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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3124) mapper failed with failed to load native libs
Date Thu, 13 Oct 2011 15:36:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126669#comment-13126669

Hadoop QA commented on MAPREDUCE-3124:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  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.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1005//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1005//console

This message is automatically generated.
> mapper failed with failed to load native libs
> ---------------------------------------------
>                 Key: MAPREDUCE-3124
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3124
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Thomas Graves
>            Assignee: John George
>            Priority: Blocker
>             Fix For: 0.23.0
>         Attachments: MAPREDUCE-3124.patch, MAPREDUCE-3124.patch, MAPREDUCE-3124.patch
> hadoop jar hadoop-mapreduce-examples-*.jar sort -Dmapreduce.job.acl-view
> -job=* -Dmapreduce.map.output.compress=true 
> -Dmapreduce.map.output.compress.codec=org.apache.hadoop.io.compress.GzipCodec 
> -Dmapreduce.output.fileoutputformat.compress=true  -Dmapreduce.output.fileoutputformat.compression.type=NONE
> reduce.output.fileoutputformat.compression.codec=org.apache.hadoop.io.compress.GzipCodec
> org.apache.hadoop.io.Text -outValue org.apache.hadoop.io.Text  Compression/textinput
> This will fail with native libs not found error unless -Dmapred.child.java.opts='-Djava.library.path=${HADOOP_COMMON_HOME}/lib/native/Linux-i386-32'
is added.
> The error in container log:
> 2011-09-29 17:06:56,787 DEBUG org.apache.hadoop.util.NativeCodeLoader: Trying to load
the custom-built native-hadoop
> library...2011-09-29 17:06:56,787 DEBUG org.apache.hadoop.util.NativeCodeLoader: Failed
to load native-hadoop with
> error: java.lang.UnsatisfiedLinkError: no hadoop in java.library.path2011-09-29 17:06:56,787
> org.apache.hadoop.util.NativeCodeLoader:
> java.library.path=/share/gridjdk-1.6.0_21/jre/lib/i386/server:/share/gridjdk-1.6.0_21/jre/lib/i386:/share/gridjdk-1.6.0_21/jre/../lib/i386:/tmp/mapred-local/usercache/hadoopqa/appcache/application_1317314754104_0012/container_1317314754104_0012_01_000002:/current/lib:/usr/java/packages/lib/i386:/lib:/usr/lib2011-09-29
> 17:06:56,787 WARN org.apache.hadoop.util.NativeCodeLoader: Unable to load native-hadoop
library for your platform...
> using builtin-java classes where applicable
> Also note that the error that shows up at the application master for this is terrible:
> Container killed by the ApplicationMaster. Container killed on request. Exit code is
137 Too Many fetch failures.Failing the attempt 

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