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LZWDecoder - IndexOutOfBoundsException when reading some files

See original GitHub issue

When attempting to read and write certain grayscale tiffs, the following happens

The resulting image is always corrupted
Sometimes, an IndexOutOfBoundsException exception is raised when the LZWDecoder is is invoked via a call to com.twelvemonkeys.imageio.plugins.tiff.TIFFImageReader.read . This doesn’t always happen. I needed to run the test class a few times to see the exception.

Some files don’t have this issue, others do . See the code and test files for details

Thanks

test_and_data.zip

Exception details Exception in thread "main" java.lang.IndexOutOfBoundsException at java.nio.Buffer.checkIndex(Buffer.java:532) at java.nio.HeapByteBuffer.put(HeapByteBuffer.java:172) at com.twelvemonkeys.imageio.plugins.tiff.LZWDecoder$LZWString.writeTo(LZWDecoder.java:330) at com.twelvemonkeys.imageio.plugins.tiff.LZWDecoder.decode(LZWDecoder.java:129) at com.twelvemonkeys.io.enc.DecoderStream.fill(DecoderStream.java:178) at com.twelvemonkeys.io.enc.DecoderStream.read(DecoderStream.java:122) at com.twelvemonkeys.io.LittleEndianDataInputStream.readFully(LittleEndianDataInputStream.java:423) at com.twelvemonkeys.io.LittleEndianDataInputStream.readFully(LittleEndianDataInputStream.java:396) at com.twelvemonkeys.imageio.plugins.tiff.TIFFImageReader.readStripTileData(TIFFImageReader.java:1417) at com.twelvemonkeys.imageio.plugins.tiff.TIFFImageReader.read(TIFFImageReader.java:931) at javax.imageio.ImageIO.read(ImageIO.java:1448) at javax.imageio.ImageIO.read(ImageIO.java:1308) at ImagingIssue.main(ImagingIssue.java:24) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)

Issue Analytics

State:
Created 7 years ago
Comments:8 (5 by maintainers)

Top GitHub Comments

1reaction

haraldkcommented, Jul 26, 2016

Thanks!

I need to look into this some more when I find the time, but it looks like there’s a problem with the LZW decoding.

Harald K

0reactions

haraldkcommented, Nov 3, 2016

@balamuru This bugfix is now included in the official 3.3 release.

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