[MAPREDUCE-1621] Streaming's TextOutputReader.getLastOutput throws NPE if it has never read any output

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.21.0
• Fix Version/s: 0.22.0
• Component/s: contrib/streaming
• Hadoop Flags: Reviewed
• Assignee: Amareshwari Sriramadasu
• Reporter: Todd Lipcon
• Created: 23/Mar/10 19:25
• Updated: 12/Dec/11 06:19
• Resolved: 16/Jul/10 11:00

Description

If TextOutputReader.readKeyValue() has never successfully read a line, then its bytes member will be left null. Thus when logging a task failure, PipeMapRed.getContext() can trigger an NPE when it calls outReader_.getLastOutput().