Updated to Spring Boot 2.0.0.RELEASE and fixed JPA breaks.

Author: springframeworkguru

pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>1.5.3.RELEASE</version>
+		<version>2.0.0.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 

src/main/java/guru/springframework/bootstrap/ProductLoader.java

@@ -2,7 +2,9 @@
 
 import guru.springframework.domain.Product;
 import guru.springframework.repositories.ProductRepository;
-import org.apache.log4j.Logger;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationListener;
 import org.springframework.context.event.ContextRefreshedEvent;
@@ -15,7 +17,7 @@ public class ProductLoader implements ApplicationListener<ContextRefreshedEvent>
 
     private ProductRepository productRepository;
 
-    private Logger log = Logger.getLogger(ProductLoader.class);
+    private Logger log = LogManager.getLogger(ProductLoader.class);
 
     @Autowired
     public void setProductRepository(ProductRepository productRepository) {

src/main/java/guru/springframework/services/ProductServiceImpl.java

@@ -21,7 +21,7 @@ public Iterable<Product> listAllProducts() {
 
     @Override
     public Product getProductById(Integer id) {
-        return productRepository.findOne(id);
+        return productRepository.findById(id).orElse(null);
     }
 
     @Override

src/test/java/guru/springframework/repositories/ProductRepositoryTest.java

@@ -36,7 +36,7 @@ public void testSaveProduct(){
         productRepository.save(product);
         assertNotNull(product.getId()); //not null after save
         //fetch from DB
-        Product fetchedProduct = productRepository.findOne(product.getId());
+        Product fetchedProduct = productRepository.findById(product.getId()).orElse(null);
 
         //should not be null
         assertNotNull(fetchedProduct);
@@ -50,7 +50,7 @@ public void testSaveProduct(){
         productRepository.save(fetchedProduct);
 
         //get from DB, should be updated
-        Product fetchedUpdatedProduct = productRepository.findOne(fetchedProduct.getId());
+        Product fetchedUpdatedProduct = productRepository.findById(fetchedProduct.getId()).orElse(null);
         assertEquals(fetchedProduct.getDescription(), fetchedUpdatedProduct.getDescription());
 
         //verify count of products in DB