tomcat연결이 안되는데 이유를 모르겠습니다

0

build.gradle

plugins {
   id 'org.springframework.boot' version '2.4.5'
   id 'io.spring.dependency-management' version '1.0.11.RELEASE'
   id 'java'
}

group = 'jpaTest'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '11'

configurations {
   compileOnly {
      extendsFrom annotationProcessor
   }
}

repositories {
   mavenCentral()
}

dependencies {
   implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
   implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
   implementation 'org.springframework.boot:spring-boot-starter-web'
   compileOnly 'org.projectlombok:lombok'
   runtimeOnly 'org.mariadb.jdbc:mariadb-java-client'
   runtimeOnly 'com.h2database:h2'
   annotationProcessor 'org.projectlombok:lombok'
   testImplementation 'org.springframework.boot:spring-boot-starter-test'
   testImplementation 'org.junit.jupiter:junit-jupiter-api:5.1.0'
   testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.1.0'
   testImplementation 'org.junit.jupiter:junit-jupiter-api:5.1.0'
   testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.1.0'
   testCompileOnly 'junit:junit:4.12'
   testRuntimeOnly 'org.junit.vintage:junit-vintage-engine:5.1.0'
}

test {
   useJUnitPlatform()
}

application.yml

spring:
  h2:
    console:
      enabled: true 
      path: /h2-console
  datasource:
      driver-class-name: org.h2.Driver 
      url: jdbc:h2:mem:testdb
      username: sa
      password:

  jpa:
    open-in-view: false
    hibernate:
      ddl-auto: create

    properties:
      hibernate:
        show_sql: true
        format_sql: true

logging:
  level:
    org.hibernate.SQL: debug

ItemRepository

@Repository
@RequiredArgsConstructor
public class ItemRepository {

    private final EntityManager em;
    //private final Item item;

    public void save(Item item) {
        if(item.getId() == null) {
            em.persist(item);
        } else{
            em.merge(item);
        }
    }
    public Item findOne(Long id) {
        return em.find(Item.class, id);
    }

    public List<Item> findAll() {
        return em.createQuery("select i from Item i", Item.class)
                .getResultList();
    }
}