rondagostino commented on a change in pull request #9645:
URL: https://github.com/apache/kafka/pull/9645#discussion_r528986190



##########
File path: 
clients/src/main/java/org/apache/kafka/clients/admin/ScramMechanism.java
##########
@@ -49,8 +53,11 @@ public static ScramMechanism fromType(byte type) {
      *     Salted Challenge Response Authentication Mechanism (SCRAM) SASL and 
GSS-API Mechanisms, Section 4</a>
      */
     public static ScramMechanism fromMechanismName(String mechanismName) {
-        ScramMechanism retvalFoundMechanism = 
ScramMechanism.valueOf(mechanismName.replace('-', '_'));
-        return retvalFoundMechanism != null ? retvalFoundMechanism : UNKNOWN;
+        String normalizedMechanism = mechanismName.replace('-', '_');
+        return Arrays.stream(VALUES)
+            .filter(mechanism -> mechanism.name().equals(normalizedMechanism))
+            .findFirst()
+            .orElse(UNKNOWN);

Review comment:
       Ah, you are right: `valueOf()` `Throws: IllegalArgumentException - if 
the specified enum type has no constant with the specified name, or the 
specified class object does not represent an enum type.`
   
   Thanks for catching/testing for/fixing it.




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