[HDFS-1118] DFSOutputStream socket leak when cannot connect to DataNode

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.20.1, 0.20.2, 0.20-append, 0.21.0
• Fix Version/s: 0.20-append, 0.20.205.0, 0.22.0
• Hadoop Flags: Reviewed
• Assignee: Zheng Shao
• Reporter: Zheng Shao
• Created: 29/Apr/10 00:18
• Updated: 19/Oct/11 00:26
• Resolved: 20/Jun/10 08:32

Description

The offending code is in DFSOutputStream.nextBlockOutputStream

This function retries several times to call createBlockOutputStream. Each time when it fails, it leaves a Socket object in DFSOutputStream.s.
That object is never closed, but overwritten the next time createBlockOutputStream is called.