[HADOOP-13066] UserGroupInformation.loginWithKerberos/getLoginUser is not thread-safe

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: security
• Assignee: Unassigned
• Reporter: Sergey Shelukhin
• Created: 27/Apr/16 22:48
• Updated: 21/May/18 23:52

Description

When calling loginFromKerberos, a static variable is set up with the result. If someone logs in as a different user from a different thread, the call to getLoginUser will not return the correct UGI.