[jira] [Created] (FLINK-5361) Flink shouldn't require Kerberos credentials

[Shang Yuanchun (Jira)]

Eron Wright  created FLINK-5361:
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             Summary: Flink shouldn't require Kerberos credentials
                 Key: FLINK-5361
                 URL: https://issues.apache.org/jira/browse/FLINK-5361
             Project: Flink
          Issue Type: Bug
          Components: Client
            Reporter: Eron Wright
            Assignee: Eron Wright


The behavior since FLINK-3929 has been to fail if Hadoop security is enabled but a Kerberos credential (or delegation token) isn't available.    It should proceed with a warning that a credential isn't available.

For example, say your shell has a HADOOP_CONF_DIR variable that points to a secure Hadoop installation.   Say you'd like to use Flink for a completely unrelated reason (not involving Hadoop).   The Flink CLI will fail at startup with a message to the effect that a kerberos ticket is needed.   A ticket should not be needed in this scenario.



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