Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
I am experiencing the same problem (environment: tomcat). I choose to
initialize Java2D early during boot of the application server instead having a
memory later when it is being initialized by an app. This class is called as a
wrapper for the original tomcat bootstrap class.
This is only a workaround, I hope the two bugs that have been filed already
will be solved soon.
public class PlusBoot {
public static void main (String[] args) {
ImageIO.setUseCache(false);
// Configuration.getConfiguration();
Bootstrap.main(args);
}
}
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Re: [JAVA2D] is it possible?
Hi thanks for answer...
but i want to Draw it actually i have made custom UI for
JTabbedPane from Romain Buy's examples, i have made small changes in it here
is code,
following are 2 classes TabbedPane and AquaBarTabbedPaneUI.
The (String) title will display on top right on TabbedPane...
Please use this code and tell me necessary changes
Thank you
Code...1
TabbedPane.java
import java.awt.Color;
import javax.swing.JTabbedPane;
/**
*
* @author rty
*/
public class TabbedPane extends JTabbedPane{
private AquaBarTabbedPaneUI atpu = new AquaBarTabbedPaneUI();
private void init(){
setUI(atpu);
}
public Color getTitleColor() {
return atpu.getTitleColor();
}
public void setTitleColor(Color titleColor) {
atpu.setTitleColor(titleColor);
}
public TabbedPane(int tabPlacement, int tabLayoutPolicy) {
super(tabPlacement, tabLayoutPolicy);
init();
}
public TabbedPane(int tabPlacement) {
super(tabPlacement);
init();
}
public TabbedPane() {
init();
}
public void setTitle(String title) {
atpu.setTitle( title);
}
public String getTitle(){
return atpu.getTitle();
}
Code...2
AquaBarTabbedPaneUI .java
public class AquaBarTabbedPaneUI extends BasicTabbedPaneUI {
private static final Insets NO_INSETS = new Insets(0, 0, 0, 0);
private ColorSet selectedColorSet;
private ColorSet defaultColorSet;
private ColorSet hoverColorSet;
private boolean contentTopBorderDrawn = true;
private Color lineColor = new Color(158, 158, 158);
private Color dividerColor = new Color(200, 200, 200);
private Insets contentInsets = new Insets(10, 10, 10, 10);
private int lastRollOverTab = -1;
private String title = new String();
public static ComponentUI createUI(JComponent c) {
return new AquaBarTabbedPaneUI();
}
private Color titleColor = Color.BLACK;
public Color getTitleColor() {
return titleColor;
}
public void setTitleColor(Color titleColor) {
this.titleColor = titleColor;
Rectangle tabsRect = new Rectangle(0, 0, tabPane.getWidth(), 20);
tabPane.repaint(tabsRect);
}
public String getTitle(){
return title;
}
public void setTitle(String t){
title = t;
Rectangle tabsRect = new Rectangle(0, 0, tabPane.getWidth(), 20);
tabPane.repaint(tabsRect);
}
public AquaBarTabbedPaneUI() {
selectedColorSet = new ColorSet();
selectedColorSet.topGradColor1 = new Color(233, 237, 248);
selectedColorSet.topGradColor2 = new Color(158, 199, 240);
selectedColorSet.bottomGradColor1 = new Color(112, 173, 239);
selectedColorSet.bottomGradColor2 = new Color(183, 244, 253);
defaultColorSet = new ColorSet();
defaultColorSet.topGradColor1 = new Color(253, 253, 253);
defaultColorSet.topGradColor2 = new Color(237, 237, 237);
defaultColorSet.bottomGradColor1 = new Color(222, 222, 222);
defaultColorSet.bottomGradColor2 = new Color(255, 255, 255);
hoverColorSet = new ColorSet();
hoverColorSet.topGradColor1 = new Color(244, 244, 244);
hoverColorSet.topGradColor2 = new Color(223, 223, 223);
hoverColorSet.bottomGradColor1 = new Color(211, 211, 211);
hoverColorSet.bottomGradColor2 = new Color(235, 235, 235);
maxTabHeight = 20;
setContentInsets(0);
}
public void setContentTopBorderDrawn(boolean b) {
contentTopBorderDrawn = b;
}
public void setContentInsets(Insets i) {
contentInsets = i;
}
public void setContentInsets(int i) {
contentInsets = new Insets(i, i, i, i);
}
public int getTabRunCount(JTabbedPane pane) {
return pane.getTabCount();
}
protected void installDefaults() {
super.installDefaults();
RollOverListener l = new RollOverListener();
tabPane.addMouseListener(l);
tabPane.addMouseMotionListener(l);
tabAreaInsets = NO_INSETS;
tabInsets = new Insets(0, 0, 0, 1);
}
/*
protected boolean scrollableTabLayoutEnabled() {
return false;
}
*/
protected Insets getContentBorderInsets(int tabPlacement) {
return contentInsets;
}
protected int calculateTabHeight(int tabPlacement, int tabIndex,
int fontHeight) {
return 21;
}
protected int calculateTabWidth(int tabPlacement, int tabIndex,
FontMetrics metrics) {
int w = super.calculateTabWidth(tabPlacement, tabIndex, metrics);
int wid = metrics.charWidth('M');
w += wid * 2;
return w;
}
protected int calculateMaxTabHeight(int tabPlacement) {
return 21;
}
protected void paintTabArea(Graphics g, int tabPlacement, int
selectedIndex) {
Graphics2D g2d
Re: [JAVA2D] is it possible?
On 10. juli. 2008, at 11.18, [EMAIL PROTECTED] wrote:
but i want to Draw it
Try something like:
@Override
protected void paintComponent(Graphics g) {
...
String html = ...;
JLabel label = new JLabel(html);
label.setBounds(getBounds());
label.setVisible(true);
label.paint(g);
...
}
Feels a little hackish, but should work...
.k
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Re: [JAVA2D] is it possible?
[EMAIL PROTECTED] wrote: Hello... Drawing HTML code in Panel ?? i.g. String s = htmlH1Hello../H1/html; This should be possible: add(new JLabel(s)); Dmitri g2d.drawString(s,x,y); OR any other way?? to draw HTML in Panel using Graphics2D... :D [Message sent by forum member 'abc3d' (abc3d)] http://forums.java.net/jive/thread.jspa?messageID=285438 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help. === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Is there any chance of getting a fix for this bug in the somewhat near future? :-) [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=198778 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
I've filed this bug a while ago: 6489540: The Disposer thread could cause memory leaks in user applications http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6489540 Unfortunately without some changes in another area it can not be fully fixed, so I filed this bug: 6501120: (thread) Existing constructors lead to pinnned copies of inheritable thread locals http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6501120 Fix for this bug is currently under review. Once it's done, I will be able to fix the disposer. Thanks, Dmitri Java2D Team [EMAIL PROTECTED] wrote: Is there any chance of getting a fix for this bug in the somewhat near future? :-) [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=198778 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help. === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Dmitri, thanks for the detailed update. [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=198831 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Dmitri, Thanks for the quick response and for entering the bug. I will take a look once it becomes visible. It might be a good idea to inspect all active (threaded) run-until-JVM-shutdown subsystems for contextClassLoader reference leaks. Regards, Taras [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=169983 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
OK, I've filed a bug (will appear on bug parade in a day): 6489540: The Disposer thread could cause memory leaks in user applications I've also found out that there's no way to address the first problem about inheritable thread local storage (see bug's evaluation). But the second one - with context classloader - will be fixed. Dmitri [Message sent by forum member 'trembovetski' (trembovetski)] http://forums.java.net/jive/thread.jspa?messageID=169696 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
On Mon, Jun 26, 2006 at 10:47:29PM -0700, [EMAIL PROTECTED] wrote: Sure, let's say I manageg to remove all the inheritableThreadLocals. The next issue is the contextClassLoader that is propagated to the Java2D Disposer Thread. Which, of course, is exactly the ClassLoader I'd like to unload (the one with 1GB+ data referenced). Any idea how to do that? Unfortunately I don't know. I'll ask around. Thanks, Dmitri [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=127369 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help. === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
But before I start asking I need to understand more about this. Do you set your own classloader, or is it the default one? Better yet, is there any way you could create a small test case illustrating the problem? Thanks, Dmitri On Tue, Jun 27, 2006 at 06:18:19AM -0700, Dmitri Trembovetski wrote: On Mon, Jun 26, 2006 at 10:47:29PM -0700, [EMAIL PROTECTED] wrote: Sure, let's say I manageg to remove all the inheritableThreadLocals. The next issue is the contextClassLoader that is propagated to the Java2D Disposer Thread. Which, of course, is exactly the ClassLoader I'd like to unload (the one with 1GB+ data referenced). Any idea how to do that? Unfortunately I don't know. I'll ask around. Thanks, Dmitri [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=127369 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help. === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help. === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Hi, On Sun, Jun 25, 2006 at 01:02:35PM -0700, [EMAIL PROTECTED] wrote: Hi Dmitri, Is Mustang b89 recent enough to test? Yes, that should do it. Out of curiosity, what was changed wrt the Disposer in Mustang? Is the disposer thread initialized on JVM startup? The change is covered under this bug id: 6321642: Disposer Thread must be a member of system app context http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6321642 BTW, the application is a J2EE web app, sometimes serving some graphs with historical data. The InheritableThreadLocal comes from the Spring framework DispatcherServlet (LocaleContextHolder). Is there any workaround for this leak on JDK 1.5.0 (_07)? Well, we're not yet sure if it was fixed in mustang yet. If we find that the fix above does help, we could backport it to the next 5.0 update release. One way to work around it would be to do some graphics operations to a scratch buffer early on a separate thread so that the Disposer gets initialized early. Thanks, Dmitri === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
The leak is still there in Mustang b89. [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=126968 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Could you try the workaround I've suggested? (do some java2d activity - in particular, create a BufferedImage and render to it - on a thread created either prior to creating and setting the InheritableThreadLocalStorage or started from a separate thread). I'll think on what we can do to avoid running into this in the meantime. Thanks, Dmitri On Mon, Jun 26, 2006 at 06:00:09AM -0700, [EMAIL PROTECTED] wrote: The leak is still there in Mustang b89. [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=126968 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help. === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Hi,
On Mon, Jun 26, 2006 at 07:22:35AM -0700, Dmitri Trembovetski wrote:
Could you try the workaround I've suggested?
(do some java2d activity - in particular, create a BufferedImage and
render to it - on a thread created either
prior to creating and setting the InheritableThreadLocalStorage
or started from a separate thread).
I'll think on what we can do to avoid running into this in the
meantime.
I don't think we could a whole lot here. The Disposer thread
is created in the static initializer of the Disposer class -
we don't have any control over which thread creates it.
Note that pretty much the same issue could happen with,
say, EventDispatchThread, or any other thread created
by the JDK in similar fashion (may be even finalizer
thread?). So perhaps you should reconsider which thread
have their storage inheritable.
We could ask for a new API such that a thread would refuse
the inheritance of local storage from a parent.
You could probably try to work around this by overriding
InheritableThreadLocal.childValue() and returning null if
you're about to give away the ThreadLocal to some unkown thread.
Not sure how you would distinguish from unknown and
known threads, though - I'm assuming childValue() is called
on the parent thread. You could do something like this:
...
creatingThread = true;
myThread = new Thread();
thread.start();
In your thread local:
Object InheritableThreadLocal.childValue(Object parentValue) {
if (!creatingThread) return null;
// return your regular local object...
creatingThrad = false;
return parentValue;
}
It ain't pretty, but it might work.
Thanks,
Dmitri
Thanks,
Dmitri
On Mon, Jun 26, 2006 at 06:00:09AM -0700, [EMAIL PROTECTED] wrote:
The leak is still there in Mustang b89.
[Message sent by forum member 'plethora' (plethora)]
http://forums.java.net/jive/thread.jspa?messageID=126968
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Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Sure, let's say I manageg to remove all the inheritableThreadLocals. The next issue is the contextClassLoader that is propagated to the Java2D Disposer Thread. Which, of course, is exactly the ClassLoader I'd like to unload (the one with 1GB+ data referenced). Any idea how to do that? [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=127369 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Hi Dmitri, Is Mustang b89 recent enough to test? Out of curiosity, what was changed wrt the Disposer in Mustang? Is the disposer thread initialized on JVM startup? BTW, the application is a J2EE web app, sometimes serving some graphs with historical data. The InheritableThreadLocal comes from the Spring framework DispatcherServlet (LocaleContextHolder). Is there any workaround for this leak on JDK 1.5.0 (_07)? [Message sent by forum member 'plethora' (plethora)] http://forums.java.net/jive/thread.jspa?messageID=126853 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] sun.java2d.Disposer questions (possible leak)
Hello, On Fri, Jun 09, 2006 at 01:52:32PM -0700, [EMAIL PROTECTED] wrote: First, is there a good description available on how the sun.java2d.Disposer class works in Java 1.5.0? There isn't such a description. Disoser is an internal mechanism for disposing of graphics-related resources and is not public. Second, I think I've found a possible reference leak. 1) A console-only application is started. 2) After 10 minutes of running, a thread dump does NOT show any Java2D Disposer thread. 3) After 20 minutes of running, a background image is created using Java2D, and sent over the network. (The image is never shown on screen, the app is still running in console mode) 4) After (3) above, a new thread can be seen in the thread dump (the sun.java2d.Disposer thread). All this seem to work as expected. Now, the original thread that started the offline rendering had a couple of InheritableThreadLocals set. I don't know how/where the disposer thread is created, but it appears that it (as you would guess) inherits the InteritableThreadLocals of the thread that caused Java2D to be (lazily?) initialized. Of course, one of the InheritableThreadLocals (indirectly) references a ClassLoader that has 2GB of memory attached. Later in the application lifecycle, this prevents garbage collection, and triggers a memory overflow (OOM). [Message sent by forum member 'plethora' (plethora)] Could you please try your test on Mustang? http://mustang.dev.java.net . We've made some changes in mustang to the way the disposer thread is started which could have affected your problem. Thank you, Dmitri Java2D Team http://forums.java.net/jive/thread.jspa?messageID=121561 === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help. === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message signoff JAVA2D-INTEREST. For general help, send email to [EMAIL PROTECTED] and include in the body of the message help.
Re: [JAVA2D] Is It possible to do Image Conversion without distortion...
Hi Palani,
Could you explain what you mean by distorted? I ran your testcase
and it seems to work as expected.
BTW, your code that calculates the scale factors and whatnot could be
greatly simiplified. Since you're just doing simple scaling, there's
no need to use AffineTransform. Instead, you can simply use the
scaling drawImage() variant. (We should probably write up an article
that demonstrates the best approaches for image scaling...)
Here's the simplified code:
public JPGImage(String srcFileName,String destFileName,
int thumbNailSize) throws Exception
{
// Read in original image to create thumbnail from
File inFile = new File(srcFileName);
BufferedImage bufferedImage = ImageIO.read(inFile);
// Calculate scale so image fits in a square area of
thumbNailSize
int imageWidth = bufferedImage.getWidth();
int imageHeight = bufferedImage.getHeight();
int scaledWidth, scaledHeight;
if (imageWidth imageHeight) {
scaledWidth = thumbNailSize;
scaledHeight =
(int)(thumbNailSize * (((double)imageHeight) /
imageWidth));
} else {
scaledWidth =
(int)(thumbNailSize * (((double)imageWidth) /
imageHeight));
scaledHeight = thumbNailSize;
}
BufferedImage scaledBufferedImage =
new BufferedImage(scaledWidth, scaledHeight,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = scaledBufferedImage.createGraphics();
g2d.drawImage(bufferedImage, 0, 0, scaledWidth, scaledHeight,
null);
g2d.dispose();
// Now write out scaled image to file
ImageIO.write(scaledBufferedImage,JPG,new File(destFileName));
}
Thanks,
Chris
On Sep 19, 2004, at 11:51 PM, Palani Murugan wrote:
Below is the code for Image Conversion for JPG format.
This code works fine but it gives distorted Image.
Is It possible to do Image Conversion without distortion ???
Note:
This Program takes 3 command line argument...
***
java JPGImage source file Name Destination file Name size of
Image
***
***
import java.io.*;
import javax.imageio.*;
import java.awt.image.*;
import java.awt.geom.*;
public class JPGImage
{
public JPGImage(String srcFileName,String destFileName,int
thumbNailSize) throws Exception
{
// Read in original image to create thumbnail from
File inFile = new File(srcFileName);
BufferedImage bufferedImage = ImageIO.read(inFile);
bufferedImage.flush();
// Calculate scale so image fits in a square area of thumbNailSize
int imageWidth = bufferedImage.getWidth();
int imageHeight = bufferedImage.getHeight();
int componentWidth = thumbNailSize;
int componentHeight = thumbNailSize;
double scale = -1;
if ( imageWidth == componentWidth imageHeight ==
componentHeight){
scale = 1;
}
else if ( imageWidth = componentWidth imageHeight =
componentHeight)
{
double heightScale = ((double)componentWidth) / ((double)
imageWidth);
double widthScale = ((double)componentHeight) / ((double)
imageHeight);
if ( heightScale widthScale ) scale = heightScale;
else scale = widthScale;
}
else if ( imageWidth componentWidth imageHeight =
componentHeight)
{
double heightScale = ((double)componentWidth) / ((double)
imageWidth);
scale = heightScale;
}
else if ( imageWidth = componentWidth imageHeight
componentHeight)
{
double widthScale = ((double)componentHeight) / ((double)
imageHeight);
scale = widthScale;
}
else
{
double heightScale = ((double)componentWidth) / ((double)
imageWidth);
int scaledHeight = (int)(((double)imageHeight) *
heightScale);
double widthScale = ((double)componentHeight) / ((double)
imageHeight);
int scaledWidth = (int)(((double)imageWidth) * widthScale);
if ( scaledWidth = componentWidth ) scale = widthScale;
else scale = heightScale;
}
// Now create thumbnail
AffineTransform affineTransform = AffineTransform.getScaleInstance
(scale,scale);
AffineTransformOp affineTransformOp = new AffineTransformOp
(affineTransform,null);
BufferedImage scaledBufferedImage = affineTransformOp.filter
(bufferedImage,null);
int scaledWidth = scaledBufferedImage.getWidth();
int scaledHeight = scaledBufferedImage.getHeight();
int expectedWidth = (int)(imageWidth * scale);
int expectedHeight = (int)(imageHeight * scale);
if ( scaledWidth expectedWidth || scaledHeight expectedHeight )
scaledBufferedImage = scaledBufferedImage.getSubimage
(0,0,expectedWidth,expectedHeight);
// Now write out scaled image to file
ImageIO.write(scaledBufferedImage,JPG,new File(destFileName));
}
public static void main(String[] args)
{
if ( args.length 3 )
{
System.err.println(Usage: imageTest srcFile
DestFile size);
