[jira] [Created] (SPARK-39278) Alternative configs of Hadoop Filesystems to access break backward compatibility

["Manu Zhang (Jira)" <ji...@apache.org>]

Manu Zhang created SPARK-39278:
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             Summary: Alternative configs of Hadoop Filesystems to access break backward compatibility
                 Key: SPARK-39278
                 URL: https://issues.apache.org/jira/browse/SPARK-39278
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 3.3.0
            Reporter: Manu Zhang


Before [https://github.com/apache/spark/pull/23698,]

The precedence of configuring Hadoop Filesystems to access is
{code:java}
spark.yarn.access.hadoopFileSystems -> spark.yarn.access.namenodes{code}
Afterwards, it's
{code:java}
spark.kerberos.access.hadoopFileSystems -> spark.yarn.access.namenodes -> spark.yarn.access.hadoopFileSystems{code}
When both spark.yarn.access.hadoopFileSystems and spark.yarn.access.namenodes are configured with different values, the PR breaks backward compatibility and cause application failure.



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