[HDFS-14645] ViewFileSystem should close the child FileSystems in close()

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 2.7.8, 3.3.0
• Component/s: hdfs
• Assignee: Jihyun
• Reporter: Jihyun
• Created: 14/Jul/19 12:57
• Updated: 02/Oct/19 17:14
• Resolved: 01/Aug/19 12:48

Description

ViewFileSystem uses superclass's close in current implementation.
It removes from FileSystem.CACHE without closing the child FileSystems.
To close properly, when FileSystem is closing, its child FileSystems also should be closed.

Issue Links

• is duplicated by: HADOOP-15565 ViewFileSystem.close doesn't close child filesystems and causes FileSystem objects leak.