[HBASE-25016] Should close ResultScanner in MetaTableAccessor.scanByRegionEncodedName

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.4.0, 2.3.2
• Component/s: master, meta
• Hadoop Flags: Reviewed
• Assignee: Yulin Niu
• Reporter: Duo Zhang
• Created: 12/Sep/20 09:50
• Updated: 15/Sep/20 15:42
• Resolved: 14/Sep/20 07:20

Description

It will cause resource leak.

Th good news is that this method is only used for cluster maintainance, such as assign or unassign region manually, so it is less hurt. Anyway, we should fix it ASAP.

Issue Links

• links to: GitHub Pull Request #2390
• links to: GitHub Pull Request #2393