Java Hotspot problem, crash after play 3 file.

Question

hai,
i already dispose the player, but it seem not work at all.
my player crash after 3 or 4 file being play in a row.
anyone care to give me the answer what wrong..
thanks..
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.media.*;
public class MediaPlayerDemo extends JFrame {
private Player player;
private File file;
private boolean realized = false;
public MediaPlayerDemo () {
super("Media");
JMenuBar openFile = new JMenuBar();
JMenuItem item = null;
JPopupMenu.setDefaultLightWeightPopupEnabled(false);
JMenu mnFile = new JMenu("File");
mnFile.add(item = new JMenuItem("Open"));
item.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e)
openFile();
createPlayer();
openFile.add(mnFile);
getContentPane().add(openFile,BorderLayout.NORTH);
setSize(300,300);
show();
}//tamat public MediaPlayerDemo ()
private void openFile() {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
int result = fileChooser.showOpenDialog( this);
if (result == JFileChooser.CANCEL_OPTION)
file = null;
else
file = fileChooser.getSelectedFile();
}//tamat private void openFile()
private void createPlayer() {
if (file == null)
return;
removePreviousPlayer();
try {
player = Manager.createPlayer(file.toURL());
player.addControllerListener(new EventHandler() );
wrapRealize();
player.prefetch();
catch(Exception ier){
System.out.println(ier);
}//tamat private void createPlayer()
private void removePreviousPlayer() {
if (player == null)
return;
player.stop();
player.deallocate();
//dispose();//hilang visual semua
Component visual = player.getVisualComponent();
Component control = player.getControlPanelComponent();
Container c = getContentPane();
if (visual != null)
c.remove(visual);
if (control != null)
c.remove(control);
player.close();
realized = false;
}//tamat private void removePreviousPlayer()
public synchronized void wrapRealize() {
player.realize();
while(!realized) {
try {
wait();
catch(InterruptedException ie){
System.out.println("ralat realized");
}//tamat public synchronized void wrapRealize()
public static void main(String args[]){
MediaPlayerDemo app = new MediaPlayerDemo();
app.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e)
System.gc();
System.exit(0);
}//tamat public static void main(String args[])
private class EventHandler implements ControllerListener {
public void controllerUpdate (ControllerEvent e) {
realized = true;
if (e instanceof RealizeCompleteEvent) {
Container c = getContentPane();
Component visualComponent = player.getVisualComponent();
if(visualComponent != null)
c.add(visualComponent, BorderLayout.CENTER);
Component controlsComponent = player.getControlPanelComponent();
if(controlsComponent != null)
c.add(controlsComponent, BorderLayout.SOUTH);
c.doLayout();
else if(e instanceof PrefetchCompleteEvent)
player.start();
else if(e instanceof EndOfMediaEvent)
player.stop();
}//tamat private class EventHandler implements ControllerListener
}//tamat public class MediaPlayerDemo extends JFrame

Answer 1

hai,
i already dispose the player, but it seem not work at all.
my player crash after 3 or 4 file being play in a row.
anyone care to give me the answer what wrong..
thanks..
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.media.*;
public class MediaPlayerDemo extends JFrame {
private Player player;
private File file;
private boolean realized = false;
public MediaPlayerDemo () {
super("Media");
JMenuBar openFile = new JMenuBar();
JMenuItem item = null;
JPopupMenu.setDefaultLightWeightPopupEnabled(false);
JMenu mnFile = new JMenu("File");
mnFile.add(item = new JMenuItem("Open"));
item.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e)
openFile();
createPlayer();
openFile.add(mnFile);
getContentPane().add(openFile,BorderLayout.NORTH);
setSize(300,300);
show();
}//tamat public MediaPlayerDemo ()
private void openFile() {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
int result = fileChooser.showOpenDialog( this);
if (result == JFileChooser.CANCEL_OPTION)
file = null;
else
file = fileChooser.getSelectedFile();
}//tamat private void openFile()
private void createPlayer() {
if (file == null)
return;
removePreviousPlayer();
try {
player = Manager.createPlayer(file.toURL());
player.addControllerListener(new EventHandler() );
wrapRealize();
player.prefetch();
catch(Exception ier){
System.out.println(ier);
}//tamat private void createPlayer()
private void removePreviousPlayer() {
if (player == null)
return;
player.stop();
player.deallocate();
//dispose();//hilang visual semua
Component visual = player.getVisualComponent();
Component control = player.getControlPanelComponent();
Container c = getContentPane();
if (visual != null)
c.remove(visual);
if (control != null)
c.remove(control);
player.close();
realized = false;
}//tamat private void removePreviousPlayer()
public synchronized void wrapRealize() {
player.realize();
while(!realized) {
try {
wait();
catch(InterruptedException ie){
System.out.println("ralat realized");
}//tamat public synchronized void wrapRealize()
public static void main(String args[]){
MediaPlayerDemo app = new MediaPlayerDemo();
app.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e)
System.gc();
System.exit(0);
}//tamat public static void main(String args[])
private class EventHandler implements ControllerListener {
public void controllerUpdate (ControllerEvent e) {
realized = true;
if (e instanceof RealizeCompleteEvent) {
Container c = getContentPane();
Component visualComponent = player.getVisualComponent();
if(visualComponent != null)
c.add(visualComponent, BorderLayout.CENTER);
Component controlsComponent = player.getControlPanelComponent();
if(controlsComponent != null)
c.add(controlsComponent, BorderLayout.SOUTH);
c.doLayout();
else if(e instanceof PrefetchCompleteEvent)
player.start();
else if(e instanceof EndOfMediaEvent)
player.stop();
}//tamat private class EventHandler implements ControllerListener
}//tamat public class MediaPlayerDemo extends JFrame