Bartosz Krasiński created FLINK-18045:
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Summary: Newest version reintroduced a bug causing not working on
secured MapR
Key: FLINK-18045
URL: https://issues.apache.org/jira/browse/FLINK-18045
Project: Flink
Issue Type: Bug
Components: Deployment / YARN
Affects Versions: 1.10.1
Reporter: Bartosz Krasiński
I was not able to run Flink 1.10.1 on YARN on a a secured MapR cluster, but the
previous version (1.10.0) works fine.
After some investigation it looks like during some refactoring, checking if the
enabled security method is kerberos was removed, effectively reintroducing
https://issues.apache.org/jira/browse/FLINK-5949
Refactoring commit:
[https://github.com/apache/flink/commit/8751e69037d8a9b1756b75eed62a368c3ef29137]
My proposal would be to bring back the kerberos check:
{code:java}
loginUser.getAuthenticationMethod() ==
UserGroupInformation.AuthenticationMethod.KERBEROS
{code}
and add an unit test for that case to prevent it from happening again
I'm happy to prepare a PR after reaching consensus
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