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[bug-classpath] [bug #13466] Obscure bug in pure Java DeflaterOutputStre
From: |
anonymous |
Subject: |
[bug-classpath] [bug #13466] Obscure bug in pure Java DeflaterOutputStream |
Date: |
Sun, 19 Jun 2005 09:15:32 +0000 |
User-agent: |
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 1.2.30703; .NET CLR 2.0.50215; Avalon 6.0.4030; %WAP version%) |
URL:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=13466>
Summary: Obscure bug in pure Java DeflaterOutputStream
Project: classpath
Submitted by: None
Submitted on: Sun 06/19/2005 at 05:15
Category: classpath
Severity: 3 - Normal
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Platform Version: None
_______________________________________________________
Details:
Reproduction:
import java.io.*;
import java.util.zip.*;
public class Test
{
public static void main(String[] args) throws Exception
{
byte[] testData = new byte[100000];
new java.util.Random(0).nextBytes(testData);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
Deflater def = new Deflater(2);
DeflaterOutputStream dof = new DeflaterOutputStream(bos, def);
for(int i=0; i < 100; i++)
{
dof.write(testData);
dof.flush();
bos.reset();
}
}
}
Result:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
at java.util.zip.DeflaterHuffman.tallyLit (DeflaterHuffman.java:751)
at java.util.zip.DeflaterEngine.deflateFast
(DeflaterEngine.java:524)
at java.util.zip.DeflaterEngine.deflate (DeflaterEngine.java:658)
at java.util.zip.Deflater.deflate (Deflater.java:462)
at java.util.zip.DeflaterOutputStream.deflate
(DeflaterOutputStream.java
:84)
at java.util.zip.DeflaterOutputStream.write
(DeflaterOutputStream.java:1
96)
at java.io.FilterOutputStream.write (FilterOutputStream.java:126)
at LeakTest.main (LeakTest.java)
_______________________________________________________
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