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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] [Created] (COMPRESS-538) ZipArchiveOutputStream with File constructor adds Zip64ExtendedInformationExtraField even when zip64 is not required.

Pritesh created COMPRESS-538:
--------------------------------

             Summary: ZipArchiveOutputStream with 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


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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