Merge branch '6.1.x'

spring-core/src/main/java/org/springframework/aot/hint/BindingReflectionHintsRegistrar.java

@@ -63,7 +63,7 @@ public class BindingReflectionHintsRegistrar {
 	 * @param hints the hints instance to use
 	 * @param types the types to register
 	 */
-	public void registerReflectionHints(ReflectionHints hints, Type... types) {
+	public void registerReflectionHints(ReflectionHints hints, @Nullable Type... types) {
 		Set<Type> seen = new HashSet<>();
 		for (Type type : types) {
 			registerReflectionHints(hints, seen, type);

spring-core/src/main/java/org/springframework/core/CoroutinesUtils.java

@@ -92,7 +92,7 @@ public abstract class CoroutinesUtils {
 	 * @return the method invocation result as reactive stream
 	 * @throws IllegalArgumentException if {@code method} is not a suspending function
 	 */
-	public static Publisher<?> invokeSuspendingFunction(Method method, Object target, Object... args) {
+	public static Publisher<?> invokeSuspendingFunction(Method method, Object target, @Nullable Object... args) {
 		return invokeSuspendingFunction(Dispatchers.getUnconfined(), method, target, args);
 	}
 
@@ -110,7 +110,7 @@ public abstract class CoroutinesUtils {
 	 */
 	@SuppressWarnings({"deprecation", "DataFlowIssue"})
 	public static Publisher<?> invokeSuspendingFunction(
-			CoroutineContext context, Method method, @Nullable Object target, Object... args) {
+			CoroutineContext context, Method method, @Nullable Object target, @Nullable Object... args) {
 
 		Assert.isTrue(KotlinDetector.isSuspendingFunction(method), "Method must be a suspending function");
 		KFunction<?> function = ReflectJvmMapping.getKotlinFunction(method);

spring-core/src/main/java/org/springframework/core/NestedRuntimeException.java

@@ -41,7 +41,7 @@ public abstract class NestedRuntimeException extends RuntimeException {
 	 * Construct a {@code NestedRuntimeException} with the specified detail message.
 	 * @param msg the detail message
 	 */
-	public NestedRuntimeException(String msg) {
+	public NestedRuntimeException(@Nullable String msg) {
 		super(msg);
 	}
 

spring-core/src/main/java/org/springframework/core/codec/CodecException.java

@@ -34,7 +34,7 @@ public class CodecException extends NestedRuntimeException {
 	 * Create a new CodecException.
 	 * @param msg the detail message
 	 */
-	public CodecException(String msg) {
+	public CodecException(@Nullable String msg) {
 		super(msg);
 	}
 
@@ -43,7 +43,7 @@ public class CodecException extends NestedRuntimeException {
 	 * @param msg the detail message
 	 * @param cause root cause for the exception, if any
 	 */
-	public CodecException(String msg, @Nullable Throwable cause) {
+	public CodecException(@Nullable String msg, @Nullable Throwable cause) {
 		super(msg, cause);
 	}
 

spring-core/src/main/java/org/springframework/core/codec/DecodingException.java

@@ -39,7 +39,7 @@ public class DecodingException extends CodecException {
 	 * Create a new DecodingException.
 	 * @param msg the detail message
 	 */
-	public DecodingException(String msg) {
+	public DecodingException(@Nullable String msg) {
 		super(msg);
 	}
 
@@ -48,7 +48,7 @@ public class DecodingException extends CodecException {
 	 * @param msg the detail message
 	 * @param cause root cause for the exception, if any
 	 */
-	public DecodingException(String msg, @Nullable Throwable cause) {
+	public DecodingException(@Nullable String msg, @Nullable Throwable cause) {
 		super(msg, cause);
 	}
 

spring-core/src/main/java/org/springframework/util/StreamUtils.java

@@ -201,7 +201,7 @@ public abstract class StreamUtils {
 	 * @throws IOException in case of I/O errors
 	 * @since 4.3
 	 */
-	public static int drain(InputStream in) throws IOException {
+	public static int drain(@Nullable InputStream in) throws IOException {
 		Assert.notNull(in, "No InputStream specified");
 		return (int) in.transferTo(OutputStream.nullOutputStream());
 	}