I have a database in mysql called newdb, inside that database there are 2 tables, Track and User.
When I run my springboot application, it creates 2 new tables called track and user and the application uses those tables instead of the 2 tables already in it.
I want it to stop creating and using the tables and use the 2 preexisting tables in the database.
Im not sure what is causing it to create these tables
Here is the Model classes of both tables
Track.java
package net.codejava.song.model;
import org.hibernate.annotations.NaturalId;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
import java.sql.Timestamp;
import java.time.LocalDateTime;
@Entity
@Table(name = "Track")
public class Track {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@Column(name = "isrc", unique = true, nullable = false, length = 20)
private String isrc;
@Column(name = "name", nullable = false, length = 100)
private String name;
@Column(name = "duration_ms", nullable = false)
private Long durationMs;
@Column(name = "explicit", nullable = false)
private Boolean explicit;
@Column(name = "created_at", nullable = false, updatable = false, columnDefinition = "TIMESTAMP DEFAULT CURRENT_TIMESTAMP")
private LocalDateTime createdAt;
public String getIsrc() {
return isrc;
}
public void setIsrc(String isrc) {
this.isrc = isrc;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Long getDurationMs() {
return durationMs;
}
public void setDurationMs(Long durationMs) {
this.durationMs = durationMs;
}
public Boolean getExplicit() {
return explicit;
}
public void setExplicit(Boolean explicit) {
this.explicit = explicit;
}
// default constructor for JPA
public Track() {
this.createdAt = LocalDateTime.now();
}
// constructor with arguments
public Track(String isrc, String name, Long durationMs, Boolean explicit) {
this.isrc = isrc;
this.name = name;
this.durationMs = durationMs;
this.explicit = explicit;
}
}
User.java
@Entity
@Table(name = "User")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@Column(name = "username", unique = true, nullable = false, length = 50)
private String username;
@Column(name = "password", nullable = false, length = 255)
private String password;
// default constructor for JPA
protected User() {}
// constructor with arguments
public User(String username, String password) {
this.username = username;
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
// getters and setters
}
here is my application.properties file
application.properties
spring.datasource.url=jdbc:mysql://localhost:3306/newdb
spring.datasource.username=root
spring.datasource.password=password
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
# JPA properties
spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto=update
here is my pom.xml
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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.0.5</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>net.codejava.song</groupId>
<artifactId>RestAPI-MetaData</artifactId>
<version>1.0</version>
<name>RestAPI-MetaData</name>
<description>A REST-API for storing metadata of music tracks to a Relational Database, fetching the metadata from a mock endpoint.</description>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.httpcomponents.client5</groupId>
<artifactId>httpclient5</artifactId>
<version>5.1.3</version>
</dependency>
<dependency>
<groupId>org.mock-server</groupId>
<artifactId>mockserver-netty</artifactId>
<version>3.10.8</version>
</dependency>
<dependency>
<groupId>org.mock-server</groupId>
<artifactId>mockserver-client-java</artifactId>
<version>3.10.8</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>3.0.4</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.github.tomakehurst</groupId>
<artifactId>wiremock-jre8</artifactId>
<version>2.27.2</version>
<scope>test</scope>
</dependency>
<!-- Spring dependencies -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<!-- MySQL dependency -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.32</version>
</dependency>
<!-- JSON Web Token (JWT) dependency -->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-api</artifactId>
<version>0.11.5</version>
</dependency>
<!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt-impl -->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-impl</artifactId>
<version>0.11.5</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-jackson</artifactId>
<version>0.11.5</version>
<scope>runtime</scope>
</dependency>
<!-- Lombok dependency -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.26</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
output of logs of table being created
Hibernate: drop table if exists track
Hibernate: drop table if exists user
Hibernate: create table track (id integer not null auto_increment, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP not null, duration_ms bigint not null, explicit bit not null, isrc varchar(20) not null, name varchar(100) not null, primary key (id)) engine=InnoDB
Hibernate: create table user (id integer not null auto_increment, password varchar(255) not null, username varchar(50) not null, primary key (id)) engine=InnoDB
Hibernate: alter table track add constraint UK_eeljh0fjup9osa3cp6h9wqtgv unique (isrc)
Hibernate: alter table user add constraint UK_sb8bbouer5wak8vyiiy4pf2bx unique (username)
