[HADOOP-9805] Refactor RawLocalFileSystem#rename for improved testability.

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1-win, 1.3.0, 2.1.1-beta, 3.0.0-alpha1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: fs, test
• Labels: newbie
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Jean-Pierre Matsumoto
• Reporter: Chris Nauroth
• Created: 31/Jul/13 17:25
• Updated: 30/Aug/16 01:33
• Resolved: 02/Apr/15 23:17

Description

RawLocalFileSystem#rename contains fallback logic to provide POSIX rename behavior on platforms where java.io.File#renameTo fails. The method returns early if java.io.File#renameTo succeeds, so test runs may not cover the fallback logic depending on the platform.

Issue Links

• breaks: HADOOP-13082 RawLocalFileSystem does not fail when moving file to a non-existing directory
• relates to: HADOOP-9507 LocalFileSystem rename() is broken in some cases when destination exists