[HDFS-6198] DataNode rolling upgrade does not correctly identify current block pool directory and replace with trash on Windows.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0, 3.0.0-alpha1
• Fix Version/s: 2.4.1
• Component/s: datanode
• Target Version/s: 2.4.0
• Hadoop Flags: Reviewed
• Assignee: Chris Nauroth
• Reporter: Chris Nauroth
• Created: 07/Apr/14 20:30
• Updated: 12/May/16 18:15
• Resolved: 08/Apr/14 00:16

Description

For rolling upgrade, the DataNode uses a regex to identify the current block pool directory and replace it with the equivalent trash directory. This regex hard-codes '/' as the file path separator, which doesn't work on Windows.