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From "Kihwal Lee (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4072) User set java.library.path seems to overwrite default creating problems native lib loading
Date Mon, 02 Apr 2012 21:13:31 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13244642#comment-13244642
] 

Kihwal Lee commented on MAPREDUCE-4072:
---------------------------------------

bq. I don't think that this is the correct place to make these changes.

You are right. I think there used to be one in launchContainer() but that must have already
been removed. Since the resource localizer is a part of YARN, we should leave it as is.
                
> User set java.library.path seems to overwrite default creating problems native lib loading
> ------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4072
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4072
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Anupam Seth
>            Assignee: Anupam Seth
>         Attachments: MAPREDUCE-4072-branch-23.patch
>
>
> This was found by Peeyush Bishnoi.
> While running a distributed cache example with Hadoop-0.23,
> tasks are failing as follows:
> ------------------------------------------------------------------------------------------------------------
> Exception from container-launch:
> org.apache.hadoop.util.Shell$ExitCodeException: at
> org.apache.hadoop.util.Shell.runCommand(Shell.java:261) at
> org.apache.hadoop.util.Shell.run(Shell.java:188) at
> org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:381) at
> org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor.launchContainer(LinuxContainerExecutor.java:207)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:241)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:68)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at
> java.util.concurrent.FutureTask.run(FutureTask.java:138) at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619) main : command provided 1 main : user
> is <user>
> ------------------------------------------------------------------------------------------------------------
> Same Pig script and command work successfully on 0.20
> See this in the stderr:
> Exception in thread "main" java.lang.ExceptionInInitializerError
>     at java.lang.Class.forName0(Native Method)
>     at java.lang.Class.forName(Class.java:247)
>     at
> org.apache.hadoop.conf.Configuration.getClassByNameOrNull(Configuration.java:1179)
>     at
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:1149)
>     at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1238)
>     at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1264)
>     at org.apache.hadoop.security.Groups.(Groups.java:54)
>     at
> org.apache.hadoop.security.Groups.getUserToGroupsMappingService(Groups.java:178)
>     at
> org.apache.hadoop.security.UserGroupInformation.initUGI(UserGroupInformation.java:252)
>     at
> org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:223)
>     at
> org.apache.hadoop.security.UserGroupInformation.setConfiguration(UserGroupInformation.java:265)
>     at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:75)
> Caused by: java.lang.RuntimeException: Bailing out since native library
> couldn't be loaded
>     at
> org.apache.hadoop.security.JniBasedUnixGroupsMapping.(JniBasedUnixGroupsMapping.java:48)
>     ... 12 more
> Pig command:
> $ pig -Dmapred.job.queue.name=<queue> -Dmapred.cache.archives=<archives>
-Dmapred.child.java.opts="-Djava.library.path=./ygeo/lib
> -Dip2geo.preLoadLibraries=<some other libs>" -Djava.io.tmpdir=/grid/0/tmp -Dmapred.create.symlink=yes
-Dmapred.job.map.memory.mb=3072 piggeoscript.pig

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