Deprecate for removal Jackson 2 support

This commit deprecate for removal (likely in a future 7.x release) the
Jackson 2 support in favor of the Jackson 3 one.

Closes gh-33798

Author: sdeleuze

framework-docs/src/main/java/org/springframework/docs/testing/mockmvc/assertj/mockmvctestersetup/converter/AccountControllerIntegrationTests.java

@@ -25,6 +25,7 @@
 import org.springframework.test.web.servlet.assertj.MockMvcTester;
 import org.springframework.web.context.WebApplicationContext;
 
+@SuppressWarnings("removal")
 // tag::snippet[]
 @SpringJUnitWebConfig(ApplicationWebConfiguration.class)
 class AccountControllerIntegrationTests {

framework-docs/src/main/java/org/springframework/docs/web/webmvc/mvcconfig/mvcconfigmessageconverters/WebConfiguration.java

@@ -28,6 +28,7 @@
 import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
+@SuppressWarnings("removal")
 // tag::snippet[]
 @Configuration
 public class WebConfiguration implements WebMvcConfigurer {

framework-docs/src/main/java/org/springframework/docs/web/webmvc/mvcconfig/mvcconfigviewresolvers/FreeMarkerConfiguration.java

@@ -23,6 +23,7 @@
 import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
 import org.springframework.web.servlet.view.json.MappingJackson2JsonView;
 
+@SuppressWarnings("removal")
 // tag::snippet[]
 @Configuration
 public class FreeMarkerConfiguration implements WebMvcConfigurer {

framework-docs/src/main/java/org/springframework/docs/web/webmvc/mvcconfig/mvcconfigviewresolvers/WebConfiguration.java

@@ -21,6 +21,7 @@
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import org.springframework.web.servlet.view.json.MappingJackson2JsonView;
 
+@SuppressWarnings("removal")
 // tag::snippet[]
 @Configuration
 public class WebConfiguration implements WebMvcConfigurer {

framework-docs/src/main/kotlin/org/springframework/docs/testing/mockmvc/assertj/mockmvctestersetup/converter/AccountControllerIntegrationTests.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:Suppress("DEPRECATION")
+
 package org.springframework.docs.testing.mockmvc.assertj.mockmvctestersetup.converter
 
 import org.springframework.beans.factory.annotation.Autowired

framework-docs/src/main/kotlin/org/springframework/docs/web/webmvc/mvcconfig/mvcconfigmessageconverters/WebConfiguration.kt

@@ -1,3 +1,5 @@
+@file:Suppress("DEPRECATION")
+
 package org.springframework.docs.web.webmvc.mvcconfig.mvcconfigmessageconverters
 
 import com.fasterxml.jackson.module.paramnames.ParameterNamesModule

framework-docs/src/main/kotlin/org/springframework/docs/web/webmvc/mvcconfig/mvcconfigviewresolvers/FreeMarkerConfiguration.kt

@@ -1,3 +1,5 @@
+@file:Suppress("DEPRECATION")
+
 package org.springframework.docs.web.webmvc.mvcconfig.mvcconfigviewresolvers
 
 import org.springframework.context.annotation.Bean

framework-docs/src/main/kotlin/org/springframework/docs/web/webmvc/mvcconfig/mvcconfigviewresolvers/WebConfiguration.kt

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:Suppress("DEPRECATION")
+
 package org.springframework.docs.web.webmvc.mvcconfig.mvcconfigviewresolvers
 
 import org.springframework.context.annotation.Configuration

spring-jms/src/main/java/org/springframework/jms/support/converter/MappingJackson2MessageConverter.java

@@ -60,7 +60,9 @@
  * @author Juergen Hoeller
  * @author Stephane Nicoll
  * @since 3.1.4
+ * @deprecated since 7.0 in favor of {@link JacksonJsonMessageConverter}
  */
+@Deprecated(since = "7.0", forRemoval = true)
 public class MappingJackson2MessageConverter implements SmartMessageConverter, BeanClassLoaderAware {
 
 	/**

spring-messaging/src/main/java/org/springframework/messaging/converter/MappingJackson2MessageConverter.java

@@ -56,7 +56,9 @@
  * @author Juergen Hoeller
  * @author Sebastien Deleuze
  * @since 4.0
+ * @deprecated since 7.0 in favor of {@link JacksonJsonMessageConverter}
  */
+@Deprecated(since = "7.0", forRemoval = true)
 public class MappingJackson2MessageConverter extends AbstractMessageConverter {
 
 	private static final MimeType[] DEFAULT_MIME_TYPES = new MimeType[] {