[MAPREDUCE-2539] NPE when calling JobClient.getMapTaskReports for retired job

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.22.0
• Component/s: client
• Assignee: Robert Joseph Evans
• Reporter: Robert Joseph Evans
• Created: 27/May/11 18:42
• Updated: 28/Jan/12 14:04
• Resolved: 03/Jun/11 11:27

Description

When calling JobClient.getMapTaskReports for a retired job this results in a NPE. In the 0.20.* version an empty TaskReport array was returned instead.

Caused by: java.lang.NullPointerException
at org.apache.hadoop.mapred.JobClient.getMapTaskReports(JobClient.java:588)
at org.apache.pig.tools.pigstats.JobStats.addMapReduceStatistics(JobStats.java:388)
......