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https://issues.apache.org/jira/browse/COMPRESS-497?focusedWorklogId=335190&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-335190
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ASF GitHub Bot logged work on COMPRESS-497:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 28/Oct/19 21:03
Start Date: 28/Oct/19 21:03
Worklog Time Spent: 10m
Work Description: coveralls commented on issue #85: COMPRESS-497 Handle
missing endheader offset
URL: https://github.com/apache/commons-compress/pull/85#issuecomment-547144860
[](https://coveralls.io/builds/26602137)
Coverage increased (+0.02%) to 86.774% when pulling
**b1276999239851be5337708210c69df73de92434 on Skyr:master** into
**205876d6f9eb60ac31f3ec848b23d025f32995ab on apache:master**.
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Issue Time Tracking
-------------------
Worklog Id: (was: 335190)
Time Spent: 20m (was: 10m)
> Handle missing offset to end header in 7z
> -----------------------------------------
>
> Key: COMPRESS-497
> URL: https://issues.apache.org/jira/browse/COMPRESS-497
> Project: Commons Compress
> Issue Type: Improvement
> Components: Archivers
> Reporter: Stefan Schlott
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When dealing with multipart 7z files, it may occur that the start header is
> invalid (all zeros) - see [https://www.7-zip.org/recover.html], section
> "There is no correct End Header at the end of archive". This can happen if
> the first part of the file is moved while the overall operation hasn't
> finished yet (the start header is written as very last step).
> Detect a missing start header (all bytes are zero) and try to guess the end
> header.
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