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Posted to issues@commons.apache.org by "Nick Burch (JIRA)" <ji...@apache.org> on 2015/05/23 14:04:17 UTC

[jira] [Created] (COMPRESS-316) CompressorStreamFactory doesn't handle deflate streams with a zlib header

Nick Burch created COMPRESS-316:
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             Summary: CompressorStreamFactory doesn't handle deflate streams with a zlib header
                 Key: COMPRESS-316
                 URL: https://issues.apache.org/jira/browse/COMPRESS-316
             Project: Commons Compress
          Issue Type: Bug
          Components: Compressors
    Affects Versions: 1.9
            Reporter: Nick Burch


If you take a zlib / deflate compressed file, with the zlib header (eg the test file bla.tar.deflatez) and pass it to CompressorStreamFactory.createCompressorInputStream, it won't be detected and you'll get a CompressorException("No Compressor found for the stream signature.")

While detecting header-less zlib files is probably too tricky to manage, those with the header ought to be possible to spot and handle



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