MINOR: Update build and test dependencies

clients/src/main/java/org/apache/kafka/clients/admin/ScramMechanism.java

@@ -17,6 +17,8 @@
 
 package org.apache.kafka.clients.admin;
 
+import java.util.Arrays;
+
 /**
  * Representation of a SASL/SCRAM Mechanism.
  *
@@ -27,13 +29,15 @@ public enum ScramMechanism {
     SCRAM_SHA_256((byte) 1),
     SCRAM_SHA_512((byte) 2);
 
+    private static final ScramMechanism[] VALUES = values();
+
     /**
      *
      * @param type the type indicator
      * @return the instance corresponding to the given type indicator, otherwise {@link #UNKNOWN}
      */
     public static ScramMechanism fromType(byte type) {
-        for (ScramMechanism scramMechanism : ScramMechanism.values()) {
+        for (ScramMechanism scramMechanism : VALUES) {
             if (scramMechanism.type == type) {
                 return scramMechanism;
             }
@@ -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);
     }
 
     /**

clients/src/main/java/org/apache/kafka/common/header/internals/RecordHeader.java

@@ -70,7 +70,7 @@ public boolean equals(Object o) {
 
     @Override
     public int hashCode() {
-        int result = key() != null ? key().hashCode() : 0;
+        int result = key().hashCode();
         result = 31 * result + Arrays.hashCode(value());
         return result;
     }

clients/src/test/java/org/apache/kafka/clients/admin/ScramMechanismTest.java

@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.kafka.clients.admin;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+class ScramMechanismTest {
+
+  @Test
+  public void testFromMechanismName() {
+    assertEquals(ScramMechanism.UNKNOWN, ScramMechanism.fromMechanismName("UNKNOWN"));
+    assertEquals(ScramMechanism.SCRAM_SHA_256, ScramMechanism.fromMechanismName("SCRAM-SHA-256"));
+    assertEquals(ScramMechanism.SCRAM_SHA_512, ScramMechanism.fromMechanismName("SCRAM-SHA-512"));
+    assertEquals(ScramMechanism.UNKNOWN, ScramMechanism.fromMechanismName("some string"));
+    assertEquals(ScramMechanism.UNKNOWN, ScramMechanism.fromMechanismName("scram-sha-256"));
+  }
+
+}

gradle/dependencies.gradle

@@ -61,9 +61,9 @@ versions += [
   bcpkix: "1.66",
   checkstyle: "8.20",
   commonsCli: "1.4",
-  gradle: "6.7",
-  gradleVersionsPlugin: "0.29.0",
-  grgit: "4.0.2",
+  gradle: "6.7.1",
+  gradleVersionsPlugin: "0.36.0",
+  grgit: "4.1.0",
   httpclient: "4.5.12",
   easymock: "4.2",
   jackson: "2.10.5",
@@ -95,25 +95,25 @@ versions += [
   lz4: "1.7.1",
   mavenArtifact: "3.6.3",
   metrics: "2.2.0",
-  mockito: "3.5.7",
+  mockito: "3.6.0",
   netty: "4.1.51.Final",
-  owaspDepCheckPlugin: "5.3.2.1",
-  powermock: "2.0.7",
+  owaspDepCheckPlugin: "6.0.3",
+  powermock: "2.0.9",
   reflections: "0.9.12",
   rocksDB: "5.18.4",
   scalaCollectionCompat: "2.2.0",
   scalafmt: "1.5.1",
   scalaJava8Compat : "0.9.1",
   scalatest: "3.0.8",
   scoverage: "1.4.1",
-  scoveragePlugin: "4.0.2",
-  shadowPlugin: "6.0.0",
+  scoveragePlugin: "5.0.0",
+  shadowPlugin: "6.1.0",
   slf4j: "1.7.30",
   snappy: "1.1.7.7",
-  spotbugs: "4.0.6",
-  spotbugsPlugin: "4.4.4",
-  spotlessPlugin: "5.1.0",
-  testRetryPlugin: "1.1.6",
+  spotbugs: "4.1.4",
+  spotbugsPlugin: "4.6.0",
+  spotlessPlugin: "5.8.2",
+  testRetryPlugin: "1.1.9",
   zinc: "1.3.5",
   zookeeper: "3.5.8",
   zstd: "1.4.5-12"

gradle/spotbugs-exclude.xml

@@ -24,16 +24,6 @@ For a detailed description of spotbugs bug categories, see https://spotbugs.read
 -->
 <FindBugsFilter>
 
-    <!-- false positive in Java 11, see https://github.com/spotbugs/spotbugs/issues/756 -->
-    <Match>
-        <Bug pattern="RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE"/>
-    </Match>
-
-    <!-- false positive in Java 11, see https://github.com/spotbugs/spotbugs/issues/756 -->
-    <Match>
-        <Bug pattern="RCN_REDUNDANT_NULLCHECK_WOULD_HAVE_BEEN_A_NPE"/>
-    </Match>
-
     <Match>
         <!-- Disable warnings about mutable objects and the use of public fields.
             EI_EXPOSE_REP: May expose internal representation by returning reference to mutable object
@@ -103,6 +93,12 @@ For a detailed description of spotbugs bug categories, see https://spotbugs.read
         </Or>
     </Match>
 
+    <!-- false positive in Java 11, related to https://github.com/spotbugs/spotbugs/issues/756 but more complex -->
+    <Match>
+        <Class name="org.apache.kafka.common.record.KafkaLZ4BlockOutputStream"/>
+        <Bug pattern="RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE"/>
+    </Match>
+
     <Match>
         <!-- Suppression for the equals() for extension methods. -->
         <Class name="kafka.api.package$ElectLeadersRequestOps"/>

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists