Spring Application won't create table in MySQL/PostgreSQL
Question
I am an intern in a company and I have a task to make a blog so that a person can register and post articles, but I have not dealt with this language before and I need a little help. I starting my application and it connects fine with data source (I tried with PostgreSQL and MySQL) but tables won't be created.
2021-01-28 12:02:40.851 INFO 3964 --- [ restartedMain] com.mikov.blog.BlogApplication : Starting BlogApplication using Java 15.0.2 on DESKTOP-GCFHK8P with PID 3964 (C:\Users\xjust\Desktop\Blog\target\classes started by xjust in C:\Users\xjust\Desktop\Blog)
2021-01-28 12:02:40.851 INFO 3964 --- [ restartedMain] com.mikov.blog.BlogApplication : No active profile set, falling back to default profiles: default
2021-01-28 12:02:40.917 INFO 3964 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2021-01-28 12:02:40.917 INFO 3964 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2021-01-28 12:02:41.636 INFO 3964 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
2021-01-28 12:02:41.636 INFO 3964 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 3 ms. Found 0 JPA repository interfaces.
2021-01-28 12:02:42.150 INFO 3964 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2021-01-28 12:02:42.158 INFO 3964 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2021-01-28 12:02:42.158 INFO 3964 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.41]
2021-01-28 12:02:42.239 INFO 3964 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2021-01-28 12:02:42.239 INFO 3964 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1322 ms
2021-01-28 12:02:42.368 INFO 3964 --- [ restartedMain] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]
2021-01-28 12:02:42.405 INFO 3964 --- [ restartedMain] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.25.Final
2021-01-28 12:02:42.483 INFO 3964 --- [ restartedMain] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}
2021-01-28 12:02:42.536 INFO 3964 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2021-01-28 12:02:42.789 INFO 3964 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
2021-01-28 12:02:42.805 INFO 3964 --- [ restartedMain] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
2021-01-28 12:02:42.984 INFO 3964 --- [ restartedMain] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]
2021-01-28 12:02:42.990 INFO 3964 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2021-01-28 12:02:43.021 INFO 3964 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2021-01-28 12:02:43.068 WARN 3964 --- [ restartedMain] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
2021-01-28 12:02:43.179 INFO 3964 --- [ restartedMain] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2021-01-28 12:02:43.326 INFO 3964 --- [ restartedMain] .s.s.UserDetailsServiceAutoConfiguration :
Using generated security password: 7a6bb800-bfbb-4e4f-b97f-ab3f91ceac2d
2021-01-28 12:02:43.410 INFO 3964 --- [ restartedMain] o.s.s.web.DefaultSecurityFilterChain : Will secure any request with [org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter@576d3766, org.springframework.security.web.context.SecurityContextPersistenceFilter@b2d6f01, org.springframework.security.web.header.HeaderWriterFilter@2fb2f762, org.springframework.security.web.csrf.CsrfFilter@67459a, org.springframework.security.web.authentication.logout.LogoutFilter@6831ce52, org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter@25f444ee, org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter@604dba03, org.springframework.security.web.authentication.ui.DefaultLogoutPageGeneratingFilter@4762d3a5, org.springframework.security.web.authentication.www.BasicAuthenticationFilter@5b35e5d8, org.springframework.security.web.savedrequest.RequestCacheAwareFilter@5f2a8206, org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter@4f2ee756, org.springframework.security.web.authentication.AnonymousAuthenticationFilter@330df5b4, org.springframework.security.web.session.SessionManagementFilter@1565b1d6, org.springframework.security.web.access.ExceptionTranslationFilter@7d11d81, org.springframework.security.web.access.intercept.FilterSecurityInterceptor@45812c0b]
2021-01-28 12:02:43.472 INFO 3964 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''
2021-01-28 12:02:43.495 INFO 3964 --- [ restartedMain] com.mikov.blog.BlogApplication : Started BlogApplication in 3.05 seconds (JVM running for 3.923)
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>2.4.1</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.mikov</groupId>
<artifactId>blog</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>blog</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>15</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity5</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.23</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
My Application :
@SpringBootApplication
public class BlogApplication {
public static void main(String[] args) {
SpringApplication.run(BlogApplication.class, args);
}
}
Controller :
@Controller
public class UserController {
@Autowired
RoleRepository roleRepository;
@Autowired
UserRepository userRepository;
@GetMapping("/register")
public String register(Model model){
model.addAttribute("view","user/register");
return "base-layout";
}
}
Application.properties :
spring.datasource.url = jdbc:mysql://localhost:3306/javablog
spring.datasource.username =root
spring.datasource.password =password
spring.jpa.show-sql = true
spring.jpa.hibernate.ddl-auto = create
spring.jpa.hibernate.naming.implicit-strategy=org.hibernate.boot.model.naming.ImplicitNamingStrategyLegacyHbmImpl
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
spring.thymeleaf.cache = false
2 answers
solution1
0 2021-01-28 10:58:23
Add necessary annotations in the models User and Role .
@Entity , @Table and @Id .
solution2
0 2021-01-28 11:06:49
import javax.persistence.*;
import java.util.HashSet;
import java.util.Set;
@Entity
@Table(name = "users")
public class User {
private Integer id;
private String email;
private String fullName;
private String password;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
@Column(name = "email", unique = true, nullable = false)
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Column(name = "fullName", nullable = false)
public String getFullName() {
return fullName;
}
public void setFullName(String fullName) {
this.fullName = fullName;
}
@Column(name = "password", length = 60, nullable = false)
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public User(String email, String fullName, String password) {
this.email = email;
this.password = password;
this.fullName = fullName;
this.roles = new HashSet<>();
}
public User() {
}
private Set<Role> roles;
@ManyToMany(fetch = FetchType.EAGER)
@JoinTable(name = "users_roles")
public Set<Role> getRoles() {
return roles;
}
public void setRoles(Set<Role> roles) {
this.roles = roles;enter code here
}
}
package softuniBlog.entity;
import javax.persistence.*;
import java.util.HashSet;
import java.util.Set;
@Entity
@Table(name = "roles")
public class Role {
private Integer id;
private String name;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
@Column(name = "name", nullable = false)
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
private Set<User> users;
@ManyToMany(mappedBy = "roles")
public Set<User> getUsers() {
return users;
}
public void setUsers(Set<User> users) {
this.users = users;
}
public Role() {
this.users = new HashSet<>();
}
}
I already use them
Here is image about how PostgreSQL works with it. enter image description here
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