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https://issues.apache.org/jira/browse/HADOOP-11064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14146909#comment-14146909
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Colin Patrick McCabe commented on HADOOP-11064:
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Thank you for taking the lead on this, Chris. I still find this an unpleasant
solution, but it looks like what we're going to go with for 2.6. Sorry that I
have not had time to call a meeting due to schedule constraints.
+1 for the patch pending jenkins
> UnsatisifedLinkError with hadoop 2.4 JARs on hadoop-2.6 due NativeCRC32
> method changes
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-11064
> URL: https://issues.apache.org/jira/browse/HADOOP-11064
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 2.6.0
> Environment: Hadoop 2.6 cluster, trying to run code containing hadoop
> 2.4 JARs
> Reporter: Steve Loughran
> Assignee: Colin Patrick McCabe
> Priority: Blocker
> Attachments: HADOOP-11064.001.patch, HADOOP-11064.002.patch,
> HADOOP-11064.003.patch, HADOOP-11064.004.patch, HADOOP-11064.005.patch,
> HADOOP-11064.006.patch
>
>
> The private native method names and signatures in {{NativeCrc32}} were
> changed in HDFS-6561 ... as a result hadoop-common-2.4 JARs get unsatisifed
> link errors when they try to perform checksums.
> This essentially stops Hadoop 2.4 applications running on Hadoop 2.6 unless
> rebuilt and repackaged with the hadoop- 2.6 JARs
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