Servlet.init() для сервлета [dispatcher] выбросил исключение. Spring Framework + Hibernate
У меня появилась небольшая проблема, я решил создать небольшое CRUD приложение и в качестве работы с БД я выбрал изначально Jdbctemplate, все работало замечательно, но я решил попробовать использовать Hibernate. И, к сожалению, я не могу понять, почему Spring выдает такую ошибку:
Type Exception Report
Message Servlet.init() для сервлета [dispatcher] выбросил исключение
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
javax.servlet.ServletException: Servlet.init() для сервлета [dispatcher] выбросил исключение
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.base/java.lang.Thread.run(Thread.java:833)
Root Cause
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'coffeeMachineController' defined in file [C:\Users\Atomi\OneDrive\Рабочий стол\lab4_hibernate\target\lab4_hibernate\WEB-INF\classes\ru\controllers\CoffeeMachineController.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'coffeeMachineService' defined in file [C:\Users\Atomi\OneDrive\Рабочий стол\lab4_hibernate\target\lab4_hibernate\WEB-INF\classes\ru\service\CoffeeMachineService.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'ru.repository.coffeeMachineRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800)
org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:229)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1222)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953)
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)
org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:702)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:578)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:530)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:170)
javax.servlet.GenericServlet.init(GenericServlet.java:158)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.base/java.lang.Thread.run(Thread.java:833)
Но, как я понимаю, Servlet выбросил исключение из-за того, что он не может найти бины, но я даже не знаю, вроде бы я все указал, даже не знаю, если кто-нибудь знает, в чём может проблема, я был бы очень благодарен тому человеку, коорый бы смог указать на мою ошибку. pom.xml
<?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>
<groupId>org.example</groupId>
<artifactId>lab4_hibernate</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>lab4_hibernate Maven Webapp</name>
<!-- FIXME change it to the project's website -->
<url>http://www.example.com</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>5.3.14</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.3.14</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>5.3.14</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.14</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.3.14</version>
</dependency>
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring5</artifactId>
<version>3.0.14.RELEASE</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.hibernate.validator</groupId>
<artifactId>hibernate-validator</artifactId>
<version>6.2.1.Final</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>2.5.5</version>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.2.24</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.6.5.Final</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-catalina</artifactId>
<version>10.1.0-M10</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>5.2.3.Final</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>5.3.22</version>
</dependency>
</dependencies>
<build>
<finalName>lab4_hibernate</finalName>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.2</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
application.properties:
dataSource.driverClassName =org.postgresql.Driver
jpa.database=POSTGRESQL
dataSource.url=jdbc:postgresql://localhost:5432/postgres
dataSource.username=postgres
dataSource.password=Ca57wlzq
hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
hibernate.show_sql=true
SpringConfig:
@Configuration
@ComponentScan("ru")
@PropertySource("classpath:application.properties")
@EnableWebMvc
public class SpringConfig implements WebMvcConfigurer {
private final ApplicationContext applicationContext;
@Autowired
public SpringConfig(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
@Bean
public SpringResourceTemplateResolver templateResolver() {
SpringResourceTemplateResolver templateResolver = new SpringResourceTemplateResolver();
templateResolver.setApplicationContext(applicationContext);
templateResolver.setPrefix("/WEB-INF/views/");
templateResolver.setSuffix(".html");
return templateResolver;
}
@Bean
public SpringTemplateEngine templateEngine() {
SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver());
templateEngine.setEnableSpringELCompiler(true);
return templateEngine;
}
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
ThymeleafViewResolver resolver = new ThymeleafViewResolver();
resolver.setTemplateEngine(templateEngine());
registry.viewResolver(resolver);
}
}
DispatcherInit
package ru.config;
import org.springframework.web.filter.HiddenHttpMethodFilter;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
public class DispatcherInit extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class<?>[] getRootConfigClasses() {
return null;
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class[]{SpringConfig.class};
}
@Override
protected String[] getServletMappings() {
return new String[]{"/"};
}
@Override
public void onStartup(ServletContext aServletContext) throws ServletException {
super.onStartup(aServletContext);
registerHiddenFieldFilter(aServletContext);
}
private void registerHiddenFieldFilter(ServletContext aContext) {
aContext.addFilter("hiddenHttpMethodFilter",
new HiddenHttpMethodFilter()).addMappingForUrlPatterns(null ,true, "/*");
}
}
Контроллер:
@Controller
@RequestMapping("/coffeeMachine")
public class CoffeeMachineController {
private final CoffeeMachineService service;
@Autowired
public CoffeeMachineController(CoffeeMachineService service) {
this.service = service;
}
@GetMapping()
public String main(){
return "coffeeMachine/main";
}
@GetMapping("/index")
public String index(Model model) {
List<CoffeeMachine> coffeeMachineList = service.listAll();
model.addAttribute("coffeeMachine", coffeeMachineList);
return "coffeeMachine/index";
}
}
Модель(сущность):
package ru.models;
import javax.persistence.*;
import javax.validation.constraints.NotEmpty;
@Entity
@Table(name = "coffeemachine4")
public class CoffeeMachine {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(name = "nameofthedrink")
@NotEmpty(message = "Name of the drink should not be empty")
private String nameOfTheDrink;
@Column(name = "sortofcoffee")
@NotEmpty(message = "sort of coffee should not be empty")
private String sortOfCoffee;
@Column(name = "kindofmilk")
private String kindOfMilk;
@Column(name = "amountofdrink")
private Double amountOfDrink;
@Column(name = "amountofcoffee")
private Integer amountOfCoffee;
public CoffeeMachine() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getNameOfTheDrink() {
return nameOfTheDrink;
}
public void setNameOfTheDrink(String nameOfTheDrink) {
this.nameOfTheDrink = nameOfTheDrink;
}
public String getSortOfCoffee() {
return sortOfCoffee;
}
public void setSortOfCoffee(String sortOfCoffee) {
this.sortOfCoffee = sortOfCoffee;
}
public String getKindOfMilk() {
return kindOfMilk;
}
public void setKindOfMilk(String kindOfMilk) {
this.kindOfMilk = kindOfMilk;
}
public Double getAmountOfDrink() {
return amountOfDrink;
}
public void setAmountOfDrink(Double amountOfDrink) {
this.amountOfDrink = amountOfDrink;
}
public Integer getAmountOfCoffee() {
return amountOfCoffee;
}
public void setAmountOfCoffee(Integer amountOfCoffee) {
this.amountOfCoffee = amountOfCoffee;
}
}
Репозиторий:
package ru.repository;
import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;
import ru.models.CoffeeMachine;
@Repository
public interface coffeeMachineRepository extends CrudRepository<CoffeeMachine, Long> {
}
И наконец, сервис:
package ru.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import ru.models.CoffeeMachine;
import ru.repository.coffeeMachineRepository;
import java.util.List;
@Service
public class CoffeeMachineService {
final
coffeeMachineRepository coffeeMachineRepository;
@Autowired
public CoffeeMachineService(coffeeMachineRepository coffeeMachineRepository) {
this.coffeeMachineRepository = coffeeMachineRepository;
}
public List<CoffeeMachine> listAll() {
return (List<CoffeeMachine>) coffeeMachineRepository.findAll();
}
}