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我試圖使用Neo4j構建一個JSF WebApplication作爲無SQL數據庫。我想通過Hibernate訪問Neo4j。休眠OGM Neo4j - 無法訪問TransactionManager
我的依賴是
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.hibernate.ogm</groupId>
<artifactId>hibernate-ogm-bom</artifactId>
<version>5.0.1.Final</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.hibernate.ogm</groupId>
<artifactId>hibernate-ogm-neo4j</artifactId>
</dependency>
我的實體如下所示
@Entity
public class Person implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(generator = "uuid")
@GenericGenerator(name = "uuid", strategy = "uuid2")
private String id;
private String name;
private Double age;
@OneToMany(fetch = FetchType.EAGER, mappedBy = "owner", cascade = CascadeType.PERSIST)
private Set<Car> cars = new HashSet<>();
...
我將它們保存在下面的類
@Stateless
public class StorageManager {
@PersistenceContext(unitName = "neo4j")
private EntityManager em;
public void savePerson(Person p) {
em.persist(p);
}
public void saveCar(Car c){
em.persist(c);
}
public void save(String personName, Double personAge, String carName) {
Person person = new Person(personName, personAge);
Car car = new Car(carName);
car.setOwner(person);
person.getCars().add(car);
em.persist(person);
}
我的持久性單元
內當我在我的Wildlfy 9部署在WebApp和想要保存的數據,我得到一個異常
org.hibernate.resource.transaction.backend.jta.internal.JtaPlatformInaccessibleException: Unable to access TransactionManager or UserTransaction to make physical transaction delegate
研究在互聯網沒有結果告終。只有幾個教程。我曾嘗試過使用和不使用transaction-type =「JTA」。
你有什麼想法嗎?