[HDFS-6948] DN rejects blocks if it has older UC block

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha, 3.0.0-alpha1
• Fix Version/s: 2.6.0
• Target Version/s: 2.6.0
• Hadoop Flags: Reviewed
• Assignee: Eric Payne
• Reporter: Daryn Sharp
• Created: 26/Aug/14 19:26
• Updated: 12/May/16 18:12
• Resolved: 19/Sep/14 13:53

Description

DNs appear to always reject blocks, even with newer genstamps, if it already has a UC copy in its tmp dir.

ReplicaAlreadyExistsException: Block
XXX already
exists in state TEMPORARY and thus cannot be created