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https://issues.apache.org/jira/browse/MAPREDUCE-4003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251433#comment-13251433
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toughman commented on MAPREDUCE-4003:
-------------------------------------
hello，but when i encouter this problem,there is no jvm memory error,and there
was no stdout/stderr files in the folder......
> log.index (No such file or directory) AND Task process exit with nonzero
> status of 126
> --------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4003
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4003
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: task-controller, tasktracker
> Affects Versions: 0.20.205.0, 1.0.1
> Environment: hadoop version -------Hadoop 0.20.2-cdh3u3
> uname -a: Linux xxxx 2.6.18-194.17.4.0.1.el5PAE #1 SMP Tue Oct 26 20:15:18
> EDT 2010 i686 i686 i386 GNU/Linux
> core-site.xml:<configuration>
> <property>
> <name>fs.default.name</name>
> <value>hdfs://xxxxx:8020</value>
> </property>
> <property>
> <name>hadoop.tmp.dir</name>
> <value>/home/hadoop/tmp20/</value>
> </property>
> </configuration>
> mapred-site.xml:
> <configuration>
> <property>
> <name>mapred.job.tracker</name>
> <value>192.168.9.60:9001</value>
> </property>
> <property> <name>mapred.local.dir</name>
> <value>/var/tmp/mapred/local</value> </property>
> <property> <name>mapred.system.dir</name> <value>/mapred/system</value>
> </property>
> </configuration>
> Reporter: toughman
> Assignee: Koji Noguchi
> Fix For: 1.1.0
>
> Attachments: MAPREDUCE-4003-branch1.patch, mapreduce-4003-1.patch
>
>
> hello，I have dwelled on this hadoop(cdhu3) problem for 2 days,I have tried
> every google method.This is the issue: when ran hadoop example "wordcount"
> ,the tasktracker's log in one slave node presented such errors
> 1.WARN org.apache.hadoop.mapred.DefaultTaskController: Task wrapper stderr:
> bash:
> /var/tmp/mapred/local/ttprivate/taskTracker/hdfs/jobcache/job_201203131751_0003/attempt_201203131751_0003_m_000006_0/taskjvm.sh:
> Permission denied
> 2.WARN org.apache.hadoop.mapred.TaskRunner:
> attempt_201203131751_0003_m_000006_0 : Child Error java.io.IOException: Task
> process exit with nonzero status of 126.
> 3.WARN org.apache.hadoop.mapred.TaskLog: Failed to retrieve stdout log for
> task: attempt_201203131751_0003_m_000003_0 java.io.FileNotFoundException:
> /usr/lib/hadoop-0.20/logs/userlogs/job_201203131751_0003/attempt_201203131751_0003_m_000003_0/log.index
> (No such file or directory)
> I could not find similar issues in google,just got some posts seem a little
> relevant ,which suggest: A. the ulimit of hadoop user----but my ulimit is set
> large enough for this bundled example;B. the memory used by jvm,but my jvm
> only use Xmx200m,too small to exceed the limit of my machine ;C.the privilege
> of the mapred.local.dir and logs dir----I set them by "chmod 777";D .the disk
> space is full----there are enough space for hadoop in my log directory and
> mapred.local.dir.
> Thanks for you all,I am really at my wit's end,I have spend days on it. I
> really appreciate any light!
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