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From "ASF GitHub Bot (Jira)" <>
Subject [jira] [Work logged] (COMPRESS-477) Support for splitted zip files
Date Thu, 24 Oct 2019 13:30:01 GMT


ASF GitHub Bot logged work on COMPRESS-477:

                Author: ASF GitHub Bot
            Created on: 24/Oct/19 13:29
            Start Date: 24/Oct/19 13:29
    Worklog Time Spent: 10m 
      Work Description: PeterAlfreadLee commented on issue #84: COMPRESS-477 Add support for
extracting splitted zip files
   I‘m not sure if I need to add the zip split support for `ZipArchiveInputStream`.
   It seems the `ZipArchiveInputStream` just ignored the Central Directory Header and the
End Of Central Directory Record. It just read the Local File Header and extract file by file.
   Support for zip split of `ZipArchiveInputStream` seems pretty easy : just create an input
stream that combine all zip split segments and ignore the first 4 bytes of Zip Split Signature.
   Please let me know if I need to add the support for splitted zip of `ZipArchiveInputStream`
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Issue Time Tracking

    Worklog Id:     (was: 333400)
    Time Spent: 20m  (was: 10m)

> Support for splitted zip files
> ------------------------------
>                 Key: COMPRESS-477
>                 URL:
>             Project: Commons Compress
>          Issue Type: New Feature
>          Components: Archivers
>    Affects Versions: 1.18
>            Reporter: Luís Filipe Nassif
>            Priority: Major
>              Labels: zip
>          Time Spent: 20m
>  Remaining Estimate: 0h
> It would be very useful to support splitted zip files. I've read [] and
understood that simply concatenating the segments and removing the split signature 0x08074b50
from first segment would be sufficient, but it is not that simple because compress fails with
exception below:
> {code}
> Caused by: archive's ZIP64 end of central directory locator
is corrupt.
>  at
>  at
>  at
>  at<init>(
>  at<init>(
>  at<init>(
> {code}

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