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Posted to issues@commons.apache.org by "Samuel Monsarrat (Jira)" <ji...@apache.org> on 2021/02/19 08:43:00 UTC

[jira] [Created] (IMAGING-282) NullPointerException in org.apache.commons.imaging.formats.gif.GifImageParser.getMetadata() when GraphicControlExtension is null

Samuel Monsarrat created IMAGING-282:
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             Summary: NullPointerException in org.apache.commons.imaging.formats.gif.GifImageParser.getMetadata() when GraphicControlExtension is null 
                 Key: IMAGING-282
                 URL: https://issues.apache.org/jira/browse/IMAGING-282
             Project: Commons Imaging
          Issue Type: Bug
          Components: Format: GIF
    Affects Versions: 1.0-alpha2
            Reporter: Samuel Monsarrat
         Attachments: problem.gif

The attached gif file produces a NullPointerException in org.apache.commons.imaging.formats.gif.GifImageParser.getMetadata() l553 due to variable id not having a GraphicControlExtension component (id.gce = null).

This is set to null in findAllImageData l715.

Elsewhere in org.apache.commons.imaging.formats.gif.GifImageParser is tested for null (l746).

This gif seems to contain incorrect metadata. Simply re-saving it with ImageMagick correct the issue but since the gif is correctly displayed by all viewers at my disposal it would seem that org.apache.commons.imaging needs to be more permissive.



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