[HADOOP-15402] Prevent double logout of UGI's LoginContext

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.2.0
• Component/s: security
• Target Version/s: 3.2.0
• Hadoop Flags: Reviewed
• Assignee: Daryn Sharp
• Reporter: Daryn Sharp
• Created: 20/Apr/18 14:30
• Updated: 26/Apr/18 21:58
• Resolved: 25/Apr/18 08:06

Description

HADOOP-15294 worked around a LoginContext NPE resulting from a double logout by peering into the Subject. A cleaner fix is tracking whether the LoginContext is logged in.

Issue Links

• is related to: HADOOP-15294 TestUGILoginFromKeytab fails on Java9