Tzu-Li (Gordon) Tai created FLINK-8270:
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Summary: TaskManagers do not use correct local path for shipped
Keytab files in Yarn deployment modes
Key: FLINK-8270
URL: https://issues.apache.org/jira/browse/FLINK-8270
Project: Flink
Issue Type: Bug
Components: Security
Affects Versions: 1.4.0
Reporter: Tzu-Li (Gordon) Tai
Priority: Blocker
Fix For: 1.5.0, 1.4.1
Reported on ML:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-1-4-0-keytab-is-unreadable-td17292.html
This is a "recurrence" of FLINK-5580. The TMs in Yarn deployment modes are
again not using the correct local paths for shipped Keytab files.
The cause was accidental due to this change:
https://github.com/apache/flink/commit/7f1c23317453859ce3b136b6e13f698d3fee34a1#diff-a81afdf5ce0872836ac6fadb603d483e.
Things to consider:
1) The above accidental breaking change was actually targeting a minor refactor
on the "integration test scenario" code block in {{YarnTaskManagerRunner}}. It
would be best if we can remove that test case code block from the main code.
2) Unit test coverage is apparently not enough. As this incidence shows, any
slight changes can cause this issue to easily resurface again.
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