[HADOOP-12856] FileUtil.checkDest() and RawLocalFileSystem.mkdirs() to throw stricter IOEs; RawLocalFS contract tests to verify

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: fs
• Target Version/s: 2.9.0, 3.0.0-alpha4
• Hadoop Flags: Reviewed
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 29/Feb/16 15:49
• Updated: 26/Apr/17 03:22
• Resolved: 26/Apr/17 01:37

Description

FileUtil.checkDest() throws IOEs when its conditions are not met, with meaningful text.

The code could be improved if it were to throw PathExistsException and PathIsDirectoryException when appropriate