Dmitry Sivachenko created MAPREDUCE-5959:
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Summary: java.lang.ClassCastException during terasort
Key: MAPREDUCE-5959
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5959
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 2.4.1
Environment: FreeBSD (seems irrelevant), OpenJDK-7
Reporter: Dmitry Sivachenko
Hello!
I am running bundled TeraSort program (from hadoop-examples.jar).
Sometimes I get the following exception:
2014-07-06 19:40:59,344 INFO [main] mapreduce.Job
(Job.java:printTaskEvents(1441)) - Task Id :
attempt_1404654366281_0001_m_031223_0, Status : FAILED
Error: java.lang.ClassCastException:
org.apache.hadoop.mapreduce.lib.input.FileSplit cannot be cast to
org.apache.hadoop.mapred.InputSplit
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:403)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1556)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
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