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</applet>The RequestApplet.jar and dependences:
   bcmail-jdk13-145.jar(signed by bouncy castle), jce-ext-jdk13-145.jar(signed by bouncy castle), AbsoluteLayout.jar, plugin.jar, RequestApplet.jar(signed by me)*this files are all in the same folder.
The requestApplet.jar manifest:
Manifest-Version: 1.0
Ant-Version: Apache Ant 1.7.1
X-COMMENT: Main-Class will be added automatically by build
Class-Path: bcmail-jdk13-145.jar jce-ext-jdk13-145.jar plugin.jar Abso
luteLayout.jar
Created-By: 10.0-b23 (Sun Microsystems Inc.)
Main-Class: Applet.RequestApplet
Name: Applet/ResponseApplet$1.class
SHA1-Digest: fO5IPiwEH3OhvlprhBecmMIAVJI=
Name: Applet/NewJApplet.class
SHA1-Digest: 6XSpm7lQEQRi39TegoUYv2aFJrk=
Name: Applet/ResponseApplet.class
SHA1-Digest: v1EbKUFB+QdvO05xx8UzAMNIyRs=
Name: Applet/ResponseApplet$4.class
SHA1-Digest: XH4I67psXZTelpz0AMAYc/Ej8QY=
Name: Applet/RequestApplet$1.class
SHA1-Digest: KAP5sAC4Thv/6GClkFAdGUVzgYA=
Name: Applet/ResponseApplet$5.class
SHA1-Digest: CVPnKrW2SgNEkRzYnVnQe3KGrIU=
Name: Applet/ResponseApplet$3.class
SHA1-Digest: SjfW1k1K7BA9m3AxmHi+jvRE+9o=
Name: Applet/ResponseApplet$2.class
SHA1-Digest: 3Pu18CZMLuEh7/n3y7XxFSkuNQY=
Name: Applet/RequestApplet.class
SHA1-Digest: Tky85es5+o371adetH9XVEI2Z+o=The error:
java.lang.RuntimeException: java.lang.NoClassDefFoundError: org/bouncycastle/jce/provider/BouncyCastleProvider
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/bouncycastle/jce/provider/BouncyCastleProvider
     at java.lang.Class.getDeclaredConstructors0(Native Method)
     at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
     at java.lang.Class.getConstructor0(Unknown Source)
     at java.lang.Class.newInstance0(Unknown Source)
     at java.lang.Class.newInstance(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$12.run(Unknown Source)
     at java.awt.event.InvocationEvent.dispatch(Unknown Source)
     at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
     at java.awt.EventQueue.access$000(Unknown Source)
     at java.awt.EventQueue$1.run(Unknown Source)
     at java.awt.EventQueue$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
     at java.awt.EventQueue.dispatchEvent(Unknown Source)
     at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.bouncycastle.jce.provider.BouncyCastleProvider
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     ... 20 more

Thanks. I´ll try with your tips. But if i put all the dependences in archive I get this error.
The tag:
<applet name=applet id="applet" CODEBASE="." code="Applet/RequestApplet.class" width=155 height=21 archive="bcmail-jdk13-145.jar, jce-ext-jdk13-145.jar, AbsoluteLayout.jar, plugin.jar, RequestApplet.jar " MAYSCRIPT>
   <param id="parametro1" name="usuario" value="<Computed Value>">
</applet>The error:
Java Plug-in 1.6.0_25
Usar versión JRE 1.6.0_25-b06 Java HotSpot(TM) Client VM
Directorio local del usuario = C:\Documents and Settings\Administrator
c:   borrar ventana de consola
f:   finalizar objetos en la cola de finalización
g:   liberación de recursos
h:   presentar este mensaje de ayuda
l:   volcar lista del cargador de clases
m:   imprimir sintaxis de memoria
o:   activar registro
q:   ocultar consola
r:   recargar configuración de norma
s:   volcar propiedades del sistema y de despliegue
t:   volcar lista de subprocesos
v:   volcar pila de subprocesos
x:   borrar antememoria del cargador de clases
0-5: establecer nivel de rastreo en <n>
basic: Receptor de progreso agregado: sun.plugin.util.GrayBoxPainter$GrayBoxProgressListener@f39b3a
basic: Plugin2ClassLoader.addURL parent called for http://desarrollo.isaltda.com.uy/CertReq.nsf/bcmail-jdk13-145.jar
basic: Plugin2ClassLoader.addURL parent called for http://desarrollo.isaltda.com.uy/CertReq.nsf/jce-ext-jdk13-145.jar
basic: Plugin2ClassLoader.addURL parent called for http://desarrollo.isaltda.com.uy/CertReq.nsf/AbsoluteLayout.jar
basic: Plugin2ClassLoader.addURL parent called for http://desarrollo.isaltda.com.uy/CertReq.nsf/plugin.jar
basic: Plugin2ClassLoader.addURL parent called for http://desarrollo.isaltda.com.uy/CertReq.nsf/RequestApplet.jar

Problems with focus on mac

I'm making a Comunity system for online games, and i got a problem with keyFocus in java.awt.Window on MAC (OS9 & X).
I have some popup dialog for P2P chat etc. The popup dialog is an extension of java.awt.Window and is not using standard awt or swing components. I use the keyListener to send key events to my own graphic implementation that generates a Image that is show i the window by drawing it in the paint method.
The problem is that I can't get keyFocus on the window, if I add a awt.TextField to the window i can get key focus by requesting keyFocus after showning the window, but if the window has been hidden by another window I can't get the key focus back.
Is there anyway to give the java.awt.Window keyFocus?
Is there anyway to make the java.awt.Window Focusable with out havning a focusable component on it?

I forgot to tell that main program is an applet and must be able to run under all jvm's from 1.1 to 1.4.
THX

Problem with focus

hello all people who read this post
I am migrating an application created with the JDK 1.2 under the JDK 1.4.
(an intermediate migration without problem was carried out into 1.3).
And I encounter problems with the focus. None JTextField and other
components focusable take the focus.
I still seek the solution but if somebody with already were confronted
with this problem, I would be grateful to him if it had a solution to
propose to me.
Coordialement.
dinbo
PS : I am French, I am sorry for my bad English.

Lets try and trouble shoot your problem.
Is your code compiled with the 1.2 or 1.4 sdk?with 1.4 sdk
Are you using swing components or awt components?I use swing components
Is your program an applet or application?it's an application
Are you attempting to force the focus from component to component? I made different test which was not conclusive.
(Are you using the > following methods: nextFocusableComponent(Component aComponent),
setRequestEnabled(boolean value), transferFocus(), or any of the other focus methods?)yes the old application use them (except transfertFocus())
Is your code working with any of the focus managers?I carried out different test
my old application functions correctly if I compile it into 1.3 and that I only launch it.
If I launch it since the new application into 1.4, it functions but not the focus.
thanks for your time,thank you for the interest which you carry to my problem.
dinbo

Problem with focus and selecting text in jtextfield

I have problem with jtexfield. I know that solution will be very simple but I can't figure it out.
This is simplified version of situation:
I have a jframe, jtextfield and jbutton. User can put numbers (0-10000) separated with commas to textfield and save those numbers by pressing jbutton.
When jbutton is pressed I have a validator which checks that jtextfield contains only numbers and commas. If validator sees that there are invalid characters, a messagebox is launched which tells to user whats wrong.
Now comes the tricky part.
When user presses ok from messagebox, jtextfield should select the character which validator said was invalid so that user can replace it by pressing a number or comma.
I have the invalid character, but how can you get the focus to jtextfield and select only the character which was invalid?
I tried requestFocus(), but it selected whole text in jtextfield and after that command I couldn't set selected text. I tried with commands setSelectionStart(int), setSelectionEnd(int) and select(int,int).
Then I tried to use Caret and select text with that. It selected the character I wanted, but the focus wasn't really there because it didn't have keyFocus (or something like that).
Is there a simple way of doing this?

textField.requestFocusInWindow();
textField.select(...);The above should work, although read the API on the select(...) method for the newer recommended approach on how to do selection.
If you need further help then you need to create a "Short, Self Contained, Compilable and Executable, Example Program (SSCCE)",
see http://homepage1.nifty.com/algafield/sscce.html,
that demonstrates the incorrect behaviour, because I can't guess exactly what you are doing based on the information provided.
Don't forget to use the "Code Formatting Tags",
see http://forum.java.sun.com/help.jspa?sec=formatting,
so the posted code retains its original formatting.

Problems with focus traversal after moving to j2sdk_1.4.1_02

Hi,
Just moved to j2sdk_1.4.1_02 and we are having problems where
focus stays on wrong UI component e.g. a user(user2) is taking edit/write permissions from another user(user1) that has write permissions. User1 is told that they will lose write permissions in
the next 15 minutes ( information dialog displayed on their screen ) while at the same time on user2's window a text label is updated
every 5 seconds to say how long before they will have write permissions,
however, the information dialog displayed on user1 hangs and
the user can't remove this dialog. Control seems to stay with user2.
This used to work with the previous java version we used.
Hope someone can help,
Thanks

Didn't say what version you came FROM, but I'm guessing if
you're having focus related problems it was from PRIOR to 1.4
when focus handling was revamped.
You probably need to make sure you are using requestFocusInWindow()
everywhere instead of requestFocus().
Check here and possibly search for 1.4 and KeyboardFocusManager
for new focus handling tutorials.

Problems with (selfcompiled) gnome-applets

I have experienced problems with gnome-applets. Those that come with a basic gnome installation work fine and there is no problem adding them to the panel. However, when I use selfcompiled applets I always get the following error when trying to add them.
The panel encountered a problem while loading "OAFIID:GNOME_HDAPS_STATUSApplet".
(Where OAFIID: is followed by the applets name.)
I tried pkgbuilds from the AUR like 'ontv' and 'gnome-hdaps-applet' and I've tried compile applets manually. Always the same issue. I don't know what's wrong. I've found threads where people get that error message on any applet but I didn't find a solution to my problem, as all my other applets work fine. Any ideas?

Have you done any Gnome updates since this applet was compiled? I seem to recall having a similar problem with an applet I built and, falling back to the Windows days, did a reboot, rebuilt the applet, and then all was well after I reinstalled the applet.
Not sure if this will help, but it cannot hurt.
Bob

Problem with accessing Signed Applet from javascript method

Hi,
I am facing the following problem while accessing Signed Applet from javascript method.
java.security.AccessControlException: access denied (java.io.FilePermission c:/temp.txt read)
     at java.security.AccessControlContext.checkPermission(Unknown Source)
     at java.security.AccessController.checkPermission(Unknown Source)
     at FileTest.testPerm(FileTest.java:19)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at sun.plugin.javascript.invoke.JSInvoke.invoke(Unknown Source)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at sun.plugin.javascript.JSClassLoader.invoke(Unknown Source)
     at sun.plugin.com.MethodDispatcher.invoke(Unknown Source)
     at sun.plugin.com.DispatchImpl.invokeImpl(Unknown Source)
     at sun.plugin.com.DispatchImpl$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.plugin.com.DispatchImpl.invoke(Unknown Source)
I am using jdk1.5 for my development...
Can anyone help to resolve this security issue. Urgent...
Thanks in advance.

Hey thanks. I wasn't able to get it to work with that sample but I did find this very similar code that does allow javascript to call JFileChooser in an applets public method.
java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction()
public Object run(){
//do your special code here
return null; //return whatever you want
It seems a bit tempermental in that if you don't select a file quickly, it will hang the browser....no perfect solution but I'm going in the right direction.
Thanks,
Scott

Problem with threads within applet

Hello,
I got an applet, inside this applet I have a singleton, inside this singleton I have a thread.
this thread is running in endless loop.
he is doing something and go to sleep on and on.
the problem is,
when I refresh my IE6 browser I see more than 1 thread.
for debug matter, I did the following things:
inside the thread, sysout every time he goes to sleep.
sysout in the singleton constructor.
sysout in the singleton destructor.
the output goes like this:
when refresh the page, the singleton constructor loading but not every refresh, sometimes I see the constructor output and sometimes I dont.
The thread inside the singleton is giving me the same output, sometime I see more than one thread at a time and sometimes I dont.
The destructor never works (no output there).
I don't understand what is going on.
someone can please shed some light?
thanks.
btw. I am working with JRE 1.1
this is very old and big applet and I can't convert it to something new.

Ooops. sorry!
I did.
     public void start() {
     public void stop() {
     public void destroy() {
          try {
               resetAll();
               Configuration.closeConnection();
               QuoteItem.closeConnection();
          } finally {
               try {
                    super.finalize();
               } catch (Throwable e) {
                    e.printStackTrace();
     }

Camileo P10 Problem with Focus

Hello everyone,
I bought a P10 Camileo and after an hour of use I started to have the following problem:
The camera can no longer focus the image from afar.
It seems that the focus is fixed, i have to bring the camera to get a clear image.
Thank's.

Hi pleone,
I agree with the user above. You have to disable the image stabilization and than you are able to focus again.
Furthermore the camera is equipped with a macro switch. Did you notice this?
I also recommend checking the user manual. It contains a lot of interesting informations about the camera. :)

[SOLVED] Problem with privileges (nm-applet and mounting devices)

Hi,
I have a little problem after a system update made a few weeks ago. (At least I think it started after that update, but I am not sure.)
It's something related to lack of privileges or sth...
When I right-click on nm-applet icon some options are greyd out as well as when I try to add a new network - everything in the dialog is grey. But when I "sudo nm-applet", everything works.
And the next problem is: When I plug my USB stick/drive to NB it is not mounted automatically but I need to open nautilus, mount it manually and an "Authenticate" dialog shows up and my password is required. But why? It didn't use to work that way. I don't understant what might have changed.
I use SLiM starting my gnome-session.
My ~/.xinitrc:
exec ck-launch-session dbus-launch gnome-session
My /usr/share/gnome-session/sessions/gnome-fallback.session
RequiredComponents=gnome-settings-daemon;
RequiredProviders=windowmanager;
DefaultProvider-windowmanager=compiz
DefaultProvider-notifications=notify-osd
DefaultProvider-displaymanager=slim
(I don't use gnome-shell nor gnome-panel, but Gnome with xfce4-panel )
Thank you in advance.
Last edited by mino.sk (2012-06-22 21:25:57)

Thank you, headkase, you were right about it! Removing "ck-launch-session" solved my problems. I also removed "dbus-launch" because I didn't have it there originally, I had added "dbus-launch" to exec line just today as I had read somewhere that it might help (it didn't)...
So, I'm going with "exec gnome-session" and everything works, thanks.
//Edit: Admin can mark this as "[SOLVED]"
Last edited by mino.sk (2012-06-22 20:22:39)

Problems with focus on a "Dictionary Search Help"

Hello everybody,
I think I have a more specific problem depending on accessibility.
the problem is, when the dsh comes up it isn't accessable via the tab key at least not with the first 50 "tab-pressings". can i set a focus to the dsh? it's a big issue for visually impaired persons

Hello Christian,
I can't reproduce your problem. I just tried it with a standard Web Dynpro dsh for a businnes partner input field, and there I get to the first input field for selection after the 6th "tab-pressing".
Best regards, Matthias

Problems with RSA Signed Applets methods called by JavaScript

Hi Folks,
I need to give all permissions to an Applet used in an Intranet application, so I signed the jar containing it with a RSA self-cert and I did the same for all the other jar files userd by the applet.
The applet runs under Java Plugin with JRE 1.5.0_06: I am requested by the browser to install the cert and all works fine.
When a JavaScript function calls a public method of the applet I received a security exception when the code tries to read a system property.
The same method works fine if called by the applet itself or by a gui event (i.e. a button click) inside the applet, so the problem seems to be related to the fact the applet is used by JavaScript (in Explorer 6).
Does anyone know some way to overcome this problem????
Message was edited by:
piero

If I may be so bold as to ask you to elaborate on this fix? I have encountered an identical issue, but I have no idea about your reference to your fix, sorry.

Problem with focus on applet - jvm1.6

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