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From "Stefan Bodewig (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COMPRESS-267) ArchiveStreamFactory throws "No Archiver found for the stream signature" on 7z files
Date Sat, 22 Feb 2014 16:19:20 GMT

    [ https://issues.apache.org/jira/browse/COMPRESS-267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13909423#comment-13909423
] 

Stefan Bodewig commented on COMPRESS-267:
-----------------------------------------

The reason is we don't provide any ArchiveInputStream for 7z, it can only work on Files (it
needs RandomAccessFile under the covers).

In the absence of a streaming implementation I don't see any way to resolve this.

The current sketch for Compress2 would cover such a case but is still a long way to go.

> ArchiveStreamFactory throws "No Archiver found for the stream signature" on 7z files
> ------------------------------------------------------------------------------------
>
>                 Key: COMPRESS-267
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-267
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Archivers
>    Affects Versions: 1.7
>            Reporter: Nick Burch
>
> Apache Tika makes use of ArchiveStreamFactory to handle a wide range of archive formats
(Zip, AR, CPIO, Tar etc)
> We've just upgraded to Commons Compress 1.7, and tried to make use of the new 7z support
to add in 7z handling too. However, when you try to call:
>             ArchiveStreamFactory factory = new ArchiveStreamFactory();
>             ArchiveInputStream ais = factory.createArchiveInputStream(stream);
> With a 7z file it fails with:
>     new ArchiveException("No Archiver found for the stream signature");



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