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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2014/09/05 11:32:28 UTC

[jira] [Created] (HADOOP-11064) UnsatisifedLinkError with hadoop 2.4 JARs on hadoop-2.6 due NativeCRC32 method changes

Steve Loughran created HADOOP-11064:
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             Summary: 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
            Priority: Blocker


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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