[HDFS-12013] libhdfs++: read with offset at EOF should return 0 bytes instead of error

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Component/s: hdfs-client
• Assignee: Xiaowei Zhu
• Reporter: Xiaowei Zhu
• Created: 22/Jun/17 20:20
• Updated: 22/Mar/18 21:58
• Resolved: 07/Jul/17 18:10

Description

The current behavior is when you read from offset == file_length, it will throw error:

"AsyncPreadSome: trying to begin a read past the EOF"

But read with offset at EOF should just return 0 bytes. The above error should only be thrown when offset > file_length.