Name: rmT116609 Date: 02/24/2004


FULL PRODUCT VERSION :
java version "1.4.2_03"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_03-b02)
Java HotSpot(TM) Client VM (build 1.4.2_03-b02, mixed mode)

java version "1.5.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b32c)
Java HotSpot(TM) Client VM (build 1.5.0-beta-b32c, mixed mode)



ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
I get a crash when executing ImageReader.reset() for JPEG files. This is 100% reproducible using the included testcase.

Please try commiting a fix in Tiger as there is no known workaround for this crash.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run testcase


ERROR MESSAGES/STACK TRACES THAT OCCUR :
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION (0xc0000005) occurred at PC=0xA592A8
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.JPEGImageReader.resetReader(Native Method)
        at com.sun.imageio.plugins.jpeg.JPEGImageReader.reset(JPEGImageReader.java:1297)
        at com.shadowcraft.desktopbeautifier.spider.Mutation.getImageDimension(Mutation.java:706)
        at com.shadowcraft.desktopbeautifier.spider.Mutation.getWallpapers(Mutation.java:332)
        at com.shadowcraft.desktopbeautifier.spider.Mutation.hitPage(Mutation.java:588)
        at com.shadowcraft.desktopbeautifier.spider.Population.main(Population.java:367)

Dynamic libraries:
0x00400000 - 0x00406000 C:\j2sdk1.4.2_03\jre\bin\java.exe
0x77F50000 - 0x77FF7000 C:\WINDOWS\System32\ntdll.dll
0x77E60000 - 0x77F46000 C:\WINDOWS\system32\kernel32.dll
0x77DD0000 - 0x77E5D000 C:\WINDOWS\system32\ADVAPI32.dll
0x78000000 - 0x78086000 C:\WINDOWS\system32\RPCRT4.dll
0x77C10000 - 0x77C63000 C:\WINDOWS\system32\MSVCRT.dll
0x08000000 - 0x08138000 C:\j2sdk1.4.2_03\jre\bin\client\jvm.dll
0x77D40000 - 0x77DCC000 C:\WINDOWS\system32\USER32.dll
0x77C70000 - 0x77CB0000 C:\WINDOWS\system32\GDI32.dll
0x76B40000 - 0x76B6C000 C:\WINDOWS\System32\WINMM.dll
0x76390000 - 0x763AC000 C:\WINDOWS\System32\IMM32.DLL
0x629C0000 - 0x629C8000 C:\WINDOWS\System32\LPK.DLL
0x72FA0000 - 0x72FFA000 C:\WINDOWS\System32\USP10.dll
0x10000000 - 0x10007000 C:\j2sdk1.4.2_03\jre\bin\hpi.dll
0x003A0000 - 0x003AE000 C:\j2sdk1.4.2_03\jre\bin\verify.dll
0x003B0000 - 0x003C9000 C:\j2sdk1.4.2_03\jre\bin\java.dll
0x003D0000 - 0x003DD000 C:\j2sdk1.4.2_03\jre\bin\zip.dll
0x02E60000 - 0x02E6F000 C:\j2sdk1.4.2_03\jre\bin\net.dll
0x71AB0000 - 0x71AC4000 C:\WINDOWS\System32\WS2_32.dll
0x71AA0000 - 0x71AA8000 C:\WINDOWS\System32\WS2HELP.dll
0x71A50000 - 0x71A8B000 C:\WINDOWS\System32\mswsock.dll
0x76F20000 - 0x76F45000 C:\WINDOWS\System32\DNSAPI.dll
0x76FB0000 - 0x76FB7000 C:\WINDOWS\System32\winrnr.dll
0x76F60000 - 0x76F8C000 C:\WINDOWS\system32\WLDAP32.dll
0x76FC0000 - 0x76FC5000 C:\WINDOWS\System32\rasadhlp.dll
0x71A90000 - 0x71A98000 C:\WINDOWS\System32\wshtcpip.dll
0x02F40000 - 0x02F63000 C:\j2sdk1.4.2_03\jre\bin\cmm.dll
0x03070000 - 0x0308E000 C:\j2sdk1.4.2_03\jre\bin\jpeg.dll
0x03090000 - 0x0319F000 C:\j2sdk1.4.2_03\jre\bin\awt.dll
0x73000000 - 0x73023000 C:\WINDOWS\System32\WINSPOOL.DRV
0x771B0000 - 0x772D1000 C:\WINDOWS\system32\ole32.dll
0x76C90000 - 0x76CB2000 C:\WINDOWS\system32\imagehlp.dll
0x6D510000 - 0x6D58D000 C:\WINDOWS\system32\DBGHELP.dll
0x77C00000 - 0x77C07000 C:\WINDOWS\system32\VERSION.dll
0x76BF0000 - 0x76BFB000 C:\WINDOWS\System32\PSAPI.DLL

Heap at VM Abort:
Heap
 def new generation total 576K, used 448K [0x10010000, 0x100b0000, 0x104f0000)
  eden space 512K, 84% used [0x10010000, 0x1007bf28, 0x10090000)
  from space 64K, 25% used [0x10090000, 0x10094140, 0x100a0000)
  to space 64K, 0% used [0x100a0000, 0x100a0000, 0x100b0000)
 tenured generation total 1408K, used 230K [0x104f0000, 0x10650000, 0x14010000)
   the space 1408K, 16% used [0x104f0000, 0x10529830, 0x10529a00, 0x10650000)
 compacting perm gen total 4096K, used 2211K [0x14010000, 0x14410000, 0x18010000)
   the space 4096K, 53% used [0x14010000, 0x14238cc8, 0x14238e00, 0x14410000)

Local Time = Sun Jan 25 20:41:05 2004
Elapsed Time = 3
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2_03-b02 mixed mode)
#
# An error report file has been saved as hs_err_pid2688.log.
# Please refer to the file for further information.
#

With 1.5.0-beta-b32:

Image? http://islands.com/downloads/VancouverIsland200.jpg
Image? http://islands.com/downloads/../images/smooth.gif
Image? http://islands.com/downloads/../images/blue_dot.gif
Image? http://islands.com/downloads/BigIslandHawaii200.jpg
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x009d8d00, pid=1412, tid=808
#
# Java VM: Java HotSpot(TM) Client VM (1.5.0-beta-b32c mixed mode)
# Problematic frame:
# C 0x009d8d00
#
# An error report file with more information is saved as hs_err_pid1412.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.awt.Dimension;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;

public class ImageIOCrash
{
  private HashMap contentTypeReaderMap = new HashMap();
  
  /**
   * Returns dimensions of image at specified URL.
   *
   * @throws IOException
   */
  public Dimension getImageDimension(URL url) throws IOException
  {
    System.out.println("Image? " + url);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    ImageInputStream imageIn = null;
    ImageReader reader = null;
    try
    {
           BufferedInputStream in = new BufferedInputStream(connection.getInputStream());
      String contentType = connection.getContentType();
      if (contentType==null || !contentType.startsWith("image/"))
        throw new IllegalArgumentException(contentType);
      contentType = contentType.substring("image/".length());
      if (contentTypeReaderMap.containsKey(contentType))
      {
        reader = (ImageReader) contentTypeReaderMap.get(contentType);
        reader.reset();
      }
      else
      {
        Iterator iterator = ImageIO.getImageReadersByFormatName(contentType);
        if (!iterator.hasNext())
          throw new IOException("Cannot decode image/" + contentType);
        reader = (ImageReader) iterator.next();
        contentTypeReaderMap.put(contentType, reader);
      }
      imageIn = ImageIO.createImageInputStream(in);
      reader.setInput(imageIn);
      return new Dimension(reader.getWidth(0), reader.getHeight(0));
    }
    finally
    {
      if (imageIn!=null)
        imageIn.close();
      connection.disconnect();
    }
  }
  
  /**
   * @param args the command line arguments
   */
  public static void main(String[] args)
  {
    ImageIOCrash crash = new ImageIOCrash();
    try
    {
      crash.getImageDimension(new URL("http://islands.com/downloads/VancouverIsland200.jpg"));
      crash.getImageDimension(new URL("http://islands.com/downloads/../images/smooth.gif"));
      crash.getImageDimension(new URL("http://islands.com/downloads/../images/blue_dot.gif"));
      crash.getImageDimension(new URL("http://islands.com/downloads/BigIslandHawaii200.jpg"));
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }
}
---------- END SOURCE ----------
(Incident Review ID: 235740)
======================================================================