BAEL-6110: Fix Spring Data JPA Exception: No Property Found for Type (#13753)

This commit is contained in:
Azhwani 2023-04-16 18:32:18 +02:00 committed by GitHub
parent 8b674cd074
commit 737430655c
9 changed files with 136 additions and 1 deletions

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@ -34,6 +34,10 @@
<artifactId>mysql-connector-java</artifactId> <artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope> <scope>runtime</scope>
</dependency> </dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
<dependency> <dependency>
<groupId>org.springframework.boot</groupId> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId> <artifactId>spring-boot-starter-test</artifactId>

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@ -0,0 +1,13 @@
package com.baeldung.nopropertyfound;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class NoPropertyFoundApplication {
public static void main(String[] args) {
SpringApplication.run(NoPropertyFoundApplication.class, args);
}
}

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@ -0,0 +1,20 @@
package com.baeldung.nopropertyfound.config;
import javax.sql.DataSource;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class DbConfig {
@Bean
@ConfigurationProperties(prefix = "h2.datasource")
public DataSource dataSource() {
return DataSourceBuilder.create()
.build();
}
}

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@ -0,0 +1,41 @@
package com.baeldung.nopropertyfound.model;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity
public class Person {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
private String firstName;
private String lastName;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
}

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@ -0,0 +1,15 @@
package com.baeldung.nopropertyfound.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import com.baeldung.nopropertyfound.model.Person;
@Repository
public interface PersonRepository extends JpaRepository<Person, Integer> {
// findByFirsttName will cause Spring Data to throw PropertyReferenceException
// Person findByFirsttName(String firstName);
Person findByFirstName(String firstName);
}

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@ -5,3 +5,8 @@ spring.datasource.password=root
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.hibernate.ddl-auto=none spring.jpa.hibernate.ddl-auto=none
spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false
h2.datasource.url=jdbc:h2:mem:testdb
h2.datasource.driver-class-name=org.h2.Driver
h2.datasource.username=sa
h2.datasource.password=

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@ -0,0 +1,3 @@
INSERT INTO person (first_name, last_name) VALUES('Azhrioun', 'Abderrahim');
INSERT INTO person (first_name, last_name) VALUES('Brian', 'Wheeler');
INSERT INTO person (first_name, last_name) VALUES('Dave', 'Anderson');

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@ -0,0 +1,6 @@
DROP TABLE IF EXISTS person;
CREATE TABLE person(
id INT AUTO_INCREMENT PRIMARY KEY,
first_name VARCHAR(200),
last_name VARCHAR(200)
)

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@ -0,0 +1,28 @@
package com.baeldung.nopropertyfound;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import com.baeldung.nopropertyfound.model.Person;
import com.baeldung.nopropertyfound.repository.PersonRepository;
@DataJpaTest
class PersonRepositoryIntegrationTest {
@Autowired
private PersonRepository personRepository;
@Test
void givenQueryMethod_whenUsingValidProperty_thenCorrect() {
Person person = personRepository.findByFirstName("Azhrioun");
assertNotNull(person);
assertEquals("Abderrahim", person.getLastName());
}
}