[MAPREDUCE-5911] Terasort TeraOutputFormat does not check for output directory existance

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Component/s: examples
• Hadoop Flags: Reviewed
• Assignee: Bruno P. Kinoshita
• Reporter: Ivan Mitic
• Created: 30/May/14 17:42
• Updated: 19/Nov/14 02:59
• Resolved: 20/Oct/14 04:04

Description

The enforcement that the directory must not yet exist is implemented in FileOutputFormat#checkOutputSpecs by throwing FileAlreadyExistsException. However, terasort uses a specialized output format, TeraOutputFormat, which is a subclass of FileOutputFormat. The subclass overrides checkOutputSpecs, but does not re-implement the existence check and throw FileAlreadyExistsException.

Issue Links

• duplicates: MAPREDUCE-4879 TeraOutputFormat may overwrite an existing output directory