elek opened a new pull request #1584: HDDS-2237. KeyDeletingService throws NPE if it's started too early URL: https://github.com/apache/hadoop/pull/1584 1. OzoneManager starts KeyManager 2. KeyManager starts KeyDeletingService 3. KeyDeletingService uses OzoneManager.isLeader() 4. OzoneManager.isLeader() uses omRatisServer 5. omRatisServer can be null (bumm) Now the initialization order in OzoneManager: new KeymanagerServer() *Includes start()!!!!* omRatisServer initialization start() (includes KeyManager.start()) The solution seems to be easy: start the key manager only from the OzoneManager.start() and not from the OzoneManager.instantiateServices() See: https://issues.apache.org/jira/browse/HDDS-2237
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