Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS, mail # dev - java.lang.OutOfMemoryError: Java heap space No matter the size of the input its given


Copy link to this message
-
Re: java.lang.OutOfMemoryError: Java heap space No matter the size of the input its given
madhu phatak 2012-04-11, 04:56
Hi ,
Can you see if any of your logic going for an infinite loop in mapper?

On Wed, Apr 11, 2012 at 4:47 AM, SRIKANTH KOMMINENI (RIT Student) <
[EMAIL PROTECTED]> wrote:

> Can you please help me resolve this issue.
>
> The following is the error that I get no matter how small the input the
> program is fed with.
> I tried changing the default heap size of hadoop in the conf/hadoop-env.sh
> but that also did not help.
>
> The following is the error that i get.
>
>
>
> Wrote input for Map #9
> Starting Job
> 12/04/10 19:12:23 WARN mapred.JobClient: No job jar file set.  User classes
> may not be found. See JobConf(Class) or JobConf#setJar(String).
> 12/04/10 19:12:23 INFO mapred.FileInputFormat: Total input paths to process
> : 10
> 12/04/10 19:12:23 INFO mapred.JobClient: Running job: job_local_0001
> 12/04/10 19:12:23 INFO util.ProcessTree: setsid exited with exit code 0
> 12/04/10 19:12:23 INFO mapred.Task:  Using ResourceCalculatorPlugin :
> org.apache.hadoop.util.LinuxResourceCalculatorPlugin@ab444
> 12/04/10 19:12:23 INFO mapred.MapTask: numReduceTasks: 1
> 12/04/10 19:12:23 INFO mapred.MapTask: io.sort.mb = 100
> 12/04/10 19:12:23 WARN mapred.LocalJobRunner: job_local_0001
> java.lang.OutOfMemoryError: Java heap space
> at
> org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:949)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:428)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
> at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:212)
> 12/04/10 19:12:24 INFO mapred.JobClient:  map 0% reduce 0%
> 12/04/10 19:12:24 INFO mapred.JobClient: Job complete: job_local_0001
> 12/04/10 19:12:24 INFO mapred.JobClient: Counters: 0
> 12/04/10 19:12:24 INFO mapred.JobClient: Job Failed: NA
> java.io.IOException: Job failed!
> at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1265)
> at org.apache.hadoop.examples.PiEstimator.estimate(PiEstimator.java:297)
> at org.apache.hadoop.examples.PiEstimator.run(PiEstimator.java:342)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.examples.PiEstimator.main(PiEstimator.java:351)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
>
> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
> at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
> at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
>
> --
> Srikanth Kommineni,
> Graduate Assistant,
> Dept of Computer Science,
> Rochester Institute of Technology.
>

--
https://github.com/zinnia-phatak-dev/Nectar