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https://issues.apache.org/jira/browse/COMPRESS-252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13864599#comment-13864599
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Livia Sarbu commented on COMPRESS-252:
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Hi Stefan, Happy New Year to you too!... happy indeed it seems, as I just
checked the new version from trunk and it works :) Thank you for the prompt fix
and I am sorry for not having time to check it earlier.
> Writing 7z empty entries produces incorrect or corrupt archive
> --------------------------------------------------------------
>
> Key: COMPRESS-252
> URL: https://issues.apache.org/jira/browse/COMPRESS-252
> Project: Commons Compress
> Issue Type: Bug
> Components: Archivers
> Affects Versions: 1.6
> Environment: eclipse 3.7.2, java 1.7
> Reporter: Livia Sarbu
> Priority: Blocker
> Labels: 7z
> Fix For: 1.7
>
> Attachments: CreateArchiveTest.java, EmptyTest.zip,
> Scenario2and4.1.jpg, Scenario3.jpg, Scenario4.2.jpg
>
>
> I couldn't find an exact rule that causes this incorrect behavior, but I
> tried to reduce it to some simple scenarios to reproduce it:
> Input: A folder with certain files -> tried to archive it.
> If the folder contains more than 7 files the incorrect behavior appears.
> Scenario 1: 7 empty files
> Result: The created archive contains a single folder entry with the name of
> the archive (no matter which was the name of the file)
> Scenario 2: 7 files, some empty, some with content
> Result: The created archive contains a folder entry with the name of the
> archive and a number of file entries also with the name of the archive. The
> number of the entries is equal to the number of non empty files.
> Scenario 3: 8 empty files
> Result: 7zip Manager cannot open archive and stops working.
> Scenario 4.1: 8 files: some empty, some with content, last file
> (alphabetically) with content
> Result: same behavior as described for Scenario 2.
> Scenario 4.2: 8 files, some empty, some with content, last file empy
> Result: archive is corrupt, the following message is received: "Cannot open
> file 'archivename.7z' as archive" (7Zip Manager does not crash).
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