Added note on non-thread-safety of Jackson's DateFormat support

spring-web/src/main/java/org/springframework/http/converter/json/Jackson2ObjectMapperFactoryBean.java

@@ -123,6 +123,8 @@ public class Jackson2ObjectMapperFactoryBean implements FactoryBean<ObjectMapper
 
 	/**
 	 * Define the format for date/time with the given {@link DateFormat}.
+	 * <p>Note: Setting this property makes the exposed {@link ObjectMapper}
+	 * non-thread-safe, according to Jackson's thread safety rules.
 	 * @see #setSimpleDateFormat(String)
 	 */
 	public void setDateFormat(DateFormat dateFormat) {
@@ -131,6 +133,8 @@ public class Jackson2ObjectMapperFactoryBean implements FactoryBean<ObjectMapper
 
 	/**
 	 * Define the date/time format with a {@link SimpleDateFormat}.
+	 * <p>Note: Setting this property makes the exposed {@link ObjectMapper}
+	 * non-thread-safe, according to Jackson's thread safety rules.
 	 * @see #setDateFormat(DateFormat)
 	 */
 	public void setSimpleDateFormat(String format) {
@@ -213,9 +217,11 @@ public class Jackson2ObjectMapperFactoryBean implements FactoryBean<ObjectMapper
 
 	/**
 	 * Specify features to enable.
-	 * @see MapperFeature
-	 * @see SerializationFeature
-	 * @see DeserializationFeature
+	 * @see com.fasterxml.jackson.core.JsonParser.Feature
+	 * @see com.fasterxml.jackson.core.JsonGenerator.Feature
+	 * @see com.fasterxml.jackson.databind.SerializationFeature
+	 * @see com.fasterxml.jackson.databind.DeserializationFeature
+	 * @see com.fasterxml.jackson.databind.MapperFeature
 	 */
 	public void setFeaturesToEnable(Object... featuresToEnable) {
 		if (featuresToEnable != null) {

spring-web/src/main/java/org/springframework/http/converter/json/JacksonObjectMapperFactoryBean.java

@@ -106,6 +106,8 @@ public class JacksonObjectMapperFactoryBean implements FactoryBean<ObjectMapper>
 
 	/**
 	 * Define the format for date/time with the given {@link DateFormat}.
+	 * <p>Note: Setting this property makes the exposed {@link ObjectMapper}
+	 * non-thread-safe, according to Jackson's thread safety rules.
 	 * @see #setSimpleDateFormat(String)
 	 */
 	public void setDateFormat(DateFormat dateFormat) {
@@ -114,6 +116,8 @@ public class JacksonObjectMapperFactoryBean implements FactoryBean<ObjectMapper>
 
 	/**
 	 * Define the date/time format with a {@link SimpleDateFormat}.
+	 * <p>Note: Setting this property makes the exposed {@link ObjectMapper}
+	 * non-thread-safe, according to Jackson's thread safety rules.
 	 * @see #setDateFormat(DateFormat)
 	 */
 	public void setSimpleDateFormat(String format) {
@@ -134,8 +138,8 @@ public class JacksonObjectMapperFactoryBean implements FactoryBean<ObjectMapper>
 	 * {@link org.codehaus.jackson.map.DeserializationConfig.Feature#AUTO_DETECT_FIELDS}.
 	 */
 	public void setAutoDetectFields(boolean autoDetectFields) {
-		this.features.put(DeserializationConfig.Feature.AUTO_DETECT_FIELDS, autoDetectFields);
 		this.features.put(SerializationConfig.Feature.AUTO_DETECT_FIELDS, autoDetectFields);
+		this.features.put(DeserializationConfig.Feature.AUTO_DETECT_FIELDS, autoDetectFields);
 	}
 
 	/**