[MAPREDUCE-4072] User set java.library.path seems to overwrite default creating problems native lib loading

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.23.3, 2.0.2-alpha
• Component/s: mrv2
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: -Djava.library.path in mapred.child.java.opts can cause issues with native libraries. LD_LIBRARY_PATH through mapred.child.env should be used instead.
• Assignee: Anupam Seth
• Reporter: Anupam Seth
• Created: 27/Mar/12 18:16
• Updated: 07/Sep/12 21:03
• Resolved: 03/Apr/12 18:06

Description

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

Issue Links

• is related to: MAPREDUCE-3693 Add admin env to mapred-default.xml