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List:       jakarta-commons-dev
Subject:    [jira] [Commented] (SANSELAN-53) Bug in Sanselan.getImageInfo(File)
From:       "Dominic Early (JIRA)" <jira () apache ! org>
Date:       2011-06-30 20:01:28
Message-ID: 1409493791.6779.1309464088677.JavaMail.tomcat () hel ! zones ! apache ! org
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    [ https://issues.apache.org/jira/browse/SANSELAN-53?page=com.atlassian.jira.plugin \
.system.issuetabpanels:comment-tabpanel&focusedCommentId=13058042#comment-13058042 ] 

Dominic Early commented on SANSELAN-53:
---------------------------------------

Below is the output from running the attached SanselanTest.java application with the \
two attached .JPG files.  Observe that javax.imageio libraries are able to return the \
correct dimensions but the Sanselan calls result in a throwable:



Processsing file [NegativeArraySizeException.jpg]
javax.imageio Dimensions: {width=640.0,height=480.0}
Throwable occurred while processing file [NegativeArraySizeException.jpg]
java.lang.NegativeArraySizeException
	at org.apache.sanselan.formats.tiff.fieldtypes.FieldType.getRawBytes(FieldType.java:77)
  at org.apache.sanselan.formats.tiff.fieldtypes.FieldTypeUnknown.getSimpleValue(FieldTypeUnknown.java:42)
  at org.apache.sanselan.formats.tiff.constants.TagInfo.getValue(TagInfo.java:98)
	at org.apache.sanselan.formats.tiff.constants.TagInfo$Unknown.getValue(TagInfo.java:443)
  at org.apache.sanselan.formats.tiff.TiffField.getValue(TiffField.java:577)
	at org.apache.sanselan.formats.tiff.TiffField.getValueDescription(TiffField.java:317)
  at org.apache.sanselan.formats.tiff.TiffImageMetadata$Item.<init>(TiffImageMetadata.java:193)
  at org.apache.sanselan.formats.tiff.TiffImageMetadata$Directory.add(TiffImageMetadata.java:65)
  at org.apache.sanselan.formats.tiff.TiffImageParser.getMetadata(TiffImageParser.java:143)
  at org.apache.sanselan.ImageParser.getMetadata(ImageParser.java:81)
	at org.apache.sanselan.formats.jpeg.JpegImageParser.getExifMetadata(JpegImageParser.java:366)
  at org.apache.sanselan.formats.jpeg.JpegImageParser.getMetadata(JpegImageParser.java:307)
  at org.apache.sanselan.formats.jpeg.JpegImageParser.getImageInfo(JpegImageParser.java:729)
  at org.apache.sanselan.Sanselan.getImageInfo(Sanselan.java:589)
	at org.apache.sanselan.Sanselan.getImageInfo(Sanselan.java:563)
	at org.apache.sanselan.Sanselan.getImageInfo(Sanselan.java:582)
	at SanselanTest.main(SanselanTest.java:67)
Processsing file [OutOfMemoryError.jpg]
javax.imageio Dimensions: {width=640.0,height=480.0}
Throwable occurred while processing file [OutOfMemoryError.jpg]
java.lang.OutOfMemoryError: Java heap space

> Bug in Sanselan.getImageInfo(File) with certain JPEGs causing \
>                 java.lang.OutOfMemoryError or java.lang.NegativeArraySizeException
> --------------------------------------------------------------------------------------------------------------------------------
>  
> Key: SANSELAN-53
> URL: https://issues.apache.org/jira/browse/SANSELAN-53
> Project: Commons Sanselan
> Issue Type: Bug
> Affects Versions: 0.94-incubator
> Environment: Windows, Unix
> Sun Java JVM (multiple versions)
> Reporter: Dominic Early
> Attachments: NegativeArraySizeException.jpg, OutOfMemoryError.jpg, \
> SanselanTest.java, SanselanTest.java 
> 
> In order to extract JPEG image dimensions, Apache Commons Sanselan (0.97) was used \
> as follows: File imgfile = new File("./test.jpg");
> org.apache.sanselan.Sanselan.getImageInfo(imgfile);
> For most JPEG images, this code works as expected.  However with specific JPEG \
> files, the call to getImageInfo() causes a repeatable java.lang.OutOfMemoryError or \
> java.lang.NegativeArraySizeException - depending upon the input JPEG file.  The \
> same files can be processed with javax.imageio.ImageReader without such issues. The \
> OutOfMemoryError is especially serious as it may cause JVM to fail.

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