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https://issues.apache.org/jira/browse/COMPRESS-479?focusedWorklogId=213021&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-213021
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ASF GitHub Bot logged work on COMPRESS-479:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 14/Mar/19 09:53
Start Date: 14/Mar/19 09:53
Worklog Time Spent: 10m
Work Description: coveralls commented on issue #75: COMPRESS-479 Do not
use content of extra field on unknown version
URL: https://github.com/apache/commons-compress/pull/75#issuecomment-472779560
[](https://coveralls.io/builds/22176210)
Coverage decreased (-0.007%) to 86.633% when pulling
**a4357c6fe01450707a8be4829dedb3c5f6d6acc5 on theobisproject:COMPRESS-479**
into **1881a202fbec4466f3766eaa0057370d7007401b on apache:master**.
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Issue Time Tracking
-------------------
Worklog Id: (was: 213021)
Time Spent: 0.5h (was: 20m)
> Unable to extract Zip with unknown UniCode path extra data version
> ------------------------------------------------------------------
>
> Key: COMPRESS-479
> URL: https://issues.apache.org/jira/browse/COMPRESS-479
> Project: Commons Compress
> Issue Type: Bug
> Affects Versions: 1.18
> Reporter: Robin Schimpf
> Priority: Major
> Attachments: unicode-test10509149899131946592.zip
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The following exception is thrown when the version of the UniCode path extra
> data version is not 1. 7-Zip and Windows Explorer will extract the attached
> file. The version in the file was changed via a Hex editor to provoke the
> error.
> {code:java}
> java.lang.RuntimeException: Error parsing extra fields for entry:
> %U20AC_for_Dollar.txt - Unsupported version [116] for UniCode path extra data.
> at
> org.apache.commons.compress.archivers.zip.ZipArchiveEntry.setExtra(ZipArchiveEntry.java:626)
> at
> org.apache.commons.compress.archivers.zip.ZipArchiveInputStream.getNextZipEntry(ZipArchiveInputStream.java:315)
> at
> org.apache.commons.compress.archivers.zip.ZipArchiveInputStream.getNextEntry(ZipArchiveInputStream.java:408)
> at
> org.apache.commons.compress.archivers.zip.UTF8ZipFilesTest.testZipFileReadsUnicodeFields(UTF8ZipFilesTest.java:186)
> ...
> Caused by: java.util.zip.ZipException: Unsupported version [116] for UniCode
> path extra data.
> at
> org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.parseFromLocalFileData(AbstractUnicodeExtraField.java:172)
> at
> org.apache.commons.compress.archivers.zip.ExtraFieldUtils.parse(ExtraFieldUtils.java:180)
> at
> org.apache.commons.compress.archivers.zip.ZipArchiveEntry.setExtra(ZipArchiveEntry.java:620)
> {code}
> As I understand the specification in Section 4.6.8 and 4.6.9 when the version
> is unknown the information shoule be ignored.
> Changes MAY NOT be backward compatible so this extra field *SHOULD NOT be
> used if the version is not recognized*.
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