Job doesn't fail graciously when an invalid mapred.child.env value is specified
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Key: MAPREDUCE-1828
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1828
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: tasktracker
Reporter: Ravi Gummadi
Assignee: Ravi Gummadi
When invalid input is given to -Dmapred.child.env=,
ArrayIndexOutOfBoundsException is seen instead of giving a useful error message.
bin/hadoop jar hadoop-streaming.jar -Dmapred.child.env="X:Y" -input inp_empty
-output out -mapper /bin/cat
-reducer /bin/cat
java.lang.Throwable: Child Error at
org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:242) Caused by:
java.lang.ArrayIndexOutOfBoundsException: 1 at
org.apache.hadoop.mapred.TaskRunner.getVMEnvironment(TaskRunner.java:571) at
org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:212)
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