diff --git a/build.gradle b/build.gradle
index 2cba31f9..f875d425 100644
--- a/build.gradle
+++ b/build.gradle
@@ -169,6 +169,7 @@ subprojects { subproject ->
 		// suppress all console output during testing unless running `gradle -i`
 		logging.captureStandardOutput(LogLevel.INFO)
 		maxHeapSize = '1536m'
+//		jvmArgs '-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=127.0.0.1:8111'
 		jacoco {
 			destinationFile = file("$buildDir/jacoco.exec")
 		}
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 490fda85..62d4c053 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index a4b44297..622ab64a 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 2fe81a7d..fbd7c515 100755
--- a/gradlew
+++ b/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
diff --git a/gradlew.bat b/gradlew.bat
index 9109989e..a9f778a7 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
 
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java
index e4042366..71476786 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java
@@ -148,11 +148,11 @@ public class DelegatingDeserializer implements Deserializer<Object> {
 			Map<String, Deserializer<?>> delegateMap, String selector, Class<?> clazz) {
 
 		try {
-			Deserializer<?> delegate = (Deserializer<?>) clazz.newInstance();
+			Deserializer<?> delegate = (Deserializer<?>) clazz.getDeclaredConstructor().newInstance();
 			delegate.configure(configs, isKey);
 			delegateMap.put(selector.trim(), delegate);
 		}
-		catch (InstantiationException | IllegalAccessException e) {
+		catch (Exception e) {
 			throw new IllegalArgumentException(e);
 		}
 	}
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java
index fb19d10e..3d93e491 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java
@@ -177,11 +177,11 @@ public class DelegatingSerializer implements Serializer<Object> {
 			Map<String, Serializer<?>> delegateMap, String selector, Class<?> clazz) {
 
 		try {
-			Serializer<?> delegate = (Serializer<?>) clazz.newInstance();
+			Serializer<?> delegate = (Serializer<?>) clazz.getDeclaredConstructor().newInstance();
 			delegate.configure(configs, isKey);
 			delegateMap.put(selector.trim(), delegate);
 		}
-		catch (InstantiationException | IllegalAccessException e) {
+		catch (Exception e) {
 			throw new IllegalArgumentException(e);
 		}
 	}
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer.java b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer.java
index d6a1eea6..bd2b569e 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2019 the original author or authors.
+ * Copyright 2018-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -141,9 +141,9 @@ public class ErrorHandlingDeserializer<T> implements Deserializer<T> {
 			try {
 				Object value = configs.get(configKey);
 				Class<?> clazz = value instanceof Class ? (Class<?>) value : ClassUtils.forName((String) value, null);
-				this.delegate = setupDelegate(clazz.newInstance());
+				this.delegate = setupDelegate(clazz.getDeclaredConstructor().newInstance());
 			}
-			catch (ClassNotFoundException | LinkageError | InstantiationException | IllegalAccessException e) {
+			catch (Exception e) {
 				throw new IllegalStateException(e);
 			}
 		}
@@ -163,9 +163,10 @@ public class ErrorHandlingDeserializer<T> implements Deserializer<T> {
 				Class<?> clazz = value instanceof Class ? (Class<?>) value : ClassUtils.forName((String) value, null);
 				Assert.isTrue(Function.class.isAssignableFrom(clazz), "'function' must be a 'Function ', not a "
 						+ clazz.getName());
-				this.failedDeserializationFunction = (Function<FailedDeserializationInfo, T>) clazz.newInstance();
+				this.failedDeserializationFunction = (Function<FailedDeserializationInfo, T>)
+						clazz.getDeclaredConstructor().newInstance();
 			}
-			catch (ClassNotFoundException | LinkageError | InstantiationException | IllegalAccessException e) {
+			catch (Exception e) {
 				throw new IllegalStateException(e);
 			}
 		}
diff --git a/spring-kafka/src/test/java/org/springframework/kafka/config/RecordMessagingMessageListenerAdapterTests.java b/spring-kafka/src/test/java/org/springframework/kafka/config/RecordMessagingMessageListenerAdapterTests.java
index a2f1508d..5fc5ac39 100644
--- a/spring-kafka/src/test/java/org/springframework/kafka/config/RecordMessagingMessageListenerAdapterTests.java
+++ b/spring-kafka/src/test/java/org/springframework/kafka/config/RecordMessagingMessageListenerAdapterTests.java
@@ -71,8 +71,11 @@ public class RecordMessagingMessageListenerAdapterTests {
 		for (Method method : declaredMethods) {
 			if (method.getName().equals("defListen")) {
 				defMethod = method;
+				methods.add(method);
+			}
+			else if (method.getName().equals("listen")) {
+				methods.add(method);
 			}
-			methods.add(method);
 		}
 		TestMultiClass bean = new TestMultiClass();
 		MultiMethodKafkaListenerEndpoint<Object, Object> endpoint = new MultiMethodKafkaListenerEndpoint<>(methods,