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Date: Wed, 23 May 2007 06:34:17 -0700 (PDT)
From: "Andrey Pavlenko (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Commented: (HARMONY-3602) [classlib][awt][drlvm][netbeans]
 ImageDecoder.terminate() interrupts current thread
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    [ https://issues.apache.org/jira/browse/HARMONY-3602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12498233 ] 

Andrey Pavlenko commented on HARMONY-3602:
------------------------------------------

Great! So, now I think this issue is completely fixed and should be closed.

> [classlib][awt][drlvm][netbeans] ImageDecoder.terminate() interrupts current thread
> -----------------------------------------------------------------------------------
>
>                 Key: HARMONY-3602
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3602
>             Project: Harmony
>          Issue Type: Bug
>          Components: App-Oriented Bug Reports, Classlib, DRLVM
>            Reporter: Vasily Zakharov
>         Assigned To: Alexei Zakharov
>         Attachments: HARMONY-3602-ImageDecoder.patch, test.gif
>
>
> The following piece of code causes the current thread to be interrupted:
> public class Test {
>     public static void main(String args[]) throws Exception {
>         java.awt.Image img = java.awt.Toolkit.getDefaultToolkit().createImage(Thread.currentThread().getContextClassLoader().getResource("test.gif"));
>         new javax.swing.ImageIcon(img); // Loads the image.
>         img.flush(); // ERROR: Calls Thread.currentThread().interrupt().
>         System.out.println(Thread.currentThread().isInterrupted() ? "FAIL" : "SUCCESS");
>     }
> }
> Please put the attached test.gif (it's a trivial image, nothing special, but it should exist) to current directory before running the test.
> The stack of calls causing the current thread to be interrupted is:
> 	org.apache.harmony.awt.gl.image.ImageDecoder.terminate() :128
> 	org.apache.harmony.awt.gl.image.DecodingImageSource.removeConsumer(ImageConsumer) :105
> 	org.apache.harmony.awt.gl.image.OffscreenImage.stopProduction() :426
> 	org.apache.harmony.awt.gl.image.OffscreenImage.flush() :133
> Probably ImageDecoder.terminate() should not use Thread.currentThread() do determine a thread to interrupt.
> Output on RI:
> SUCCESS
> Output on Harmony/IBM VM:
> SUCCESS
> Output on Harmony/DRL VM:
> FAIL
> This looks like a clear AWT problem, however the problem only occurs on DRL VM, so probably some issue (race condition, lack of synchronization or something like that) exists there also.
> The problem was discovered while trying to run NetBeans on Harmony.

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