Merge pull request #11587 from kwoyke/JAVA-8794

JAVA-8794: Upgrade to Spring Boot 2.6.1

core-java-modules/core-java-9-jigsaw/src/test/java/com/baeldung/java9/modules/ModuleAPIUnitTest.java

@@ -2,12 +2,21 @@ package com.baeldung.java9.modules;
 
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.CoreMatchers.nullValue;
-import static org.hamcrest.Matchers.*;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hamcrest.Matchers.hasItems;
 import static org.hamcrest.collection.IsEmptyCollection.empty;
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 import java.lang.module.ModuleDescriptor;
-import java.lang.module.ModuleDescriptor.*;
+
+import java.lang.module.ModuleDescriptor.Builder;
+import java.lang.module.ModuleDescriptor.Exports;
+import java.lang.module.ModuleDescriptor.Opens;
+import java.lang.module.ModuleDescriptor.Provides;
+import java.lang.module.ModuleDescriptor.Requires;
 import java.sql.Date;
 import java.sql.Driver;
 import java.util.HashMap;
@@ -16,7 +25,7 @@ import java.util.stream.Collectors;
 
 import org.junit.Before;
 import org.junit.Test;
-import org.junit.Ignore;
+
 
 public class ModuleAPIUnitTest {
 
@@ -28,14 +37,9 @@ public class ModuleAPIUnitTest {
 
     @Before
     public void setUp() {
-        Class<HashMap> hashMapClass = HashMap.class;
-        javaBaseModule = hashMapClass.getModule();
-
-        Class<Date> dateClass = Date.class;
-        javaSqlModule = dateClass.getModule();
-
-        Class<Person> personClass = Person.class;
-        module = personClass.getModule();
+        javaBaseModule = HashMap.class.getModule();
+        javaSqlModule = Date.class.getModule();
+        module = Person.class.getModule();
     }
 
     @Test
@@ -111,7 +115,6 @@ public class ModuleAPIUnitTest {
     }
 
     @Test
-    @Ignore // fixing in http://team.baeldung.com/browse/JAVA-8679
     public void givenModules_whenAccessingModuleDescriptorProvides_thenProvidesAreReturned() {
         Set<Provides> javaBaseProvides = javaBaseModule.getDescriptor().provides();
         Set<Provides> javaSqlProvides = javaSqlModule.getDescriptor().provides();
@@ -120,7 +123,7 @@ public class ModuleAPIUnitTest {
                 .map(Provides::service)
                 .collect(Collectors.toSet());
 
-        assertThat(javaBaseProvidesService, contains("java.nio.file.spi.FileSystemProvider"));
+        assertThat(javaBaseProvidesService, hasItem("java.nio.file.spi.FileSystemProvider"));
         assertThat(javaSqlProvides, empty());
     }
 
@@ -132,15 +135,14 @@ public class ModuleAPIUnitTest {
           .map(Exports::source)
           .collect(Collectors.toSet());
 
-        assertThat(javaSqlExportsSource, hasItems("java.sql",  "javax.sql"));
+        assertThat(javaSqlExportsSource, hasItems("java.sql", "javax.sql"));
     }
 
     @Test
     public void givenModules_whenAccessingModuleDescriptorUses_thenUsesAreReturned() {
-        Set<String> javaBaseUses = javaBaseModule.getDescriptor().uses();
         Set<String> javaSqlUses = javaSqlModule.getDescriptor().uses();
 
-        assertThat(javaSqlUses, contains("java.sql.Driver"));
+        assertThat(javaSqlUses, hasItem("java.sql.Driver"));
     }
 
     @Test

core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/implicitsuperconstructorundefined/Employee.java

@@ -0,0 +1,26 @@
+package com.baeldung.implicitsuperconstructorundefined;
+
+public class Employee extends Person {
+
+    private Double salary;
+
+    public Employee(String name, Integer age, Double salary) {
+        // comment this super call to see the error.
+        super(name, age);
+        this.salary = salary;
+    }
+
+    public Employee(Double salary) {
+        super();
+        this.salary = salary;
+    }
+
+    public Double getSalary() {
+        return salary;
+    }
+
+    public void setSalary(Double salary) {
+        this.salary = salary;
+    }
+
+}

core-java-modules/core-java-lang-oop-constructors/src/main/java/com/baeldung/implicitsuperconstructorundefined/Person.java

@@ -0,0 +1,35 @@
+package com.baeldung.implicitsuperconstructorundefined;
+
+public class Person {
+
+    private String name;
+    
+    private Integer age;
+
+    public Person(String name, Integer age) {
+        this.name = name;
+        this.age = age;
+    }
+    
+    // comment this constructor to see the error.
+    public Person() {
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    
+}

core-java-modules/core-java-lang-oop-types-2/README.md

@@ -5,4 +5,4 @@ This module contains articles about types in Java
 ### Relevant Articles: 
 
 - [Convert an Array of Primitives to an Array of Objects](https://www.baeldung.com/java-primitive-array-to-object-array)
-- [Check if an Enum Value Exists in Java](https://www.baeldung.com/java-find-enum-by-criteria)
+- [Check if an Enum Value Exists in Java](https://www.baeldung.com/java-search-enum-values)

lombok/src/main/java/com/baeldung/lombok/with/Device.java

@@ -0,0 +1,13 @@
+package com.baeldung.lombok.with;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.With;
+
+@Getter
+@AllArgsConstructor
+public abstract class Device {
+    private final String serial;
+    @With
+    private final boolean isInspected;
+}

lombok/src/main/java/com/baeldung/lombok/with/Holder.java

@@ -0,0 +1,16 @@
+package com.baeldung.lombok.with;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.With;
+
+@Getter
+@AllArgsConstructor
+public class Holder {
+    @With
+    private String variableA;
+    @With
+    private String _variableB;
+    @With
+    private String $variableC;
+}

lombok/src/main/java/com/baeldung/lombok/with/ImprovedUser.java

@@ -0,0 +1,14 @@
+package com.baeldung.lombok.with;
+
+import lombok.AllArgsConstructor;
+import lombok.NonNull;
+import lombok.With;
+
+@With
+@AllArgsConstructor
+public class ImprovedUser {
+    @NonNull
+    private final String username;
+    @NonNull
+    private final String emailAddress;
+}

lombok/src/main/java/com/baeldung/lombok/with/KioskDevice.java

@@ -0,0 +1,13 @@
+package com.baeldung.lombok.with;
+
+public class KioskDevice extends Device {
+
+    public KioskDevice(String serial, boolean isInspected) {
+        super(serial, isInspected);
+    }
+
+    @Override
+    public Device withInspected(boolean isInspected) {
+        return new KioskDevice(getSerial(), isInspected);
+    }
+}

lombok/src/main/java/com/baeldung/lombok/with/Stock.java

@@ -0,0 +1,23 @@
+package com.baeldung.lombok.with;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.With;
+
+@Getter
+@AllArgsConstructor
+public class Stock {
+    @With
+    private String sku;
+    private int stockCount;
+
+    public Stock withSku(String sku) {
+        return new Stock("mod-" + sku, stockCount);
+    }
+
+    public Stock withSKU(String... sku) {
+        return sku == null || sku.length == 0 ?
+            new Stock("unknown", stockCount) :
+            new Stock("mod-" + sku[0], stockCount);
+    }
+}

lombok/src/main/java/com/baeldung/lombok/with/User.java

@@ -0,0 +1,14 @@
+package com.baeldung.lombok.with;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.With;
+
+@Getter
+@AllArgsConstructor
+public class User {
+    private final String username;
+    private final String emailAddress;
+    @With
+    private final boolean isAuthenticated;
+}

lombok/src/test/java/com/baeldung/lombok/with/HolderUnitTest.java

@@ -0,0 +1,24 @@
+package com.baeldung.lombok.with;
+
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+
+public class HolderUnitTest {
+
+    @Test
+    public void whenWithMethodsGenerated_thenUsable() {
+        Holder value = new Holder("a", "b");
+
+        Holder valueModifiedA = value.withVariableA("mod-a");
+        Holder valueModifiedB = value.with_variableB("mod-b");
+        // Holder valueModifiedC = value.with$VariableC("mod-c"); not possible
+
+        assertNotSame(valueModifiedA, value);
+        assertNotSame(valueModifiedB, value);
+        assertEquals("mod-a", valueModifiedA.getVariableA());
+        assertEquals("mod-b", valueModifiedB.get_variableB());
+    }
+}

lombok/src/test/java/com/baeldung/lombok/with/ImprovedUserUnitTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.lombok.with;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class ImprovedUserUnitTest {
+
+    @Test
+    public void whenUsernameNull_thenException() {
+        ImprovedUser user = new ImprovedUser("testuser", "test@mail.com");
+
+        assertThrows(NullPointerException.class, () -> user.withUsername(null));
+    }
+
+    @Test
+    public void whenEmailNull_thenException() {
+        ImprovedUser user = new ImprovedUser("testuser", "test@mail.com");
+
+        assertThrows(NullPointerException.class, () -> user.withEmailAddress(null));
+    }
+}

lombok/src/test/java/com/baeldung/lombok/with/KioskDeviceWithUnitTest.java

@@ -0,0 +1,21 @@
+package com.baeldung.lombok.with;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class KioskDeviceWithUnitTest {
+
+    @Test
+    public void whenDeviceInspected_thenClonedAndUpdated() {
+        KioskDevice device = new KioskDevice("S-001", false);
+
+        Device inspectedDevice = device.withInspected(true);
+
+        assertNotSame(inspectedDevice, device);
+        assertFalse(device.isInspected());
+        assertTrue(inspectedDevice.isInspected());
+    }
+}

lombok/src/test/java/com/baeldung/lombok/with/StockWithUnitTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.lombok.with;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class StockWithUnitTest {
+
+    @Test
+    public void givenWithManuallyProvided_whenSkuChanged_thenManualMethodUsed() {
+        Stock stock = new Stock("sku-001", 5);
+
+        Stock modifiedStock = stock.withSku("sku-002");
+        Stock anotherModifiedStock = stock.withSKU("sku-003", "sku-004");
+
+        assertNotSame(modifiedStock, stock);
+        assertNotSame(anotherModifiedStock, stock);
+        assertTrue(modifiedStock.getSku().startsWith("mod"));
+        assertTrue(anotherModifiedStock.getSku().startsWith("mod"));
+    }
+}

lombok/src/test/java/com/baeldung/lombok/with/UserWithUnitTest.java

@@ -0,0 +1,21 @@
+package com.baeldung.lombok.with;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class UserWithUnitTest {
+
+    @Test
+    public void whenUserAuthenticated_thenClonedAndUpdated() {
+        User immutableUser = new User("testuser", "test@mail.com", false);
+
+        User authenticatedUser = immutableUser.withAuthenticated(true);
+
+        assertNotSame(immutableUser, authenticatedUser);
+        assertFalse(immutableUser.isAuthenticated());
+        assertTrue(authenticatedUser.isAuthenticated());
+    }
+}

micronaut/pom.xml

@@ -135,7 +135,8 @@
     </build>
 
     <properties>
-        <exec.mainClass>com.baeldung.micronaut.helloworld.server.ServerApplication</exec.mainClass>
+        <!-- <exec.mainClass>com.baeldung.micronaut.helloworld.server.ServerApplication</exec.mainClass> -->
+        <exec.mainClass>com.baeldung.micronaut.vs.springboot.CompareApplication</exec.mainClass>
         <micronaut.version>1.0.0.RC2</micronaut.version>
         <jdk.version>1.8</jdk.version>
         <annotation.api.version>1.3.2</annotation.api.version>

micronaut/src/main/java/com/baeldung/micronaut/vs/springboot/CompareApplication.java

@@ -0,0 +1,9 @@
+package com.baeldung.micronaut.vs.springboot;
+
+import io.micronaut.runtime.Micronaut;
+
+public class CompareApplication {
+    public static void main(String[] args) {
+    	Micronaut.run(CompareApplication.class);
+    }
+}

micronaut/src/main/java/com/baeldung/micronaut/vs/springboot/client/ArithmeticClient.java

@@ -0,0 +1,23 @@
+package com.baeldung.micronaut.vs.springboot.client;
+
+import io.micronaut.http.annotation.Get;
+import io.micronaut.http.client.annotation.Client;
+
+@Client("/math")
+public interface ArithmeticClient {
+
+	@Get("/sum/{number1}/{number2}")
+	String sum(float number1, float number2);
+	
+	@Get("/subtract/{number1}/{number2}")
+	String subtract(float number1, float number2);
+	
+	@Get("/multiply/{number1}/{number2}")
+	String multiply(float number1, float number2);
+	
+	@Get("/divide/{number1}/{number2}")
+	String divide(float number1, float number2);
+	
+	@Get("/memory")
+	String memory();
+}

micronaut/src/main/java/com/baeldung/micronaut/vs/springboot/client/ArithmeticClientImpl.java

@@ -0,0 +1,41 @@
+package com.baeldung.micronaut.vs.springboot.client;
+
+import javax.inject.Singleton;
+
+import io.micronaut.http.HttpRequest;
+import io.micronaut.http.client.RxHttpClient;
+import io.micronaut.http.client.annotation.Client;
+
+@Singleton
+public class ArithmeticClientImpl {
+	private RxHttpClient httpClient;
+
+	public ArithmeticClientImpl(@Client("/") RxHttpClient httpClient) {
+	    this.httpClient = httpClient;
+    }
+
+    public String sum(float number1, float number2) {
+	    HttpRequest<String> req = HttpRequest.GET("/math/sum/" + number1 + "/" + number2);
+	    return httpClient.retrieve(req).blockingFirst();
+	}
+    
+    public String subtract(float number1, float number2) {
+	    HttpRequest<String> req = HttpRequest.GET("/math/subtract/" + number1 + "/" + number2);
+	    return httpClient.retrieve(req).blockingFirst();
+	}
+    
+    public String multiply(float number1, float number2) {
+	    HttpRequest<String> req = HttpRequest.GET("/math/multiply/" + number1 + "/" + number2);
+	    return httpClient.retrieve(req).blockingFirst();
+	}
+    
+    public String divide(float number1, float number2) {
+	    HttpRequest<String> req = HttpRequest.GET("/math/divide/" + number1 + "/" + number2);
+	    return httpClient.retrieve(req).blockingFirst();
+	}
+    
+    public String memory() {
+	    HttpRequest<String> req = HttpRequest.GET("/math/memory");
+	    return httpClient.retrieve(req).blockingFirst();
+	}
+}

micronaut/src/main/java/com/baeldung/micronaut/vs/springboot/controller/ArithmeticController.java

@@ -0,0 +1,58 @@
+package com.baeldung.micronaut.vs.springboot.controller;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryMXBean;
+
+import javax.inject.Inject;
+
+import com.baeldung.micronaut.vs.springboot.service.ArithmeticService;
+
+import io.micronaut.http.annotation.Controller;
+import io.micronaut.http.annotation.Get;
+
+@Controller("/math")
+public class ArithmeticController {
+    @Inject
+    private ArithmeticService arithmeticService;
+    
+    @Get("/sum/{number1}/{number2}")
+    public float getSum(float number1, float number2) {
+    	return arithmeticService.add(number1, number2);
+    }
+    
+    @Get("/subtract/{number1}/{number2}")
+    public float getDifference(float number1, float number2) {
+    	return arithmeticService.subtract(number1, number2);
+    }
+    
+    @Get("/multiply/{number1}/{number2}")
+    public float getMultiplication(float number1, float number2) {
+    	return arithmeticService.multiply(number1, number2);
+    }
+    
+    @Get("/divide/{number1}/{number2}")
+    public float getDivision(float number1, float number2) {
+    	return arithmeticService.divide(number1, number2);
+    }
+    
+    @Get("/memory")
+    public String getMemoryStatus() {
+    	MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
+    	String memoryStats = "";
+    	
+    	String init = String.format("Initial: %.2f GB \n", 
+    	    (double)memoryBean.getHeapMemoryUsage().getInit() /1073741824);
+    	String usedHeap = String.format("Used: %.2f GB \n", 
+            (double)memoryBean.getHeapMemoryUsage().getUsed() /1073741824);
+    	String maxHeap = String.format("Max: %.2f GB \n", 
+            (double)memoryBean.getHeapMemoryUsage().getMax() /1073741824);
+    	String committed = String.format("Committed: %.2f GB \n", 
+                (double)memoryBean.getHeapMemoryUsage().getCommitted() /1073741824);
+    	memoryStats += init;
+    	memoryStats += usedHeap;
+    	memoryStats += maxHeap;
+    	memoryStats += committed;
+    	
+    	return memoryStats;
+    }
+}

micronaut/src/main/java/com/baeldung/micronaut/vs/springboot/service/ArithmeticService.java

@@ -0,0 +1,25 @@
+package com.baeldung.micronaut.vs.springboot.service;
+
+import javax.inject.Singleton;
+
+@Singleton
+public class ArithmeticService {
+    public float add(float number1, float number2) {
+    	return number1 + number2;
+    }
+    
+    public float subtract(float number1, float number2) {
+    	return number1 - number2;
+    }
+    
+    public float multiply(float number1, float number2) {
+    	return number1 * number2;
+    }
+    
+    public float divide(float number1, float number2) {
+    	if (number2 == 0) {
+    		throw new IllegalArgumentException("'number2' cannot be zero");
+    	}
+    	return number1 / number2;
+    }
+}

micronaut/src/test/java/com/baeldung/micronaut/vs/springboot/ArithmeticClientUnitTest.java

@@ -0,0 +1,61 @@
+package com.baeldung.micronaut.vs.springboot;
+
+import static org.junit.Assert.assertEquals;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsString;
+
+import io.micronaut.context.ApplicationContext;
+import io.micronaut.runtime.server.EmbeddedServer;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.baeldung.micronaut.vs.springboot.client.ArithmeticClientImpl;
+
+
+public class ArithmeticClientUnitTest {
+	private EmbeddedServer server;
+    private ArithmeticClientImpl client;
+
+    @Before
+    public void setup() {
+        server = ApplicationContext.run(EmbeddedServer.class);
+        client = server.getApplicationContext().getBean(ArithmeticClientImpl.class);
+    }
+
+    @After
+    public void cleanup() {
+        server.stop();
+    }
+    
+    @Test
+    public void givenTwoNumbers_whenAdd_thenCorrectAnswerReturned() {
+    	String expected = Float.valueOf(10 + 20).toString();
+    	assertEquals(expected, client.sum(10, 20));
+    }
+    
+    @Test
+    public void givenTwoNumbers_whenSubtract_thenCorrectAnswerReturned() {
+    	String expected = Float.valueOf(20 - 10).toString();
+    	assertEquals(expected, client.subtract(20, 10));
+    }
+    
+    @Test
+    public void givenTwoNumbers_whenMultiply_thenCorrectAnswerReturned() {
+    	String expected = Float.valueOf(10 * 20).toString();
+    	assertEquals(expected, client.multiply(10, 20));
+    }
+    
+    @Test
+    public void givenTwoNumbers_whenDivide_thenCorrectAnswerReturned() {
+    	String expected = Float.valueOf(30 / 10).toString();
+    	assertEquals(expected, client.divide(30, 10));
+    }
+    
+    @Test
+    public void whenMemory_thenCorrectAnswerReturned() {
+    	String expected = "Initial:";
+    	assertThat(client.memory(), containsString(expected));
+    }
+}

persistence-modules/spring-boot-persistence-mongodb/src/test/resources/application.properties

@@ -0,0 +1 @@
+spring.mongodb.embedded.version=3.5.5

persistence-modules/spring-data-jpa-query-2/pom.xml

@@ -30,10 +30,6 @@
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.hibernate</groupId>
-            <artifactId>hibernate-envers</artifactId>
-        </dependency>
         <dependency>
             <groupId>javax.transaction</groupId>
             <artifactId>jta</artifactId>
@@ -56,12 +52,10 @@
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-core</artifactId>
-            <version>${hibernate.version}</version>
         </dependency>
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-envers</artifactId>
-            <version>${hibernate.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
@@ -84,8 +78,6 @@
         <tomcat-dbcp.version>9.0.0.M26</tomcat-dbcp.version>
         <jta.version>1.1</jta.version>
         <guava.version>21.0</guava.version>
-        <!-- persistence -->
-        <hibernate.version>5.2.10.Final</hibernate.version>
     </properties>
 
 </project>

spring-boot-modules/pom.xml

@@ -70,6 +70,7 @@
         <module>spring-boot-swagger</module>
         <module>spring-boot-swagger-jwt</module>
         <module>spring-boot-testing</module>
+        <module>spring-boot-testing-2</module>
         <module>spring-boot-vue</module>
         <module>spring-boot-actuator</module>
         <module>spring-boot-data-2</module>

spring-boot-modules/spring-boot-annotations-2/README.md

@@ -5,4 +5,5 @@ This module contains articles about Spring Boot annotations
 ### Relevant Articles:
 
 - [Spring Conditional Annotations](https://www.baeldung.com/spring-conditional-annotations)
+- [Guide to @SpringBootConfiguration in Spring Boot](https://www.baeldung.com/springbootconfiguration-annotation)
 - More articles: [[<-- prev]](/spring-boot-modules/spring-boot-annotations)

spring-boot-modules/spring-boot-annotations-2/src/main/resources/application.properties

@@ -0,0 +1 @@
+spring.main.web-application-type=none

spring-boot-modules/spring-boot-annotations-2/src/test/java/com/baeldung/springbootconfiguration/SpringContextTest.java

@@ -0,0 +1,15 @@
+package com.baeldung.springbootconfiguration;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class SpringContextTest {
+
+    @Test
+    public void contextLoads() {
+    }
+}

spring-boot-modules/spring-boot-bootstrap/README.md

@@ -9,5 +9,4 @@ This module contains articles about bootstrapping Spring Boot applications.
 - [Deploy a Spring Boot Application to Google App Engine](https://www.baeldung.com/spring-boot-google-app-engine)
 - [Deploy a Spring Boot Application to OpenShift](https://www.baeldung.com/spring-boot-deploy-openshift)
 - [Deploy a Spring Boot Application to AWS Beanstalk](https://www.baeldung.com/spring-boot-deploy-aws-beanstalk)
-- [Guide to @SpringBootConfiguration in Spring Boot](https://www.baeldung.com/springbootconfiguration-annotation)
 - [Implement Health Checks in OpenShift](https://www.baeldung.com/ops/openshift-health-checks)

spring-boot-modules/spring-boot-environment/src/main/java/com/baeldung/prefix/PrefixController.java

@@ -1,6 +1,7 @@
 package com.baeldung.prefix;
 
-import org.springframework.beans.factory.annotation.Value;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -8,12 +9,12 @@ import org.springframework.web.bind.annotation.GetMapping;
 @Controller
 public class PrefixController {
 
-    @Value(value = "${server.port}")
-    private int serverPort;
+    @Autowired
+    private Environment environment;
 
     @GetMapping("/prefix")
     public String getServerPortInfo(final Model model) {
-        model.addAttribute("serverPort", serverPort);
+        model.addAttribute("serverPort", environment.getProperty("server.port"));
         return "prefix";
     }
 }

spring-boot-modules/spring-boot-libraries-2/src/main/java/com/baeldung/JobRunrSpringBootApp.java

@@ -1,15 +1,11 @@
 package com.baeldung;
 
 import com.baeldung.jobrunr.service.SampleJobService;
-import org.jobrunr.jobs.mappers.JobMapper;
 import org.jobrunr.scheduling.JobScheduler;
 import org.jobrunr.scheduling.cron.Cron;
-import org.jobrunr.storage.InMemoryStorageProvider;
-import org.jobrunr.storage.StorageProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.annotation.Bean;
 
 import javax.annotation.PostConstruct;
 
@@ -23,13 +19,6 @@ public class JobRunrSpringBootApp {
         SpringApplication.run(JobRunrSpringBootApp.class, args);
     }
 
-    @Bean
-    public StorageProvider storageProvider(JobMapper jobMapper) {
-        InMemoryStorageProvider storageProvider = new InMemoryStorageProvider();
-        storageProvider.setJobMapper(jobMapper);
-        return storageProvider;
-    }
-
     @PostConstruct
     public void scheduleRecurrently() {
         jobScheduler.<SampleJobService>scheduleRecurrently(Cron.every5minutes(), x -> x.executeSampleJob("a recurring job"));

spring-boot-modules/spring-boot-libraries-2/src/main/java/com/baeldung/config/StorageProviderConfig.java

@@ -0,0 +1,18 @@
+package com.baeldung.config;
+
+import org.jobrunr.jobs.mappers.JobMapper;
+import org.jobrunr.storage.InMemoryStorageProvider;
+import org.jobrunr.storage.StorageProvider;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class StorageProviderConfig {
+
+    @Bean
+    public StorageProvider storageProvider(JobMapper jobMapper) {
+        InMemoryStorageProvider storageProvider = new InMemoryStorageProvider();
+        storageProvider.setJobMapper(jobMapper);
+        return storageProvider;
+    }
+}

spring-boot-modules/spring-boot-mvc-3/src/main/java/com/baeldung/micronaut/vs/springboot/CompareApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.micronaut.vs.springboot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+
+@EnableAutoConfiguration
+@ComponentScan("com.baeldung.micronaut.vs.springboot")
+public class CompareApplication {
+	public static void main(final String[] args) {
+        SpringApplication.run(CompareApplication.class, args);
+    }
+}

spring-boot-modules/spring-boot-mvc-3/src/main/java/com/baeldung/micronaut/vs/springboot/controller/ArithmeticController.java

@@ -0,0 +1,60 @@
+package com.baeldung.micronaut.vs.springboot.controller;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryMXBean;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.micronaut.vs.springboot.service.ArithmeticService;
+
+@RestController
+@RequestMapping("/math")
+public class ArithmeticController {
+    @Autowired
+    private ArithmeticService arithmeticService;
+    
+    @GetMapping("/sum/{number1}/{number2}")
+    public float getSum(@PathVariable("number1") float number1, @PathVariable("number2") float number2) {
+    	return arithmeticService.add(number1, number2);
+    }
+    
+    @GetMapping("/subtract/{number1}/{number2}")
+    public float getDifference(@PathVariable("number1") float number1, @PathVariable("number2") float number2) {
+    	return arithmeticService.subtract(number1, number2);
+    }
+    
+    @GetMapping("/multiply/{number1}/{number2}")
+    public float getMultiplication(@PathVariable("number1") float number1, @PathVariable("number2") float number2) {
+    	return arithmeticService.multiply(number1, number2);
+    }
+    
+    @GetMapping("/divide/{number1}/{number2}")
+    public float getDivision(@PathVariable("number1") float number1, @PathVariable("number2") float number2) {
+    	return arithmeticService.divide(number1, number2);
+    }
+    
+    @GetMapping("/memory")
+    public String getMemoryStatus() {
+    	MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
+    	String memoryStats = "";
+    	
+    	String init = String.format("Initial: %.2f GB \n", 
+    	    (double)memoryBean.getHeapMemoryUsage().getInit() /1073741824);
+    	String usedHeap = String.format("Used: %.2f GB \n", 
+            (double)memoryBean.getHeapMemoryUsage().getUsed() /1073741824);
+    	String maxHeap = String.format("Max: %.2f GB \n", 
+            (double)memoryBean.getHeapMemoryUsage().getMax() /1073741824);
+    	String committed = String.format("Committed: %.2f GB \n", 
+                (double)memoryBean.getHeapMemoryUsage().getCommitted() /1073741824);
+    	memoryStats += init;
+    	memoryStats += usedHeap;
+    	memoryStats += maxHeap;
+    	memoryStats += committed;
+    	
+    	return memoryStats;
+    }
+}

spring-boot-modules/spring-boot-mvc-3/src/main/java/com/baeldung/micronaut/vs/springboot/service/ArithmeticService.java

@@ -0,0 +1,25 @@
+package com.baeldung.micronaut.vs.springboot.service;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class ArithmeticService {
+	public float add(float number1, float number2) {
+    	return number1 + number2;
+    }
+    
+    public float subtract(float number1, float number2) {
+    	return number1 - number2;
+    }
+    
+    public float multiply(float number1, float number2) {
+    	return number1 * number2;
+    }
+    
+    public float divide(float number1, float number2) {
+    	if (number2 == 0) {
+    		throw new IllegalArgumentException("'number2' cannot be zero");
+    	}
+    	return number1 / number2;
+    }
+}

spring-boot-modules/spring-boot-mvc-3/src/test/java/com/baeldung/micronaut/vs/springboot/controller/ArithmeticControllerUnitTest.java

@@ -0,0 +1,68 @@
+package com.baeldung.micronaut.vs.springboot.controller;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.jupiter.api.Test;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.hamcrest.Matchers.containsString;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+
+import com.baeldung.micronaut.vs.springboot.CompareApplication;
+
+@SpringBootTest(classes = CompareApplication.class)
+@AutoConfigureMockMvc
+public class ArithmeticControllerUnitTest {
+	@Autowired
+    private MockMvc mockMvc;
+	
+	@Test
+	public void givenTwoNumbers_whenAdd_thenCorrectAnswerReturned() throws Exception {
+		Float expected = Float.valueOf(10 + 20);
+		this.mockMvc.perform(MockMvcRequestBuilders.get("/math/sum/10/20")
+				.accept(MediaType.APPLICATION_JSON))
+	            .andExpect(status().isOk())
+	            .andExpect(content().string(expected.toString()));
+	}
+	
+	@Test
+	public void givenTwoNumbers_whenSubtract_thenCorrectAnswerReturned() throws Exception {
+		Float expected = Float.valueOf(20 - 10);
+		this.mockMvc.perform(MockMvcRequestBuilders.get("/math/subtract/20/10")
+				.accept(MediaType.APPLICATION_JSON))
+	            .andExpect(status().isOk())
+	            .andExpect(content().string(expected.toString()));
+	}
+
+	@Test
+	public void givenTwoNumbers_whenMultiply_thenCorrectAnswerReturned() throws Exception {
+		Float expected = Float.valueOf(20 * 10);
+		this.mockMvc.perform(MockMvcRequestBuilders.get("/math/multiply/20/10")
+				.accept(MediaType.APPLICATION_JSON))
+	            .andExpect(status().isOk())
+	            .andExpect(content().string(expected.toString()));
+	}
+	
+	@Test
+	public void givenTwoNumbers_whenDivide_thenCorrectAnswerReturned() throws Exception {
+		Float expected = Float.valueOf(20 / 10);
+		this.mockMvc.perform(MockMvcRequestBuilders.get("/math/divide/20/10")
+				.accept(MediaType.APPLICATION_JSON))
+	            .andExpect(status().isOk())
+	            .andExpect(content().string(expected.toString()));
+	}
+	
+	@Test
+	public void whenMemory_thenMemoryStringReturned() throws Exception {
+		this.mockMvc.perform(MockMvcRequestBuilders.get("/math/memory")
+		    .accept(MediaType.APPLICATION_JSON))
+		    .andExpect(status().isOk())
+		    .andExpect(content().string(containsString("Initial:")));
+	}
+}

spring-boot-modules/spring-boot-runtime/pom.xml

@@ -95,7 +95,7 @@
         <jpa.version>2.2</jpa.version>
         <guava.version>18.0</guava.version>
         <subethasmtp.version>3.1.7</subethasmtp.version>
-        <springcloud.version>3.0.2</springcloud.version>
+        <springcloud.version>3.1.0</springcloud.version>
         <httpclient.version>4.5.8</httpclient.version>
     </properties>
 

spring-boot-modules/spring-boot-testing-2/.gitignore

@@ -0,0 +1,5 @@
+/target/
+.settings/
+.classpath
+.project
+

spring-boot-modules/spring-boot-testing-2/README.md

@@ -0,0 +1,12 @@
+## Spring Boot Testing
+
+This module contains articles about Spring Boot testing
+
+### The Course
+
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
+### Relevant Articles:
+
+- [Setting the Log Level in Spring Boot when Testing](https://www.baeldung.com/spring-boot-testing-log-level)
+- More articles: [[<-- prev]](../spring-boot-testing)

spring-boot-modules/spring-boot-testing-2/pom.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-boot-testing-2</artifactId>
+    <name>spring-boot-testing-2</name>
+    <packaging>jar</packaging>
+    <description>This is simple boot application for demonstrating testing features.</description>
+
+    <parent>
+        <groupId>com.baeldung.spring-boot-modules</groupId>
+        <artifactId>spring-boot-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <start-class>com.baeldung.boot.Application</start-class>
+    </properties>
+
+</project>

spring-boot-modules/spring-boot-testing-2/src/main/java/com/baeldung/boot/Application.java

@@ -0,0 +1,12 @@
+package com.baeldung.boot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}

spring-boot-modules/spring-boot-testing-2/src/main/resources/application.properties

@@ -0,0 +1 @@
+

spring-boot-modules/spring-boot-testing-2/src/test/java/com/baeldung/boot/SpringContextTest.java

@@ -0,0 +1,15 @@
+package com.baeldung.boot;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class SpringContextTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}

spring-boot-modules/spring-boot-testing-2/src/test/resources/application.properties

@@ -0,0 +1,3 @@
+# logging.level.com.baeldung.testloglevel=DEBUG
+
+# logging.level.root=INFO

spring-boot-modules/spring-boot-testing-2/src/test/resources/logback-test.xml

@@ -0,0 +1,13 @@
+<configuration>
+    <include resource="/org/springframework/boot/logging/logback/base.xml"/>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+    <root level="error">
+        <appender-ref ref="STDOUT"/>
+    </root>
+    <logger name="com.baeldung.testloglevel" level="debug"/>
+</configuration>

spring-boot-modules/spring-boot-testing/README.md

@@ -10,9 +10,9 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 
 - [Testing with Spring and Spock](https://www.baeldung.com/spring-spock-testing)
 - [Exclude Auto-Configuration Classes in Spring Boot Tests](https://www.baeldung.com/spring-boot-exclude-auto-configuration-test)
-- [Setting the Log Level in Spring Boot when Testing](https://www.baeldung.com/spring-boot-testing-log-level)
 - [Embedded Redis Server with Spring Boot Test](https://www.baeldung.com/spring-embedded-redis)
 - [Testing Spring Boot @ConfigurationProperties](https://www.baeldung.com/spring-boot-testing-configurationproperties)
 - [Prevent ApplicationRunner or CommandLineRunner Beans From Executing During Junit Testing](https://www.baeldung.com/spring-junit-prevent-runner-beans-testing-execution)
 - [Testing in Spring Boot](https://www.baeldung.com/spring-boot-testing)
 - [Fixing the NoSuchMethodError JUnit Error](https://www.baeldung.com/junit-nosuchmethoderror)
+- More articles: [[more -->]](../spring-boot-testing-2)

spring-boot-modules/spring-boot-testing/src/test/resources/logback-test.xml

@@ -9,5 +9,4 @@
     <root level="error">
         <appender-ref ref="STDOUT"/>
     </root>
-    <logger name="com.baeldung.testloglevel" level="debug"/>
 </configuration>

spring-cloud/spring-cloud-zuul/spring-zuul-rate-limiting/pom.xml

@@ -42,6 +42,8 @@
 
     <properties>
         <rate.limit.version>2.2.0.RELEASE</rate.limit.version>
+        <spring-boot.version>2.4.7</spring-boot.version>
+        <spring-cloud-dependencies.version>2020.0.4</spring-cloud-dependencies.version>
     </properties>
 
 </project>

spring-security-modules/spring-security-web-thymeleaf/src/main/java/com/baeldung/springsecuritythymeleaf/PasswordEncoderConfiguration.java

@@ -0,0 +1,15 @@
+package com.baeldung.springsecuritythymeleaf;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+@Configuration
+public class PasswordEncoderConfiguration {
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}

spring-security-modules/spring-security-web-thymeleaf/src/main/java/com/baeldung/springsecuritythymeleaf/SecurityConfiguration.java

@@ -8,6 +8,7 @@ import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
 
 @Configuration
@@ -32,19 +33,15 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
     }
 
     @Autowired
-    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
+    public void configureGlobal(AuthenticationManagerBuilder auth, PasswordEncoder passwordEncoder) throws Exception {
         auth.inMemoryAuthentication()
             .withUser("user")
-            .password(passwordEncoder().encode("password"))
+            .password(passwordEncoder.encode("password"))
             .roles("USER")
             .and()
             .withUser("admin")
-            .password(passwordEncoder().encode("admin"))
+            .password(passwordEncoder.encode("admin"))
             .roles("ADMIN");
     }
-    
-    @Bean
-    public BCryptPasswordEncoder passwordEncoder() {
-        return new BCryptPasswordEncoder();
-    }
+
 }

spring-security-modules/spring-security-web-thymeleaf/src/test/java/com/baeldung/springsecuritythymeleaf/ViewControllerIntegrationTest.java

@@ -9,11 +9,13 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.context.annotation.Import;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 
 @RunWith(SpringRunner.class)
 @WebMvcTest
+@Import(PasswordEncoderConfiguration.class)
 public class ViewControllerIntegrationTest {
 
 	@Autowired

spring-security-modules/spring-session/spring-session-redis/src/main/java/com/baeldung/spring/session/PasswordEncoderConfig.java

@@ -0,0 +1,15 @@
+package com.baeldung.spring.session;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+@Configuration
+public class PasswordEncoderConfig {
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}

spring-security-modules/spring-session/spring-session-redis/src/main/java/com/baeldung/spring/session/SecurityConfig.java

@@ -15,8 +15,8 @@ import org.springframework.security.crypto.password.PasswordEncoder;
 public class SecurityConfig extends WebSecurityConfigurerAdapter {
     
     @Autowired
-    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
-        auth.inMemoryAuthentication().withUser("admin").password(passwordEncoder().encode("password")).roles("ADMIN");
+    public void configureGlobal(AuthenticationManagerBuilder auth, PasswordEncoder passwordEncoder) throws Exception {
+        auth.inMemoryAuthentication().withUser("admin").password(passwordEncoder.encode("password")).roles("ADMIN");
     }
     
     @Override
@@ -24,8 +24,4 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
         http.httpBasic().and().authorizeRequests().antMatchers("/").hasRole("ADMIN").anyRequest().authenticated();
     }
     
-    @Bean
-    public PasswordEncoder passwordEncoder() {
-        return new BCryptPasswordEncoder();
-    }
 }

spring-web-modules/pom.xml

@@ -30,6 +30,7 @@
         <module>spring-mvc-views</module>
         <module>spring-mvc-webflow</module>
         <module>spring-mvc-xml</module>
+        <module>spring-mvc-xml-2</module>
         <module>spring-rest-angular</module>
         <module>spring-rest-http</module>
         <module>spring-rest-http-2</module>
@@ -47,4 +48,4 @@
         <module>spring-web-url</module>
     </modules>
 
-</project>
+</project>

spring-web-modules/spring-mvc-xml-2/.gitignore

@@ -0,0 +1,13 @@
+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

spring-web-modules/spring-mvc-xml-2/README.md

@@ -0,0 +1,14 @@
+## Spring MVC XML
+
+This module contains articles about Spring MVC with XML configuration
+
+### The Course
+
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
+### Relevant Articles: 
+
+- [Exploring SpringMVC’s Form Tag Library](https://www.baeldung.com/spring-mvc-form-tags)
+- [Validating RequestParams and PathVariables in Spring](https://www.baeldung.com/spring-validate-requestparam-pathvariable)
+- [Debugging the Spring MVC 404 “No mapping found for HTTP request” Error](https://www.baeldung.com/spring-mvc-404-error)
+- More articles: [[<-- prev]](../spring-mvc-xml)

spring-web-modules/spring-mvc-xml-2/pom.xml

@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-mvc-xml-2</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <name>spring-mvc-xml-2</name>
+    <packaging>war</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>spring-web-modules</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <!-- Spring -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <version>${org.springframework.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-webmvc</artifactId>
+            <version>${org.springframework.version}</version>
+        </dependency>
+        <!-- web -->
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>${javax.servlet-api.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+            <version>${jstl.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate.validator</groupId>
+            <artifactId>hibernate-validator</artifactId>
+            <version>${hibernate-validator.version}</version>
+        </dependency>
+        <!-- Json conversion -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <!-- IO -->
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish</groupId>
+            <artifactId>javax.el</artifactId>
+            <version>${javax.el.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <version>${spring-boot.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>spring-mvc-xml</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>${maven-war-plugin.version}</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <org.springframework.version>5.0.2.RELEASE</org.springframework.version>
+        <spring-boot.version>1.5.10.RELEASE</spring-boot.version>
+        <mysql-connector-java.version>5.1.40</mysql-connector-java.version>
+        <httpcore.version>4.4.5</httpcore.version>
+        <httpclient.version>4.5.2</httpclient.version>
+        <hibernate-validator.version>6.0.10.Final</hibernate-validator.version>
+        <javax.el.version>3.0.1-b08</javax.el.version>
+        <guava.version>19.0</guava.version>
+        <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
+    </properties>
+
+</project>

spring-web-modules/spring-mvc-xml-2/src/main/java/com/baeldung/spring/ClientWebConfig.java

@@ -0,0 +1,17 @@
+package com.baeldung.spring;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportResource;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@ImportResource("classpath:webMvcConfig.xml")
+@Configuration
+@ComponentScan
+public class ClientWebConfig implements WebMvcConfigurer {
+
+    public ClientWebConfig() {
+        super();
+    }
+
+}

spring-web-modules/spring-mvc-xml-2/src/main/java/com/baeldung/spring/ClientWebConfigJava.java

@@ -6,6 +6,7 @@ import java.util.ResourceBundle;
 import org.springframework.context.MessageSource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.context.support.MessageSourceResourceBundle;
 import org.springframework.context.support.ResourceBundleMessageSource;
 import org.springframework.validation.beanvalidation.MethodValidationPostProcessor;
@@ -54,7 +55,7 @@ public class ClientWebConfigJava implements WebMvcConfigurer {
 
         return bean;
     }
-    
+
     @Bean
     public MethodValidationPostProcessor methodValidationPostProcessor() {
         return new MethodValidationPostProcessor();

spring-web-modules/spring-mvc-xml-2/src/main/java/com/baeldung/spring/nomapping/GreetingController.java

@@ -0,0 +1,16 @@
+package com.baeldung.spring.nomapping;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+@Controller
+public class GreetingController {
+
+    @RequestMapping(value = "/greeting", method = RequestMethod.GET)
+    public String get(ModelMap model) {
+        model.addAttribute("message", "Hello, World!");
+        return "greeting";
+    }
+}

spring-web-modules/spring-mvc-xml-2/src/main/java/com/baeldung/spring/paramsvalidation/RequestAndPathVariableValidationController.java

@@ -1,12 +1,17 @@
-package com.baeldung.spring.controller;
+package com.baeldung.spring.paramsvalidation;
 
-import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.validation.annotation.Validated;
-import javax.validation.constraints.*;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Pattern;
+import javax.validation.constraints.Size;
 
 @Controller
 @RequestMapping("/public/api/1")

spring-web-modules/spring-mvc-xml-2/src/main/java/com/baeldung/spring/taglibrary/Person.java

@@ -1,4 +1,4 @@
-package com.baeldung.spring.form;
+package com.baeldung.spring.taglibrary;
 
 import java.util.List;
 

spring-web-modules/spring-mvc-xml-2/src/main/java/com/baeldung/spring/taglibrary/PersonController.java

@@ -1,14 +1,5 @@
-package com.baeldung.spring.controller;
+package com.baeldung.spring.taglibrary;
 
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.validation.Valid;
-
-import com.baeldung.spring.form.Person;
-import com.baeldung.spring.validator.PersonValidator;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -19,6 +10,12 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.servlet.ModelAndView;
 
+import javax.validation.Valid;
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
 @Controller
 public class PersonController {
 

spring-web-modules/spring-mvc-xml-2/src/main/java/com/baeldung/spring/taglibrary/PersonValidator.java

@@ -1,6 +1,5 @@
-package com.baeldung.spring.validator;
+package com.baeldung.spring.taglibrary;
 
-import com.baeldung.spring.form.Person;
 import org.springframework.stereotype.Component;
 import org.springframework.validation.Errors;
 import org.springframework.validation.ValidationUtils;

spring-web-modules/spring-mvc-xml-2/src/main/resources/logback.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <logger name="org.springframework" level="WARN" />
+    <logger name="org.springframework.transaction" level="WARN" />
+
+    <!-- in order to debug some marshalling issues, this needs to be TRACE -->
+    <logger name="org.springframework.web.servlet.mvc" level="WARN" />
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

spring-web-modules/spring-mvc-xml-2/src/main/resources/messages.properties

@@ -0,0 +1,3 @@
+required.name = Name is required!
+NotEmpty.person.password = Password is required!
+

spring-web-modules/spring-mvc-xml-2/src/main/resources/webMvcConfig.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
+    xmlns:mvc="http://www.springframework.org/schema/mvc"
+    xsi:schemaLocation="
+        http://www.springframework.org/schema/beans
+        http://www.springframework.org/schema/beans/spring-beans.xsd
+        http://www.springframework.org/schema/context
+        http://www.springframework.org/schema/context/spring-context.xsd
+        http://www.springframework.org/schema/mvc
+        http://www.springframework.org/schema/mvc/spring-mvc.xsd"
+>
+
+    <mvc:annotation-driven>
+        <mvc:message-converters>
+            <bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter">
+                <property name="supportedMediaTypes">
+                    <list>
+                        <value>image/jpeg</value>
+                        <value>image/png</value>
+                    </list>
+                </property>
+            </bean>
+        </mvc:message-converters>
+    </mvc:annotation-driven>
+
+    <context:component-scan base-package="com.baeldung.spring"/>
+
+    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+        <property name="prefix" value="/WEB-INF/view/"/>
+        <property name="suffix" value=".jsp"/>
+    </bean>
+
+    <mvc:view-controller path="/sample.html" view-name="sample"/>
+
+    <bean class="org.springframework.context.support.ResourceBundleMessageSource" id="messageSource">
+        <property name="basename" value="messages" />
+    </bean>
+
+    <bean id="validationProcessor" class="org.springframework.validation.beanvalidation.MethodValidationPostProcessor" />
+</beans>

spring-web-modules/spring-mvc-xml-2/src/main/webapp/WEB-INF/mvc-servlet.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
+               http://www.springframework.org/schema/mvc
+        http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
+
+
+    <context:component-scan base-package="com.baeldung.spring"/>
+
+</beans>

spring-web-modules/spring-mvc-xml-2/src/main/webapp/WEB-INF/view/greeting.jsp

@@ -0,0 +1,9 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Greeting</title>
+</head>
+    <body>
+        <h2>${message}</h2>
+    </body>
+</html>

spring-web-modules/spring-mvc-xml-2/src/main/webapp/WEB-INF/view/sample.jsp

@@ -0,0 +1,7 @@
+<html>
+<head></head>
+
+<body>
+	<h1>This is the body of the sample view</h1>
+</body>
+</html>

spring-web-modules/spring-mvc-xml-2/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
+	version="3.1"
+>
+    <display-name>Spring MVC XML Application</display-name>
+
+    <!-- Spring root -->
+    <context-param>
+        <param-name>contextClass</param-name>
+        <param-value>
+        	org.springframework.web.context.support.AnnotationConfigWebApplicationContext
+      	</param-value>
+    </context-param>
+    <context-param>
+        <param-name>contextConfigLocation</param-name>
+        <param-value>com.baeldung.spring</param-value>
+    </context-param>
+
+    <listener>
+        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
+    </listener>
+
+    <!-- Spring child -->
+    <servlet>
+        <servlet-name>mvc</servlet-name>
+        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
+        <load-on-startup>1</load-on-startup>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>mvc</servlet-name>
+        <url-pattern>/</url-pattern>
+    </servlet-mapping>
+
+    <!-- additional config -->
+    <session-config>
+        <session-timeout>10</session-timeout>
+    </session-config>
+    <welcome-file-list>
+        <welcome-file>index.jsp</welcome-file>
+    </welcome-file-list>
+
+    <error-page>
+        <location>/errors</location>
+    </error-page>
+</web-app>

spring-web-modules/spring-mvc-xml-2/src/main/webapp/index.jsp

@@ -0,0 +1,15 @@
+<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
+	pageEncoding="ISO-8859-1"%>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+"http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Spring MVC Examples</title>
+</head>
+
+<body>
+	<h1>Spring MVC Examples</h1>
+</body>
+
+</html>

spring-web-modules/spring-mvc-xml-2/src/test/java/com/baeldung/SpringContextTest.java

@@ -0,0 +1,19 @@
+package com.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+
+import com.baeldung.spring.ClientWebConfig;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = ClientWebConfig.class)
+@WebAppConfiguration
+public class SpringContextTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}

spring-web-modules/spring-mvc-xml-2/src/test/java/com/baeldung/spring/paramsvalidation/RequestAndPathVariableValidationControllerIntegrationTest.java

@@ -1,5 +1,6 @@
-package com.baeldung.spring.controller;
+package com.baeldung.spring.paramsvalidation;
 
+import com.baeldung.spring.ClientWebConfigJava;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -11,9 +12,6 @@ import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
-import com.baeldung.spring.ClientWebConfig;
-import com.baeldung.spring.ClientWebConfigJava;
-
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
@@ -35,13 +33,13 @@ public class RequestAndPathVariableValidationControllerIntegrationTest {
     @Test
     public void getNameOfDayByNumberRequestParam_whenGetWithProperRequestParam_thenReturn200() throws Exception {
         mockMvc.perform(get("/public/api/1/name-for-day").param("dayOfWeek", Integer.toString(5)))
-               .andExpect(status().isOk());
+          .andExpect(status().isOk());
     }
 
     @Test
     public void getNameOfDayByNumberRequestParam_whenGetWithRequestParamOutOfRange_thenReturn400() throws Exception {
         mockMvc.perform(get("/public/api/1/name-for-day").param("dayOfWeek", Integer.toString(15)))
-               .andExpect(status().isBadRequest());
+          .andExpect(status().isBadRequest());
     }
 
     @Test
@@ -52,7 +50,7 @@ public class RequestAndPathVariableValidationControllerIntegrationTest {
     @Test
     public void getNameOfDayByPathVariable_whenGetWithRequestParamOutOfRange_thenReturn400() throws Exception {
         mockMvc.perform(get("/public/api/1/name-for-day/{dayOfWeek}", Integer.toString(15)))
-               .andExpect(status().isBadRequest());
+          .andExpect(status().isBadRequest());
     }
 
     @Test
@@ -63,7 +61,7 @@ public class RequestAndPathVariableValidationControllerIntegrationTest {
     @Test
     public void validStringRequestParam_whenGetWithTooLongRequestParam_thenReturn400() throws Exception {
         mockMvc.perform(get("/public/api/1/valid-name").param("name", "asdfghjklqw"))
-               .andExpect(status().isBadRequest());
+          .andExpect(status().isBadRequest());
     }
 
     @Test

spring-web-modules/spring-mvc-xml/README.md

@@ -12,12 +12,10 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [Returning Image/Media Data with Spring MVC](https://www.baeldung.com/spring-mvc-image-media-data)
 - [Geolocation by IP in Java](https://www.baeldung.com/geolocation-by-ip-with-maxmind)
 - [Guide to JavaServer Pages (JSP)](https://www.baeldung.com/jsp)
-- [Exploring SpringMVC’s Form Tag Library](https://www.baeldung.com/spring-mvc-form-tags)
 - [web.xml vs Initializer with Spring](https://www.baeldung.com/spring-xml-vs-java-config)
 - [A Java Web Application Without a web.xml](https://www.baeldung.com/java-web-app-without-web-xml)
-- [Validating RequestParams and PathVariables in Spring](https://www.baeldung.com/spring-validate-requestparam-pathvariable)
-- [Debugging the Spring MVC 404 “No mapping found for HTTP request” Error](https://www.baeldung.com/spring-mvc-404-error)
 - [Introduction to Servlets and Servlet Containers](https://www.baeldung.com/java-servlets-containers-intro)
+- More articles: [[more -->]](../spring-mvc-xml-2)
 
 ## Spring MVC with XML Configuration Example Project
 

spring-web-modules/spring-mvc-xml/pom.xml

@@ -39,11 +39,6 @@
             <version>${jstl.version}</version>
             <scope>runtime</scope>
         </dependency>
-        <dependency>
-            <groupId>org.hibernate.validator</groupId>
-            <artifactId>hibernate-validator</artifactId>
-            <version>${hibernate-validator.version}</version>
-        </dependency>
         <!-- Json conversion -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>