Spring boot クラスパスリソースで定義された 'entityManagerFactory'という名前のBeanの作成エラー：initメソッドの呼び出しに失敗しました

前提・実現したいこと

Modelクラスに@Entityを追加したところ、

クラスパスリソースで定義された 'entityManagerFactory'という名前のBeanの作成エラー：initメソッドの呼び出しに失敗しました

というメッセージが表示されました。
こちらの解決方法をご存じの方はいらっしゃいますでしょうか。

発生している問題・エラーメッセージ

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.AnnotationException: No identifier specified for entity: com.example.demo.domain.model.Product

Caused by: org.hibernate.AnnotationException: No identifier specified for entity: com.example.demo.domain.model.Product

該当のソースコード

Model
1package com.example.demo.domain.model;
2
3import javax.persistence.Column;
4import javax.persistence.Entity;
5import javax.persistence.Id;
6import javax.persistence.Table;
7
8import lombok.Data;
9
10@Entity
11@Data
12@Table(name = "product")
13public class Product {
14
15	@Id
16	@Column(name = "productCode")
17	private String productCode; //商品コード
18
19	@Column(name = "productName")
20	private String productName; //商品名
21
22	private int price; //価格
23}
24

xml
1<?xml version="1.0" encoding="UTF-8"?>
2<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
3	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
4	<modelVersion>4.0.0</modelVersion>
5		<parent>
6		<groupId>org.springframework.boot</groupId>
7		<artifactId>spring-boot-starter-parent</artifactId>
8		<version>2.2.7.RELEASE</version>
9		<relativePath/> <!-- lookup parent from repository -->
10	</parent>
11	<groupId>com.example</groupId>
12	<artifactId>SpringSample</artifactId>
13	<version>0.0.1-SNAPSHOT</version>
14	<name>SpringSample</name>
15	<description>Demo project for Spring Boot</description>
16
17	<properties>
18		<java.version>1.8</java.version>
19	</properties>
20
21	<dependencies>
22	<dependency>
23 <groupId>org.springframework.boot</groupId>
24 <artifactId>spring-boot-starter-data-jpa</artifactId>
25</dependency>
26		<dependency>
27			<groupId>org.springframework.boot</groupId>
28			<artifactId>spring-boot-starter-data-jdbc</artifactId>
29		</dependency>
30		<dependency>
31			<groupId>org.springframework.boot</groupId>
32			<artifactId>spring-boot-starter-jdbc</artifactId>
33		</dependency>
34		<dependency>
35			<groupId>org.springframework.boot</groupId>
36			<artifactId>spring-boot-starter-jersey</artifactId>
37		</dependency>
38		<dependency>
39			<groupId>org.springframework.boot</groupId>
40			<artifactId>spring-boot-starter-thymeleaf</artifactId>
41		</dependency>
42		<dependency>
43			<groupId>org.springframework.boot</groupId>
44			<artifactId>spring-boot-starter-web</artifactId>
45		</dependency>
46		<dependency>
47			<groupId>org.springframework.boot</groupId>
48			<artifactId>spring-boot-starter-web-services</artifactId>
49		</dependency>
50		<dependency>
51			<groupId>org.springframework.boot</groupId>
52			<artifactId>spring-boot-starter-webflux</artifactId>
53		</dependency>
54		<dependency>
55			<groupId>org.springframework.boot</groupId>
56			<artifactId>spring-boot-starter-websocket</artifactId>
57		</dependency>
58		<dependency>
59			<groupId>org.springframework.boot</groupId>
60			<artifactId>spring-boot-devtools</artifactId>
61			<scope>runtime</scope>
62			<optional>true</optional>
63		</dependency>
64		<dependency>
65			<groupId>com.h2database</groupId>
66			<artifactId>h2</artifactId>
67			<scope>runtime</scope>
68		</dependency>
69		<dependency>
70			<groupId>org.projectlombok</groupId>
71			<artifactId>lombok</artifactId>
72			<optional>true</optional>
73		</dependency>
74		<dependency>
75			<groupId>org.springframework.boot</groupId>
76			<artifactId>spring-boot-starter-test</artifactId>
77			<scope>test</scope>
78			<exclusions>
79				<exclusion>
80					<groupId>org.junit.vintage</groupId>
81					<artifactId>junit-vintage-engine</artifactId>
82				</exclusion>
83			</exclusions>
84		</dependency>
85		<dependency>
86			<groupId>io.projectreactor</groupId>
87			<artifactId>reactor-test</artifactId>
88			<scope>test</scope>
89		</dependency>
90
91		<!-- webjars:JQuery -->
92		<dependency>
93			<groupId>org.webjars</groupId>
94			<artifactId>jquery</artifactId>
95			<version>1.11.1</version>
96		</dependency>
97		<!-- webjars:Bootstrap -->
98		<dependency>
99			<groupId>org.webjars</groupId>
100			<artifactId>bootstrap</artifactId>
101			<version>3.3.7-1</version>
102		</dependency>
103	</dependencies>
104
105	<dependencyManagement>
106		<dependencies>
107
108		</dependencies>
109	</dependencyManagement>
110
111	<build>
112		<plugins>
113			<plugin>
114				<groupId>org.springframework.boot</groupId>
115				<artifactId>spring-boot-maven-plugin</artifactId>
116			</plugin>
117		</plugins>
118	</build>
119
120</project>
121