[SPARK-12316] Stack overflow with endless call of `Delegation token thread` when application end.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.6.0
• Fix Version/s: 1.6.1, 2.0.0
• Component/s: Spark Core, YARN
• Assignee: Zhaowei Huang
• Reporter: Zhaowei Huang
• Created: 14/Dec/15 07:03
• Updated: 17/May/20 18:16
• Resolved: 25/Feb/16 15:15

Description

When application end, AM will clean the staging dir.
But if the driver trigger to update the delegation token, it will can't find the right token file and then it will endless cycle call the method 'updateCredentialsIfRequired'.
Then it lead to StackOverflowError.

Issue Links

• links to: [Github] Pull Request #10475 (SaintBacchus)