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https://issues.apache.org/jira/browse/COMPRESS-206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter De Maeyer updated COMPRESS-206:
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Attachment: (was: GarbageBeyondEndTest.java)
> TarArchiveOutputStream sometimes writes garbage beyond the end of the archive
> -----------------------------------------------------------------------------
>
> Key: COMPRESS-206
> URL: https://issues.apache.org/jira/browse/COMPRESS-206
> Project: Commons Compress
> Issue Type: Bug
> Components: Compressors
> Affects Versions: 1.0, 1.4.1
> Environment: Linux x86
> Reporter: Peter De Maeyer
> Attachments: COMPRESS-206.patch
>
>
> For some combinations of file lengths, the archive created by
> TarArchiveOutputStream writes garbage beyond the end of the TAR stream.
> TarArchiveInputStream can still read the stream without problems, but it does
> not read beyond the garbage. This is problematic for my use case because I
> write a checksum _after_ the TAR content. If I then try to read the checksum
> back, I read garbage instead.
> Functional impact:
> * TarArchiveInputStream is asymmetrical with respect to
> TarArchiveOutputStream, in the sense that TarArchiveInputStream does not read
> everything that was written by TarArchiveOutputStream.
> * The content is unnecessarily large. The garbage is totally unnecessarily
> large: ~10K overhead compared to Linux command-line tar.
> This symptom is remarkably similar to #COMPRESS-81, which is supposedly fixed
> since 1.1. Except for the fact that this issue still exists... I've tested
> this with 1.0 and 1.4.1.
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