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[David White <913434@xxxxxxxxxxxxxxxxxx>]

I've found this issue happens intermitently on my setup:
Ubuntu 13.04 64-bit
OpenJDK Runtime Environment (IcedTea 2.3.10) (7u25-2.3.10-1ubuntu0.13.04.2)
OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode)

I get an intermitent crash when decoding JPEGs, decoding in several
threads.

Thread pool is created thus:
	ExecutorService threadpool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()+1); 

Image decode tasks added this:
	ImageScaler scaler = new ImageScaler(size);
	threadpool.submit(scaler);

ImageScaler class is:
	private class ImageScaler extends SwingWorker<ImageIcon, String> {
		private int size;

		public ImageScaler(int size) {
			this.size = size;
		}

		@Override
		public ImageIcon doInBackground() {
			LOGGER.log(Level.FINE,
					"Loading image: "+url);
			
			ImageReader ir;
			
			//create a new instance of imageReader
			synchronized(sync){
				Iterator<ImageReader> it = ImageIO.getImageReadersByMIMEType("image/jpeg");
				ir = it.next();
				if (ir == null) {
					LOGGER.log(Level.SEVERE,
							"No image reader found for JPEGs");
					System.exit(1);
				}
				ImageReaderSpi spi = ir.getOriginatingProvider();
				try {
					ir = spi.createReaderInstance();
				} catch (Exception e) {
					LOGGER.log(Level.SEVERE,
							"Could not create new JPEG reader instance", e);
					return null;
				}
			}
			
			//Load the image from the URL (could be local or HTTP)
			BufferedImage image;
			try {

[...]
				File cacheDir = new File (strCacheDir);
				cacheDir.mkdirs();
				URL u = new URL(url);
				FileCacheImageInputStream fcis = new FileCacheImageInputStream(
					u.openStream(), cacheDir);
				ir.setInput(fcis);
				image = ir.read(0);
				fcis.close();
			} catch (Exception e) {
				LOGGER.log(Level.WARNING,
						"Could not read image "+url, e);
				return null;
			} catch (OutOfMemoryError e) {
				LOGGER.log(Level.WARNING,
						"Out of memory reading image: "+url, e);
				return null;
			} finally {
				ir.dispose();
			}
						
			return new ImageIcon(resizeImage(image, size));
		 }

		@Override
		protected  void done() {
			if (isCancelled())
				return;
			ImageIcon icon = null;
			try {
				icon = get();
			} catch (Exception ignore) {}
			if (icon == null) {
				LOGGER.log(Level.WARNING,
						"Scaled image is null: "+url);
				return;
			}
			rendered = icon;
			renderedSize = size;
			mPcs.firePropertyChange(PNAME_RENDEREDICON, 0, 1);
		}

        }

The crash actually occurs in ICC_Profile code. I get intermitent colour
issues with decoded JPEGs where the image is totally mid-green except
for areas that are dark which tend to black. Is there an issue in the
colour code for multi-threaded decode? I've done my best to create an
image reader in a thread-safe way.

I've attached the crash log file.

** Attachment added: "Crash log file"
   https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/913434/+attachment/3840753/+files/hs_err_pid8616.log

-- 
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which is subscribed to openjdk-7 in Ubuntu.
https://bugs.launchpad.net/bugs/913434

Title:
  ImageIO crashes (core dumped) while reading many image files

Status in “openjdk-7” package in Ubuntu:
  Confirmed

Bug description:
  Code that uses ImageIO.read() to read many image files (on my system:
  270 files, totalling 522.9 MiB) crashes the JVM.

  ~~~ My system information:

  $ lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 11.10
  Release:	11.10
  Codename:	oneiric

  $ uname -a
  Linux dowah 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:28:43 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

  $ javac -version
  javac 1.7.0_147

  $ java -version
  java version "1.7.0_147-icedtea"

  ~~~ To reproduce the error:

  $ javac BugIIO.java

  $ ulimit -c unlimited # to enable core dump

  $ java BugIIO

  ~~~ Terminal output that signifies the error:

  #
  # A fatal error has been detected by the Java Runtime Environment:
  #
  #  SIGSEGV (0xb) at pc=0x00007fb5babe31f8, pid=4978, tid=140418842154752
  #
  # JRE version: 7.0_147-b147
  # Java VM: OpenJDK 64-Bit Server VM (21.0-b17 mixed mode linux-amd64 compressed oops)
  # Derivative: IcedTea7 2.0
  # Distribution: Ubuntu 11.10, package 7~b147-2.0-0ubuntu0.11.10.1
  # Problematic frame:
  # C  [liblcms2.so.2+0x121f8]  cmsSaveProfileToIOhandler+0x38
  #
  # Core dump written. Default location: /home/joshua/core or core.4978
  #
  # An error report file with more information is saved as:
  # /home/joshua/hs_err_pid4978.log
  #
  # If you would like to submit a bug report, please include
  # instructions on how to reproduce the bug and visit:
  #   https://bugs.launchpad.net/ubuntu/+source/openjdk-7/
  #
  Dibatalkan (core didump)

  ~~~ PS
  When I tried to compile BugIIO.java on openjdk-6 and run it on openjdk-6, the program finishes normally (no crash).

  To clarify:
  1. This bug affect OpenJDK 7 (7~b147-2.0-0ubuntu0.11.10.1) (tested on oneiric).
  2. This bug does *not* affect OpenJDK 6 (6b23~pre11-0ubuntu1.11.10) (tested on oneiric).

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