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From "Stefan Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COMPRESS-256) 7z: 16 MB dictionary is too big
Date Tue, 21 Jan 2014 15:09:19 GMT

    [ https://issues.apache.org/jira/browse/COMPRESS-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13877513#comment-13877513
] 

Stefan Mueller commented on COMPRESS-256:
-----------------------------------------

I attached the archive with the problem.
Btw. besides the two problem-archives I have got a third archive with same settings that works
without problems.

> 7z: 16 MB dictionary is too big
> -------------------------------
>
>                 Key: COMPRESS-256
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-256
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Archivers
>    Affects Versions: 1.6, 1.7
>            Reporter: Stefan Mueller
>            Priority: Minor
>              Labels: 7zip
>         Attachments: dictTooBig.7z
>
>
> I created an archiv with 7zip 9.20 containing the compress-1.7-src directory. Also tried
it with 1.6 version and directory. I 
> downloaded the zip file and reziped it as 7z. The standard setting where used:
> Compression level: normal
> Compression method: lzma2
> Dictionary size: 16 MB
> Word size: 32
> Solid Block size: 2 GB
> I get an exception if I try to open the file with the simple line of code:
> SevenZFile input = new SevenZFile(new File(arcName));
> Maybe it is a bug in the tukaani library, but I do not know how to report it to them.
> The exception thrown:
> org.tukaani.xz.UnsupportedOptionsException: LZMA dictionary is too big for this implementation
> 	at org.tukaani.xz.LZMAInputStream.initialize(Unknown Source)
> 	at org.tukaani.xz.LZMAInputStream.<init>(Unknown Source)
> 	at org.apache.commons.compress.archivers.sevenz.Coders$LZMADecoder.decode(Coders.java:117)
> 	at org.apache.commons.compress.archivers.sevenz.Coders.addDecoder(Coders.java:48)
> 	at org.apache.commons.compress.archivers.sevenz.SevenZFile.readEncodedHeader(SevenZFile.java:278)
> 	at org.apache.commons.compress.archivers.sevenz.SevenZFile.readHeaders(SevenZFile.java:190)
> 	at org.apache.commons.compress.archivers.sevenz.SevenZFile.<init>(SevenZFile.java:94)
> 	at org.apache.commons.compress.archivers.sevenz.SevenZFile.<init>(SevenZFile.java:116)
> 	at compress.SevenZipError.main(SevenZipError.java:28)



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