Steve Loughran created YARN-4593:
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Summary: Deadlock in AbstractService.getConfig()
Key: YARN-4593
URL: https://issues.apache.org/jira/browse/YARN-4593
Project: Hadoop YARN
Issue Type: Bug
Components: yarn
Affects Versions: 2.7.2
Environment: AM restarting on kerberized cluster
Reporter: Steve Loughran
Assignee: Steve Loughran
SLIDER-1052 has found a deadlock which can arise in it during AM restart.
Looking at the thread trace, one of the blockages is actually
{{AbstractService.getConfig()}} —this is synchronized and so blocked.
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