Java com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException：重复条目'；2'；对于键'；初级'；测试期间
嗨，我有这个测试类，它将3个实体类保存到数据库中。 第一次保存时也会将强制转换实体存储两次。Java com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException：重复条目'；2'；对于键'；初级'；测试期间,java,mysql,spring,hibernate,jdbc,Java,Mysql,Spring,Hibernate,Jdbc,嗨，我有这个测试类，它将3个实体类保存到数据库中。 第一次保存时也会将强制转换实体存储两次。 @Test // @Transactional public void test() throws ParseException { //Creating a movie Movie movie1 = new Movie(); movie1.setMovieName("Movie One"); movie1.setPlot("Sample Plot1");
@Test
// @Transactional
public void test() throws ParseException {
//Creating a movie
Movie movie1 = new Movie();
movie1.setMovieName("Movie One");
movie1.setPlot("Sample Plot1");
movie1.setReleaseDate(new Date(DateUtils.dateToMilliSecondsConverter(20160101L)));
//Creating cast
Cast cast1 = new Cast("male", "lead", Type.MALE_LEAD);
Cast cast2 = new Cast("female", "lead", Type.FEMALE_LEAD);
List<Cast> cast = new ArrayList<>();
cast.add(cast1);
cast.add(cast2);
//adding cast to movie
movie1.setCast(cast);
movie1.setRuntime(120);
movieDAO.saveOrUpdate(
//Creating a movie
Movie movie2 = new Movie();
movie2.setMovieName("Movie Two");
movie2.setPlot("Sample Plot2");
movie2.setReleaseDate(new Date(DateUtils.dateToMilliSecondsConverter(20160101L)));
movie2.setRuntime(120);
movieDAO.saveOrUpdate(movie2);
CinemaHall ch = new CinemaHall();
ch.setName("Odeon");
ch.setMovie(new ArrayList<Movie>() {
{
add(movie1);
add(movie2);
}
});
cinemaHallDAO.saveOrUpdate(ch);
public class CinemaHall{
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private long id;
private String name;
@OneToMany(targetEntity = Movie.class, cascade = CascadeType.ALL, fetch = FetchType.EAGER)
private List<Movie> movie = new ArrayList<>();
}
public class Movie implements Common {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private long id;
private String movieName;
private Date releaseDate;
@OneToMany(targetEntity = Cast.class, cascade = CascadeType.ALL, fetch = FetchType.EAGER)
private List<Cast> Cast = new ArrayList<>();
private String plot;
private Integer runtime;
@ElementCollection(targetClass = String.class)
private List<String> showTimings = new ArrayList<>();
}
public class Cast{
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private long id;
private String firstName;
private String lastName;
@Enumerated(value = EnumType.STRING)
private Type type;
}