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[Bug classpath/27435] New: java.util.zip - ArrayIndexOutOfBoundsExceptio
From: |
krasoft at hotmail dot com |
Subject: |
[Bug classpath/27435] New: java.util.zip - ArrayIndexOutOfBoundsException uding deflateFast() |
Date: |
4 May 2006 18:32:44 -0000 |
Using fast ZIP compression ("1" in my case) I get the following exception:
java.lang.ArrayIndexOutOfBoundsException: 16384
at java.util.zip.DeflaterHuffman.tallyDist(DeflaterHuffman.java:762)
at java.util.zip.DeflaterEngine.deflateFast(DeflaterEngine.java:500)
at java.util.zip.DeflaterEngine.deflate(DeflaterEngine.java:658)
at java.util.zip.Deflater.deflate(Deflater.java:442)
at
java.util.zip.DeflaterOutputStream.deflate(DeflaterOutputStream.java:84)
at
java.util.zip.DeflaterOutputStream.write(DeflaterOutputStream.java:196)
...
The index gets out of bounds because in the deflateFast() it keeps looping
after huffman.tallyDist() even if the buffer is full.
I think, you need to remove the "continue" command from the line 519 of the
DeflaterEngine.deflateFast() to let it check if the buffer is full to flush and
reset:
private boolean deflateFast() {
while ()
if () {
huffman.tallyDist();
// continue;
} else {
huffman.tallyLit();
}
if (huffman.isFull()) {
huffman.flushBlock();
return !lastBlock;
}
}
return true;
}
I hope you've got the idea.
Thanks,
Pavel Krassikov
--
Summary: java.util.zip - ArrayIndexOutOfBoundsException uding
deflateFast()
Product: classpath
Version: 0.90
Status: UNCONFIRMED
Severity: critical
Priority: P3
Component: classpath
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: krasoft at hotmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27435
- [Bug classpath/27435] New: java.util.zip - ArrayIndexOutOfBoundsException uding deflateFast(),
krasoft at hotmail dot com <=
- [Bug classpath/27435] java.util.zip - ArrayIndexOutOfBoundsException uding deflateFast(), gnu_andrew at member dot fsf dot org, 2006/05/07
- [Bug classpath/27435] java.util.zip - ArrayIndexOutOfBoundsException uding deflateFast(), gnu_andrew at member dot fsf dot org, 2006/05/07
- [Bug classpath/27435] java.util.zip - ArrayIndexOutOfBoundsException uding deflateFast(), gnu_andrew at member dot fsf dot org, 2006/05/07
- [Bug classpath/27435] java.util.zip - ArrayIndexOutOfBoundsException uding deflateFast(), gnu_andrew at member dot fsf dot org, 2006/05/07
- [Bug classpath/27435] java.util.zip - ArrayIndexOutOfBoundsException uding deflateFast(), cvs-commit at developer dot classpath dot org, 2006/05/15