[jira] [Resolved] (COMPRESS-117) Certain tar files not recognised by ArchiveStreamFactory

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[jira] [Resolved] (COMPRESS-117) Certain tar files not recognised by ArchiveStreamFactory

Gilles Sadowski (Jira)

     [ https://issues.apache.org/jira/browse/COMPRESS-117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb resolved COMPRESS-117.
---------------------------

       Resolution: Fixed
    Fix Version/s: 1.2

ArchiveStreamFactory now tries to read the first archive entry if the match test fails.

> Certain tar files not recognised by ArchiveStreamFactory
> --------------------------------------------------------
>
>                 Key: COMPRESS-117
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-117
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Archivers
>    Affects Versions: 1.1
>         Environment: MS Windows Vista, NetBeans IDE
>            Reporter: Leo Izen
>            Priority: Minor
>             Fix For: 1.2
>
>         Attachments: lzma912.tar
>
>
> Certain tar files, like this one: http://leo.scruffohio.net/cgi-bin/uploads/lzma912.tar aren't being recognized by the ArchiveInputStream detector.
> I can open this tar file perfectly well with WinRAR and 7-zip. Neither of these complain. I can also open it with the command tar -xvf. However, I narrowed it down, and it turns out the TarArchiveInputStream.matches() is returning false, even though it is a valid tar file. This glitch should be fixed.

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