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Posted to issues@commons.apache.org by "Pritesh (Jira)" <ji...@apache.org> on 2020/06/16 03:46:00 UTC

[jira] [Updated] (COMPRESS-538) Zip entry created using ZipArchiveOutputStream(File) constructor adds Zip64ExtendedInformationExtraField even when zip64 is not required.

     [ https://issues.apache.org/jira/browse/COMPRESS-538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pritesh updated COMPRESS-538:
-----------------------------
    Summary: Zip entry created using ZipArchiveOutputStream(File) constructor adds Zip64ExtendedInformationExtraField even when zip64 is not required.  (was: ZipArchiveOutputStream with File constructor adds Zip64ExtendedInformationExtraField even when zip64 is not required.)

> Zip entry created using ZipArchiveOutputStream(File) constructor adds Zip64ExtendedInformationExtraField even when zip64 is not required.
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: COMPRESS-538
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-538
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Archivers
>    Affects Versions: 1.8
>            Reporter: Pritesh
>            Priority: Major
>
> When creating a zip file using [ZipArchiveOutputStream(File)|https://commons.apache.org/proper/commons-compress/apidocs/org/apache/commons/compress/archivers/zip/ZipArchiveOutputStream.html#ZipArchiveOutputStream-java.io.File-] constructor each entry get an extra `Zip64ExtendedInformationExtraField` header which shouldn't be there. 
> {code:java}
>     public static void main(String[] args) throws IOException {
>         // Create file
>         final File file = File.createTempFile("apache_", ".zip");
>         try ( ZipArchiveOutputStream zos = new ZipArchiveOutputStream(file)) {
>             zos.putArchiveEntry(new ZipArchiveEntry("TextFile1.txt"));
>             zos.closeArchiveEntry();
>         }
>         // List Headers File
>         final ZipFile zipFile = new ZipFile(file);
>         final Enumeration<? extends ZipArchiveEntry> entries = zipFile.getEntries();
>         while (entries.hasMoreElements()) {
>             final ZipArchiveEntry entry = entries.nextElement();
>             for (ZipExtraField zipExtraField : entry.getExtraFields()) {
>                 System.out.println("EntryName:" + entry.getName() + " Header: "+ zipExtraField.getHeaderId().getValue());
>             }
>         }
>     }
> {code}



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