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https://issues.apache.org/jira/browse/COMPRESS-477?focusedWorklogId=343050&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-343050
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ASF GitHub Bot logged work on COMPRESS-477:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 14/Nov/19 01:12
Start Date: 14/Nov/19 01:12
Worklog Time Spent: 10m
Work Description: PeterAlfreadLee commented on issue #84: COMPRESS-477
Add support for extracting splitted zip files
URL: https://github.com/apache/commons-compress/pull/84#issuecomment-553677838
Hi, @bodewig
How is this PR being reviewed by now? Please feel free to let me know any
kind of problems I need to modify.
I have already pushed the new PR about building a split zip. Unfortunely
there are some minor merge conflicts in the new PR with this PR(like
`getBaseName`, adding `diskNumberStart` in `ZipArchiveEntry` and some files for
testing), and some testcases need to be added to valid the building of split
zip(I can also import a new library to validate it, but I don't want to do
that). I hope this PR could be merged so that I can resolve these conflists,
but of course you can merge them and resoulve these problems by yourself. It's
all up to you.
Thank you for your effort creating such a great library.
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Issue Time Tracking
-------------------
Worklog Id: (was: 343050)
Time Spent: 3.5h (was: 3h 20m)
> Support for splitted zip files
> ------------------------------
>
> Key: COMPRESS-477
> URL: https://issues.apache.org/jira/browse/COMPRESS-477
> Project: Commons Compress
> Issue Type: New Feature
> Components: Archivers
> Affects Versions: 1.18
> Reporter: Luís Filipe Nassif
> Priority: Major
> Labels: zip
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> It would be very useful to support splitted zip files. I've read
> [https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT] 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: java.util.zip.ZipException: archive's ZIP64 end of central
> directory locator is corrupt.
> at
> org.apache.commons.compress.archivers.zip.ZipFile.positionAtCentralDirectory64(ZipFile.java:924)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.positionAtCentralDirectory(ZipFile.java:901)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.populateFromCentralDirectory(ZipFile.java:621)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:295)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:280)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:236)
> ~[commons-compress-1.18.jar:1.18]
> {code}
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