[HDFS-10496] DiskBalancer: ExecuteCommand checks planFile in a wrong way

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: HDFS-1312
• Fix Version/s: HDFS-1312
• Component/s: balancer & mover, datanode
• Hadoop Flags: Reviewed
• Assignee: Lei (Eddy) Xu
• Reporter: Lei (Eddy) Xu
• Created: 07/Jun/16 19:26
• Updated: 24/Jun/16 06:19
• Resolved: 07/Jun/16 22:11

Description

In ExecuteCommand#execute, it checks the plan file as

 Preconditions.checkArgument(planFile == null || planFile.isEmpty(),
        "Invalid plan file specified.");

Which stops the execution with a correct planFile argument.