Upgrade to Spring Boot 2.1.0

build.gradle.kts

@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     val kotlinVersion = "1.2.30"
-    id("org.springframework.boot") version "2.0.6.RELEASE"
+    id("org.springframework.boot") version "2.1.0.RELEASE"
     id("org.jetbrains.kotlin.jvm") version kotlinVersion
     id("org.jetbrains.kotlin.plugin.spring") version kotlinVersion
     id("io.spring.dependency-management") version "1.0.6.RELEASE"

readme.md

@@ -5,7 +5,7 @@ This is a [Kotlin](https://kotlinlang.org/) version of the [spring-petclinic][]
 ## Technologies used
 
 * Language: Kotlin
-* Core framework: Spring Boot 2.0 with Spring Framework 5 Kotlin support
+* Core framework: Spring Boot 2.1 with Spring Framework 5 Kotlin support
 * Server: Netty
 * Web framework: Spring MVC
 * Templates: Thymeleaf and Bootstrap

src/main/kotlin/org/springframework/samples/petclinic/owner/PetValidator.kt

@@ -32,11 +32,7 @@ import org.springframework.validation.Validator
  * @author Antoine Rey
  */
 class PetValidator : Validator {
-
-    override fun validate(obj: Any?, errors: Errors) {
-        if (obj == null) {
-            return
-        }
+    override fun validate(obj: Any, errors: Errors) {
         val pet = obj as Pet
         val name = pet.name
         // name validation

src/main/resources/application.properties

@@ -10,13 +10,15 @@ spring.thymeleaf.mode=HTML
 spring.jpa.hibernate.ddl-auto=none
 spring.jpa.open-in-view=true
 
+# Hibernate will bootstrap in a separate thread while the rest of your application’s startup processing proceeds in parallel
+spring.data.jpa.repositories.bootstrap-mode=deferred
+
 # Internationalization
 spring.messages.basename=messages/messages
 
 # Actuator / Management
 management.endpoints.web.base-path=/manage
-# Spring Boot 1.5 makes actuator secure by default
-management.endpoints.web.enabled=true
+management.endpoints.web.exposure.include=*
 
 # Logging
 logging.level.org.springframework=INFO