[YARN-3088] LinuxContainerExecutor.deleteAsUser can throw NPE if native executor returns an error

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.1-beta
• Fix Version/s: 2.7.0
• Component/s: nodemanager
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Eric Payne
• Reporter: Jason Darrell Lowe
• Created: 22/Jan/15 20:40
• Updated: 10/Apr/15 20:10
• Resolved: 26/Jan/15 15:42

Description

If the native executor returns an error trying to delete a path as a particular user when dir==null then the code can NPE trying to build a log message for the error. It blindly deferences dir in the log message despite the code just above explicitly handling the cases when dir could be null.

Issue Links

• relates to: YARN-3090 DeletionService can silently ignore deletion task failures