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Posted to common-dev@hadoop.apache.org by "Jai Kumar Singh (Created) (JIRA)" <ji...@apache.org> on 2012/01/21 19:23:40 UTC
[jira] [Created] (HADOOP-7989) [ec2] hadoop Could not create the
Java virtual machine
[ec2] hadoop Could not create the Java virtual machine
------------------------------------------------------
Key: HADOOP-7989
URL: https://issues.apache.org/jira/browse/HADOOP-7989
Project: Hadoop Common
Issue Type: Bug
Environment: Amazon EC2 m1.large instance (AMI-ID ami-fd589594)
Reporter: Jai Kumar Singh
On Amazon EC2, If I set mapred.child.java.opts to "-Xmx512m". Job execution fails saying that "Could Not create the java virtual machine"
If unset mapred.child.java.opts everything runs fine. I've even tried the same thing on c1.xlarge instances but with the same result.
I'll add full logs. I need to set mapred.child.java.opts becuase my reduce program are memory hungry.
I've been trying to setup a map-reduce cluster on ec2 for last two days via whirr, but this error was recurring. At first I thought It might be whirr
specific, so I manuualy setting up the cluster also resulted in same.
<snippet>
ubuntu@ip-10-84-237-173:~/workspace$ hadoop jar $HADOOP_HOME/*examples*.jar wordcount in out
12/01/21 18:08:28 INFO input.FileInputFormat: Total input paths to process : 16
12/01/21 18:08:28 INFO mapred.JobClient: Running job: job_201201211751_0007
12/01/21 18:08:29 INFO mapred.JobClient: map 0% reduce 0%
12/01/21 18:08:35 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_m_000017_0, Status : FAILED
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
12/01/21 18:08:35 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_0&filter=stdout
12/01/21 18:08:35 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_0&filter=stderr
12/01/21 18:08:41 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_r_000002_0, Status : FAILED
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
12/01/21 18:08:41 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_0&filter=stdout
12/01/21 18:08:41 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_0&filter=stderr
12/01/21 18:08:47 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_m_000017_1, Status : FAILED
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
12/01/21 18:08:47 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_1&filter=stdout
12/01/21 18:08:47 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_1&filter=stderr
12/01/21 18:08:53 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_r_000002_1, Status : FAILED
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.io.IOException: Task process exit with nonzero status of 1.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
12/01/21 18:08:53 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_1&filter=stdout
12/01/21 18:08:53 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_1&filter=stderr
12/01/21 18:09:01 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_m_000017_2, Status : FAILED
java.lang.Throwable: Child Error
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
</snippet>
<snippet>
ubuntu@ip-10-12-15-189:~/workspace$ cat ~/hadoop/logs/userlogs/job_201201211751_0007/attempt_201201211751_0007_m_000016_1/std*
Could not create the Java virtual machine.
Error occurred during initialization of VM
Could not reserve enough space for object heap
ubuntu@ip-10-12-15-189:~/workspace$
</snippet>
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[jira] [Resolved] (HADOOP-7989) [ec2] hadoop Could not create the
Java virtual machine
Posted by "Jai Kumar Singh (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-7989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jai Kumar Singh resolved HADOOP-7989.
-------------------------------------
Resolution: Not A Problem
It was a setting problem. (by whirr) ulimit was not set to unlimited which was causing jvm to fail.
> [ec2] hadoop Could not create the Java virtual machine
> ------------------------------------------------------
>
> Key: HADOOP-7989
> URL: https://issues.apache.org/jira/browse/HADOOP-7989
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.20.205.0
> Environment: Amazon EC2 m1.large instance (AMI-ID ami-fd589594)
> Reporter: Jai Kumar Singh
>
> On Amazon EC2, If I set mapred.child.java.opts to "-Xmx512m". Job execution fails saying that "Could Not create the java virtual machine"
> If unset mapred.child.java.opts everything runs fine. I've even tried the same thing on c1.xlarge instances but with the same result.
> I'll add full logs. I need to set mapred.child.java.opts becuase my reduce program are memory hungry.
> I've been trying to setup a map-reduce cluster on ec2 for last two days via whirr, but this error was recurring. At first I thought It might be whirr
> specific, but manual ec2 cluster also resulted in same.
> <snippet>
> ubuntu@ip-10-84-237-173:~/workspace$ hadoop jar $HADOOP_HOME/*examples*.jar wordcount in out
> 12/01/21 18:08:28 INFO input.FileInputFormat: Total input paths to process : 16
> 12/01/21 18:08:28 INFO mapred.JobClient: Running job: job_201201211751_0007
> 12/01/21 18:08:29 INFO mapred.JobClient: map 0% reduce 0%
> 12/01/21 18:08:35 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_m_000017_0, Status : FAILED
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
> Caused by: java.io.IOException: Task process exit with nonzero status of 1.
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
> 12/01/21 18:08:35 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_0&filter=stdout
> 12/01/21 18:08:35 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_0&filter=stderr
> 12/01/21 18:08:41 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_r_000002_0, Status : FAILED
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
> Caused by: java.io.IOException: Task process exit with nonzero status of 1.
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
> 12/01/21 18:08:41 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_0&filter=stdout
> 12/01/21 18:08:41 WARN mapred.JobClient: Error reading task outputhttp://ip-10-12-15-189.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_0&filter=stderr
> 12/01/21 18:08:47 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_m_000017_1, Status : FAILED
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
> Caused by: java.io.IOException: Task process exit with nonzero status of 1.
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
> 12/01/21 18:08:47 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_1&filter=stdout
> 12/01/21 18:08:47 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_m_000017_1&filter=stderr
> 12/01/21 18:08:53 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_r_000002_1, Status : FAILED
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
> Caused by: java.io.IOException: Task process exit with nonzero status of 1.
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
> 12/01/21 18:08:53 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_1&filter=stdout
> 12/01/21 18:08:53 WARN mapred.JobClient: Error reading task outputhttp://ip-10-32-50-20.ec2.internal:50060/tasklog?plaintext=true&attemptid=attempt_201201211751_0007_r_000002_1&filter=stderr
> 12/01/21 18:09:01 INFO mapred.JobClient: Task Id : attempt_201201211751_0007_m_000017_2, Status : FAILED
> java.lang.Throwable: Child Error
> at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
> </snippet>
> <snippet>
> ubuntu@ip-10-12-15-189:~/workspace$ cat ~/hadoop/logs/userlogs/job_201201211751_0007/attempt_201201211751_0007_m_000016_1/std*
> Could not create the Java virtual machine.
> Error occurred during initialization of VM
> Could not reserve enough space for object heap
> ubuntu@ip-10-12-15-189:~/workspace$
> </snippet>
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