You are viewing a plain text version of this content. The canonical link for it is here.
Posted to common-issues@hadoop.apache.org by "Victor Pakhomov (JIRA)" <ji...@apache.org> on 2010/06/19 22:04:23 UTC

[jira] Created: (HADOOP-6831) "java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result." while running "hadoop jar hadoop-0.20.1+169.89-examples.jar pi 4 30"

"java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result." while running "hadoop jar hadoop-0.20.1+169.89-examples.jar pi 4 30"
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

                 Key: HADOOP-6831
                 URL: https://issues.apache.org/jira/browse/HADOOP-6831
             Project: Hadoop Common
          Issue Type: Bug
          Components: util
    Affects Versions: 0.20.1
         Environment: ubuntu 10.04 lucid
sun jdk 6
hadoop packaged by cloudera
            Reporter: Victor Pakhomov
             Fix For: 0.20.1


If I run "hadoop jar hadoop-0.20.1+169.89-examples.jar pi 4 30", I get the following output:

Number of Maps  = 4
Samples per Map = 30
Wrote input for Map #0
Wrote input for Map #1
Wrote input for Map #2
Wrote input for Map #3
Starting Job
10/06/19 21:50:34 INFO mapred.FileInputFormat: Total input paths to process : 4
10/06/19 21:50:34 INFO mapred.JobClient: Running job: job_201006192101_0003
10/06/19 21:50:35 INFO mapred.JobClient:  map 0% reduce 0%
10/06/19 21:50:45 INFO mapred.JobClient:  map 50% reduce 0%
10/06/19 21:50:51 INFO mapred.JobClient:  map 100% reduce 0%
10/06/19 21:51:00 INFO mapred.JobClient:  map 100% reduce 100%
10/06/19 21:51:02 INFO mapred.JobClient: Job complete: job_201006192101_0003
10/06/19 21:51:02 INFO mapred.JobClient: Counters: 18
10/06/19 21:51:02 INFO mapred.JobClient:   Job Counters 
10/06/19 21:51:02 INFO mapred.JobClient:     Launched reduce tasks=1
10/06/19 21:51:02 INFO mapred.JobClient:     Launched map tasks=4
10/06/19 21:51:02 INFO mapred.JobClient:     Data-local map tasks=4
10/06/19 21:51:02 INFO mapred.JobClient:   FileSystemCounters
10/06/19 21:51:02 INFO mapred.JobClient:     FILE_BYTES_READ=94
10/06/19 21:51:02 INFO mapred.JobClient:     HDFS_BYTES_READ=472
10/06/19 21:51:02 INFO mapred.JobClient:     FILE_BYTES_WRITTEN=334
10/06/19 21:51:02 INFO mapred.JobClient:     HDFS_BYTES_WRITTEN=215
10/06/19 21:51:02 INFO mapred.JobClient:   Map-Reduce Framework
10/06/19 21:51:02 INFO mapred.JobClient:     Reduce input groups=8
10/06/19 21:51:02 INFO mapred.JobClient:     Combine output records=0
10/06/19 21:51:02 INFO mapred.JobClient:     Map input records=4
10/06/19 21:51:02 INFO mapred.JobClient:     Reduce shuffle bytes=112
10/06/19 21:51:02 INFO mapred.JobClient:     Reduce output records=0
10/06/19 21:51:02 INFO mapred.JobClient:     Spilled Records=16
10/06/19 21:51:02 INFO mapred.JobClient:     Map output bytes=72
10/06/19 21:51:02 INFO mapred.JobClient:     Map input bytes=96
10/06/19 21:51:02 INFO mapred.JobClient:     Combine input records=0
10/06/19 21:51:02 INFO mapred.JobClient:     Map output records=8
10/06/19 21:51:02 INFO mapred.JobClient:     Reduce input records=8
Job Finished in 28.593 seconds
java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.
	at java.math.BigDecimal.divide(BigDecimal.java:1603)
	at org.apache.hadoop.examples.PiEstimator.estimate(PiEstimator.java:313)
	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)


"hadoop jar hadoop-0.20.1+169.89-examples.jar pi 2 10" finishes fine

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.