[ 
https://issues.apache.org/jira/browse/COMPRESS-477?focusedWorklogId=356152&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-356152
 ]

ASF GitHub Bot logged work on COMPRESS-477:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 09/Dec/19 13:18
            Start Date: 09/Dec/19 13:18
    Worklog Time Spent: 10m 
      Work Description: PeterAlfreadLee commented on issue #86: COMPRESS-477 
building a split zip
URL: https://github.com/apache/commons-compress/pull/86#issuecomment-563233979
 
 
   > Actually both master and this branch neglect the possibility of the number 
of disks requiring Zip64 extra handling. TBH I find the idea of a split ZIP 
archive that spans more than 64k files a bit disturbing and would address it 
with a separate change independent of this PR.
   
   You are right. I forgot to take the Zip64 into consideration. I'll also look 
into this later. And I agree that a separate PR maybe a good idea.
 
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
[email protected]


Issue Time Tracking
-------------------

    Worklog Id:     (was: 356152)
    Time Spent: 11h 50m  (was: 11h 40m)

> Support for split 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
>             Fix For: 1.20
>
>          Time Spent: 11h 50m
>  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}



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

Reply via email to