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https://issues.apache.org/jira/browse/COMPRESS-380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16314000#comment-16314000
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Dawid Weiss commented on COMPRESS-380:
--------------------------------------
Ran a super-quick sanity check on a huge zip of my local files (~8gb) and I get
this.
{code}
Exception in thread "main" java.lang.NullPointerException
at
org.apache.commons.compress.compressors.deflate64.HuffmanDecoder.buildTree(HuffmanDecoder.java:417)
at
org.apache.commons.compress.compressors.deflate64.HuffmanDecoder.populateDynamicTables(HuffmanDecoder.java:343)
at
org.apache.commons.compress.compressors.deflate64.HuffmanDecoder.decode(HuffmanDecoder.java:156)
at
org.apache.commons.compress.compressors.deflate64.Deflate64CompressorInputStream.read(Deflate64CompressorInputStream.java:77)
at java.io.InputStream.read(InputStream.java:101)
at dweiss.Check.main(Check.java:20)
{code}
I didn't even check what it is and have to run now.
> Support for ENHANCED_DEFLATED (Deflate64) in ZIP files
> ------------------------------------------------------
>
> Key: COMPRESS-380
> URL: https://issues.apache.org/jira/browse/COMPRESS-380
> Project: Commons Compress
> Issue Type: New Feature
> Reporter: Dawid Weiss
> Fix For: 1.16
>
> Attachments: archive-deflate.zip, archive-deflate64.zip, archive.zip,
> archive64.zip, compress-380.diff, hello.world, input2
>
>
> Some of the (large) ZIP files we try to process currently will throw this:
> {code}
> UnsupportedZipFeatureException: unsupported feature method
> 'ENHANCED_DEFLATED'
> {code}
> which is a bummer since JDK's implementation also doesn't support Deflate64.
> This seems to be PKWare's extensions, although code to decrypt it exists in
> zlib (and is appropriately licensed, I believe).
> https://github.com/madler/zlib/tree/master/contrib/infback9
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