Name: ddT132432 Date: 09/10/2001


java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b65)
Java HotSpot(TM) Client VM (build 1.4.0-beta-b65, mixed mode)

Run this using jdk1.4.0beta2.
 
All it does is read in a JPEG and write it back out as a seperate file.
This is looped 100 times.

NOTE THE COMMENTS AT THE "for" loop.


---------------- ERROR LOG FILE START------------------------------------

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x6D2B248B
Function=[Unknown.]
Library=(N/A)

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:
        at com.sun.imageio.plugins.jpeg.JPEGImageWriter.writeImage(Native Method
)
        at com.sun.imageio.plugins.jpeg.JPEGImageWriter.write(JPEGImageWriter.ja
va:829)
        - locked <06A79A08> (a java.lang.Class)
        at javax.imageio.ImageWriter.write(ImageWriter.java:598)
        at ImageTest.main(ImageTest.java:46)

Dynamic libraries:
0x7D2A0000 - 0x7D2CD000 C:\WINDOWS\SYSTEM\DBGHELP.DLL

Local Time = Thu Sep 06 17:57:54 2001
Elapsed Time = 7
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.0-beta-b65 mixed mode)
#

---------------- ERROR LOG FILE END ------------------------------------
*/

import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.awt.image.renderable.*;
import java.io.*;
import javax.swing.*;
import javax.media.jai.*;
import javax.media.jai.widget.*;
import com.sun.media.jai.codec.*;
import java.util.*;
import javax.imageio.*;
import javax.imageio.stream.*;
import javax.imageio.event.*;

public class ImageTest
{

public static void main ( String[] _args )
{
String imagefile = _args [ 0 ];

try {


JPanel panel = new JPanel ();
File file = new File ( imagefile );
BufferedImage bi = ImageIO.read ( file );
Image image = ( Image ) bi;
for ( int i=0; i < 100; i++ )
{
File image_file = new File ( i+"_temp.jpg" );
System.out.println ( "image: " + i );
Iterator writers = ImageIO.getImageWritersByFormatName("jpeg");
ImageWriter writer = (ImageWriter)writers.next();
ImageOutputStream ios = ImageIO.createImageOutputStream( image_file );
writer.setOutput(ios);
int width = image.getWidth ( panel );
int height = image.getHeight ( panel );
System.out.println ( " width : " + width + " height "+ height );
BufferedImage bbi = new BufferedImage(width, height,BufferedImage.TYPE_INT_RGB);
Graphics2D biContext = bbi.createGraphics();
biContext.drawImage( image, 0, 0, null);
writer.write(bbi);
System.out.println ( i + " is done\n" );
// if "dispose" is called there is a definite runtimeerror on i == 0;
// if it isn't there is an error around i == 66
//writer.dispose ();

}

}catch ( Exception _e )
{
}
}
}
(Review ID: 131529)
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