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https://issues.apache.org/jira/browse/COMPRESS-603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17488585#comment-17488585
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Matt Sicker commented on COMPRESS-603:
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I'll have to reproduce this issue again. I'll get further details from there.
Did you use GNU tar, bsdtar, or something else when you first tried to create
foo.tar yourself? I used GNU tar for the attached file, though it might be an
issue with other tar files.
> Expander does not support archives with archive entries beginning with ./
> -------------------------------------------------------------------------
>
> Key: COMPRESS-603
> URL: https://issues.apache.org/jira/browse/COMPRESS-603
> Project: Commons Compress
> Issue Type: Bug
> Components: Archivers
> Affects Versions: 1.21
> Reporter: Matt Sicker
> Priority: Major
> Attachments: test.tar.gz
>
>
> Suppose I create a tar file from a directory like so:
>
> {code:java}
> tar -cf foo.tar ./foo{code}
> When I try to extract the tar entries using the Expander class, that throws a
> java.io.IOException: Expanding ./ would create file outside of ...
> When I create the tar file without the leading ./, then Expander doesn't
> complain.
>
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