ImageIO.read with PNG file

From:
Johannes Koch <koch@w3development.de>
Newsgroups:
comp.lang.java.help
Date:
Wed, 23 Aug 2006 10:07:55 +0200
Message-ID:
<44ec0cf7$0$17989$892e7fe2@authen.yellow.readfreenews.net>
Hi,

using JDK 1.5.0_04 I try to read a PNG image with ImageIO.read():

String uri = "http://www.w3.org/Icons/right.png";
//String uri = "http://www.w3.org/Icons/w3c_home.png";
try
{
     InputStream inputStream = new URL(uri).openStream();
     BufferedImage bufferedImage = ImageIO.read(inputStream);
}
catch (Exception e)
{
     e.printStackTrace();
}

I get the following exception:
java.lang.IllegalArgumentException: LUT has improper length!
    at
javax.imageio.ImageTypeSpecifier$Indexed.<init>(ImageTypeSpecifier.java:866)
    at
javax.imageio.ImageTypeSpecifier.createIndexed(ImageTypeSpecifier.java:955)
    at
com.sun.imageio.plugins.png.PNGImageReader.getImageTypes(PNGImageReader.java:1463)
    at
com.sun.imageio.plugins.png.PNGImageReader.readImage(PNGImageReader.java:1348)
    at
com.sun.imageio.plugins.png.PNGImageReader.read(PNGImageReader.java:1530)
    at javax.imageio.ImageIO.read(ImageIO.java:1400)
    at javax.imageio.ImageIO.read(ImageIO.java:1322)
    at ImageIOTest.main(ImageIOTest.java:26)

When I read the other file (http://www.w3.org/Icons/w3c_home.png)
everything is fine. Is this a problem with the PNGImageReader or with
the PNG image itself? Various image viewing programs can handle the image.
--
Johannes Koch
In te domine speravi; non confundar in aeternum.
                             (Te Deum, 4th cent.)

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