deniskuzZ commented on code in PR #6081:
URL: https://github.com/apache/hive/pull/6081#discussion_r2416170884
##########
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java:
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@@ -314,7 +350,46 @@ private static List<DagCredentialSupplier>
defaultCredentialSuppliers() {
LOG.error("Failed to add credential supplier", e);
}
}
- return dagSuppliers;
+ credentialSuppliers.addAll(dagSuppliers);
+ }
+
+ /**
+ * Returns the security protocol if one is defined in the properties and
null otherwise.
+ * <p>The following properties are examined to determine the protocol:</p>
+ * <ol>
+ * <li>security.protocol</li>
+ * <li>kafka.consumer.security.protocol</li>
+ * <li>kafka.producer.security.protocol</li>
+ * </ol>
+ * <p>and the first non null/not empty is returned.</p>
+ * <p>Defining multiple security protocols at the same time is invalid but
this method is lenient and tries to pick
+ * the most reasonable option.</p>
+ * @param props the properties from which to obtain the protocol.
+ * @return the security protocol if one is defined in the properties and
null otherwise.
+ */
+ static SecurityProtocol getSecurityProtocol(Properties props) {
Review Comment:
i think this functionality should be extracted to util class like
`KafkaUtils`
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