弹簧靴&x2B;Spring数据JPA+;事务不能正常工作
我使用1.2.0版本创建了一个SpringBoot应用程序,SpringBootStarter数据为jpa,我使用的是MySQL。 我已经在application.properties文件中正确配置了MySQL属性 我有一个简单的JPA实体、Spring数据JPA存储库和一个服务,如下所示:弹簧靴&x2B;Spring数据JPA+;事务不能正常工作,spring,jpa,spring-boot,spring-data-jpa,Spring,Jpa,Spring Boot,Spring Data Jpa,我使用1.2.0版本创建了一个SpringBoot应用程序,SpringBootStarter数据为jpa,我使用的是MySQL。 我已经在application.properties文件中正确配置了MySQL属性 我有一个简单的JPA实体、Spring数据JPA存储库和一个服务,如下所示: @Entity class Person { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Integer id;
@Entity
class Person
{
@Id @GeneratedValue(strategy=GenerationType.AUTO)
private Integer id;
private String name;
//setters & getters
}
@Repository
public interface PersonRepository extends JpaRepository<Person, Integer>{
}
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
@Transactional
class PersonService
{
@Autowired PersonRepository personRepository;
@Transactional
void save(List<Person> persons){
for (Person person : persons) {
if("xxx".equals(person.getName())){
throw new RuntimeException("boooom!!!");
}
personRepository.save(person);
}
}
}
然后我得到了javax.persistence.TransactionRequiredException:没有可用的事务EntityManager异常
在谷歌搜索了一段时间后,我遇到了这个关于同一主题的JIRA帖子
然后我将Spring启动版本更新为1.1.2,以使Spring版本早于4.0.6
然后em.save(person)按预期工作,事务工作正常(意味着在发生RuntimeException时回滚所有db插入)
但是,即使使用Spring4.0.5+SpringData JPA1.6.0版本,当使用personRepository.save(person)而不是em.persist(person)时,事务也不起作用
SpringDataJPA存储库似乎正在提交事务
我错过了什么?如何使服务级别@事务性注释起作用
附言:
Maven 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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.sivalabs</groupId>
<artifactId>springboot-data-jpa</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>springboot-data-jpa</name>
<description>Spring Boot Hello World</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.2.0.RELEASE</version>
<relativePath />
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<start-class>com.sivalabs.springboot.Application</start-class>
<java.version>1.7</java.version>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</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-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
</dependencies>
</project>
将事务注释更改为
@事务性的(rollboor=Exception.class)我用SpringBoot v1.2.0和v1.5.2测试了这一点,并且一切正常,您也不需要使用实体管理器@Transactional(rollboor=Exception.class) 我看不出您对哪个部分进行了错误配置,乍一看一切都很好,所以我只是将我所有的配置作为参考发布,并添加了更多更新的注释和H2嵌入式内存数据库: 应用程序属性
# Embedded memory database
spring.jpa.hibernate.ddl-auto=create
spring.datasource.url=jdbc:h2:~/test;AUTO_SERVER=TRUE
pom.xml
<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.demo</groupId>
<artifactId>jpaDemo</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.2.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
</dependencies>
</project>
PersonRepository.java
@EnableAutoConfiguration
@Configuration
@ComponentScan
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
@Entity
public class Person
{
@Id
@GeneratedValue(strategy= GenerationType.AUTO)
private Integer id;
private String name;
public Person() {}
public Person(String name) {this.name = name;}
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
public String getName() {return name;}
public void setName(String name) {this.name = name;}
}
@Repository
public interface PersonRepository extends JpaRepository<Person, Integer> {}
@Service
public class PersonService
{
@Autowired
PersonRepository personRepository;
@Transactional
public void saveTransactional(List<Person> persons){
savePersons(persons);
}
public void saveNonTransactional(List<Person> persons){
savePersons(persons);
}
private void savePersons(List<Person> persons){
for (Person person : persons) {
if("xxx".equals(person.getName())){
throw new RuntimeException("boooom!!!");
}
personRepository.save(person);
}
}
}
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
@RunWith(SpringRunner.class)
@SpringBootTest
public class PersonServiceTest {
@Autowired
PersonService personService;
@Autowired
PersonRepository personRepository;
@Test
public void person_table_size_1() {
List<Person> persons = getPersons();
try {personService.saveNonTransactional(persons);}
catch (RuntimeException e) {}
List<Person> personsOnDB = personRepository.findAll();
assertEquals(1, personsOnDB.size());
}
@Test
public void person_table_size_0() {
List<Person> persons = getPersons();
try {personService.saveTransactional(persons);}
catch (RuntimeException e) {}
List<Person> personsOnDB = personRepository.findAll();
assertEquals(0, personsOnDB.size());
}
public List<Person> getPersons(){
List<Person> persons = new ArrayList() {{
add(new Person("aaa"));
add(new Person("xxx"));
add(new Person("sss"));
}};
return persons;
}
}
PersonServiceTest.java
@EnableAutoConfiguration
@Configuration
@ComponentScan
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
@Entity
public class Person
{
@Id
@GeneratedValue(strategy= GenerationType.AUTO)
private Integer id;
private String name;
public Person() {}
public Person(String name) {this.name = name;}
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
public String getName() {return name;}
public void setName(String name) {this.name = name;}
}
@Repository
public interface PersonRepository extends JpaRepository<Person, Integer> {}
@Service
public class PersonService
{
@Autowired
PersonRepository personRepository;
@Transactional
public void saveTransactional(List<Person> persons){
savePersons(persons);
}
public void saveNonTransactional(List<Person> persons){
savePersons(persons);
}
private void savePersons(List<Person> persons){
for (Person person : persons) {
if("xxx".equals(person.getName())){
throw new RuntimeException("boooom!!!");
}
personRepository.save(person);
}
}
}
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
@RunWith(SpringRunner.class)
@SpringBootTest
public class PersonServiceTest {
@Autowired
PersonService personService;
@Autowired
PersonRepository personRepository;
@Test
public void person_table_size_1() {
List<Person> persons = getPersons();
try {personService.saveNonTransactional(persons);}
catch (RuntimeException e) {}
List<Person> personsOnDB = personRepository.findAll();
assertEquals(1, personsOnDB.size());
}
@Test
public void person_table_size_0() {
List<Person> persons = getPersons();
try {personService.saveTransactional(persons);}
catch (RuntimeException e) {}
List<Person> personsOnDB = personRepository.findAll();
assertEquals(0, personsOnDB.size());
}
public List<Person> getPersons(){
List<Person> persons = new ArrayList() {{
add(new Person("aaa"));
add(new Person("xxx"));
add(new Person("sss"));
}};
return persons;
}
}
@RunWith(SpringRunner.class)
@春靴测试
公共类PersonService测试{
@自动连线
人情服务人情服务;
@自动连线
个人知识库;
@试验
公共空间人员表大小1(){
List persons=getPersons();
试试{personService.SaveNoTransactional(persons);}
catch(运行时异常e){}
List personsOnDB=personRepository.findAll();
资产质量(1,personsOnDB.size());
}
@试验
公共作废人员表大小0(){
List persons=getPersons();
请尝试{personService.saveTransactional(persons);}
catch(运行时异常e){}
List personsOnDB=personRepository.findAll();
assertEquals(0,personsOnDB.size());
}
公众人士名单{
列表人员=新建ArrayList(){{
增加(新人员(“aaa”);
添加(新人员(“xxx”);
添加(新人员(“sss”);
}};
返回人员;
}
}
*每次测试都会清除并重新初始化数据库,以便我们始终根据@m-deinum的已知状态进行验证:
使您的PersonService公开
以及您正在调用的方法
这似乎对一些用户起到了作用。同样的事情也包括在本文中,引用:
使用代理时,应应用@Transactional注释
仅适用于具有公共可见性的方法。如果您确实注释了protected,
带有@Transactional注释的私有或包可见方法,
不会引发错误,但带注释的方法不会显示
已配置事务设置。考虑AspectJ的使用(参见
下面)如果需要注释非公共方法
发布您的应用程序类和maven pom。您正在使用的Spring引导版本应该使用Spring 4.1.x,而不是旧版本,如果有其他版本,您的列表中可能有一些奇怪的依赖项。添加了pom.xml和Application.javaMake您的
PersonService
以及您正在调用的方法。非常感谢Deinum。把它们公之于众确实起了作用。花了几个小时拔我的头发:-(请把它作为答案,我将接受。顺便说一句,如何处理javax.persistence.TransactionRequiredException:没有事务EntityManager可用的异常?这是默认的Spring行为,不需要显式指定。我面临同样的问题。所以我保留了我的异常类,它解决了如果选中了异常,那么我们需要显式指定。如果它是未经检查的异常,如RuntimeException或它的任何子类,然后spring将自动回滚事务。在我使用spring自动配置的EntityManagerFactory
开发时,将@Transactional
添加到存储库以前是不必要的,但现在我已改为创建自己的,这是一个错误旋转是必要的