Rohith created MAPREDUCE-5807:
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Summary: Print usage for TeraSort job.
Key: MAPREDUCE-5807
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5807
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: examples
Reporter: Rohith
Assignee: Rohith
Priority: Trivial
For new to hadoop, try for getting help mesage for examples jobs provided in
mapreduce. These Usage helps them in providing arguements.
terasort job execution does not print Usage message instead throw exception.
./yarn jar ../share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar terasort
14/03/24 15:34:55 INFO terasort.TeraSort: starting
java.lang.ArrayIndexOutOfBoundsException: 0
at org.apache.hadoop.examples.terasort.TeraSort.run(TeraSort.java:283)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.examples.terasort.TeraSort.main(TeraSort.java:325)
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:72)
at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:74)
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:212)
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