241600489 opened a new issue, #6725:
URL: https://github.com/apache/gravitino/issues/6725
In the **createGravitinoClient** method within the
**GravitinoDriverPlugin.java** class
**(gravitino/spark-connector/spark-common/src/main/java/org/apache/gravitino/spark/connector/plugin/GravitinoDriverPlugin.java**),
there is a check for Kerberos configuration when the **authType** is set to
**simple**. Specifically, the code includes the following logic:
`if (AuthProperties.isSimple(authType)) {
Preconditions.checkArgument(
!UserGroupInformation.isSecurityEnabled(),
"Spark simple auth mode doesn't support setting kerberos
configurations");
builder.withSimpleAuth(sparkUser);
}`
My question is: Why is there a need to check for Kerberos configuration in
the environment when the authType is simple?
It seems that the presence of Kerberos configuration might be related to
connecting to Hadoop (e.g., for HDFS or other Hadoop services) rather than
connecting to Gravitino itself. If the authType is simple, shouldn't the
Kerberos configuration be irrelevant to the Gravitino client initialization?
Could you clarify the reasoning behind this check? Is it to ensure
compatibility with Spark's authentication model, or is there another specific
requirement that necessitates this validation?
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