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https://issues.apache.org/jira/browse/SPARK-22851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-22851.
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Resolution: Not A Problem
That's great research. Yes, consistent with the bug report above too. OK, I
think this is unfortunately out of our hands, but at least we verified the
artifact and checksum are correct at the sources, and what reaches users is
still the correct archive.
> Download mirror for spark-2.2.1-bin-hadoop2.7.tgz has file with incorrect
> checksum
> ----------------------------------------------------------------------------------
>
> Key: SPARK-22851
> URL: https://issues.apache.org/jira/browse/SPARK-22851
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.2.1
> Reporter: John Brock
> Priority: Critical
>
> The correct sha512 is:
> 349ee4bc95c760259c1c28aaae0d9db4146115b03d710fe57685e0d18c9f9538d0b90d9c28f4031ed45f69def5bd217a5bf77fd50f685d93eb207445787f2685.
> However, the file I downloaded from
> http://apache.mirrors.pair.com/spark/spark-2.2.1/spark-2.2.1-bin-hadoop2.7.tgz
> is giving me a different sha256:
> 039935ef9c4813eca15b29e7ddf91706844a52287999e8c5780f4361b736eb454110825224ae1b58cac9d686785ae0944a1c29e0b345532762752abab9b2cba9
> It looks like this mirror has a file that isn't actually gzipped, just
> tarred. If I ungzip one of the copies of spark-2.2.1-bin-hadoop2.7.tgz with
> the correct sha512, and take the sha512 of the resulting tar, I get the same
> incorrect hash above of
> 039935ef9c4813eca15b29e7ddf91706844a52287999e8c5780f4361b736eb454110825224ae1b58cac9d686785ae0944a1c29e0b345532762752abab9b2cba9.
> I asked some colleagues to download the incorrect file themselves to check
> the hash -- some of them got a file that was gzipped and some didn't. I'm
> assuming there's some caching or mirroring happening that may give you a
> different file than the one I got.
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