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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11064) UnsatisifedLinkError with hadoop 2.4 JARs on hadoop-2.6 due NativeCRC32 method changes
Date Tue, 16 Sep 2014 01:19:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14134803#comment-14134803
] 

Hadoop QA commented on HADOOP-11064:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12668920/HADOOP-11064.004.patch
  against trunk revision 932ae03.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common:

                  org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/4735//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/4735//console

This message is automatically generated.

> 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
>
>
> 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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