많은 연구를하고 있지만 내 문제에 대한 진정한 답을 찾지 못했습니다.JPA : 계단식 관계로 오브젝트를 지속하는 방법은 무엇입니까? 여전히 Javax.persistence.PersistenceException ...
많은 관계가있는 객체를 만들고 싶습니다.
내 엔티티는 참조 유형에 정의 된 참조이며, 설명서에 링크되어 있습니다 (null 일 수 있음). 이 참조는 하나 또는 여러 항공기에 대해 정의되며 일부 번역이 있습니다.
쉽게하기 위해 계단식 및 orphelanRemoval에 대한 주석을 달았습니다.
여기 코드입니다.
@Table(name = "T_E_REFERENCE_REF",
uniqueConstraints = @UniqueConstraint(columnNames = "REF_IDENTIFIER"))
public class Reference implements java.io.Serializable {
@Id
@Column(name = "REF_ID", unique = true, nullable = false)
@TableGenerator(name="referenceSeqStore",
table="T_S_APP_SEQ_STORE_AST",
pkColumnName="AST_SEQ_NAME",
valueColumnName = "AST_SEQ_VALUE",
pkColumnValue = "T_E_REFERENCE_REF.REF_ID",
allocationSize=1)
@GeneratedValue(strategy=GenerationType.TABLE, generator="referenceSeqStore")
private Integer id;
@Column(name = "REF_IDENTIFIER", unique = true, nullable = false, length = 50)
private String identifier;
@Column(name = "REF_LINK")
private String link;
@Column(name = "REF_OBSERVATIONS", length = 4000)
private String observations;
@ManyToOne
@JoinColumn(name = "REF_RFT_ID", nullable = false)
private ReferenceType referenceType;
@ManyToOne
@JoinColumn(name = "REF_MAN_ID")
private Manual manual;
@OneToMany(fetch = FetchType.LAZY,
mappedBy = "reference",
cascade = { CascadeType.ALL }, orphanRemoval = true)
private Set<Translation> translations = new HashSet<Translation>(0);
@ManyToMany(fetch = FetchType.LAZY,
cascade = { CascadeType.ALL })
@JoinTable(name = "T_J_REF_AIR_RFA",
joinColumns = { @JoinColumn(name = "RFA_REF_ID", nullable = false, updatable = false) },
inverseJoinColumns = { @JoinColumn(name = "RFA_AIR_ID", nullable = false, updatable = false) })
private Set<Aircraft> aircrafts = new HashSet<Aircraft>(0);
@Transient
private String localeTranslation;
}
@Table(name = "T_R_AIRCRAFT_AIR",
uniqueConstraints = @UniqueConstraint(columnNames = "AIR_NAME"))
public class Aircraft implements java.io.Serializable {
@Id
@Column(name = "AIR_ID", unique = true, nullable = false)
@TableGenerator(name="aircraftSeqStore",
table="T_S_APP_SEQ_STORE_AST",
pkColumnName="AST_SEQ_NAME",
valueColumnName = "AST_SEQ_VALUE",
pkColumnValue = "T_R_AIRCRAFT_AIR.AIR_ID",
allocationSize=1)
@GeneratedValue(strategy=GenerationType.TABLE,
generator="aircraftSeqStore")
private Integer id;
@Column(name = "AIR_NAME", unique = true, nullable = false, length = 50)
private String name;
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "T_J_REF_AIR_RFA",
joinColumns = { @JoinColumn(name = "RFA_AIR_ID", nullable = false, updatable = false) },
inverseJoinColumns = { @JoinColumn(name = "RFA_REF_ID", nullable = false, updatable = false) })
@OrderBy("identifier")
private Set<Reference> references = new HashSet<Reference>(0);
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "T_J_MAN_AIR_MNA",
joinColumns = { @JoinColumn(name = "MNA_AIR_ID", nullable = false, updatable = false) },
inverseJoinColumns = { @JoinColumn(name = "MNA_MAN_ID", nullable = false, updatable = false) })
@OrderBy("type")
private Set<Manual> manuals = new HashSet<Manual>(0);
@OneToMany(fetch = FetchType.LAZY,
mappedBy = "aircraft",
cascade = { CascadeType.REMOVE })
private Set<UserConfig> userConfigs = new HashSet<UserConfig>(0);
}
@Table(name = "T_R_REFERENCE_TYPE_RFT",
uniqueConstraints = @UniqueConstraint(columnNames = "RFT_TYPE"))
public class ReferenceType implements java.io.Serializable {
@Id
@Column(name = "RFT_ID", unique = true, nullable = false)
@TableGenerator(name="referenceTypeSeqStore",
table="T_S_APP_SEQ_STORE_AST",
pkColumnName="AST_SEQ_NAME",
valueColumnName = "AST_SEQ_VALUE",
pkColumnValue = "T_R_REFERENCE_TYPE_RFT.RFT_ID",
allocationSize=1)
@GeneratedValue(strategy=GenerationType.TABLE, generator="referenceTypeSeqStore")
private Integer id;
@Column(name = "RFT_TYPE", unique = true, nullable = false, length = 50)
private String type;
@OneToMany(fetch = FetchType.LAZY,
mappedBy = "referenceType",
cascade = { CascadeType.REMOVE })
private Set<Reference> references = new HashSet<Reference>(0);
@OneToMany(fetch = FetchType.LAZY,
mappedBy = "referenceType",
cascade = { CascadeType.REMOVE })
private Set<UserConfig> userConfigs = new HashSet<UserConfig>(0);
@Transient
private String typeTranslated;
}
@Table(name = "T_R_MANUAL_MAN",
uniqueConstraints = @UniqueConstraint(columnNames = "MAN_TYPE"))
public class Manual implements java.io.Serializable {
@Id
@Column(name = "MAN_ID", unique = true, nullable = false)
@TableGenerator(name="manualSeqStore",
table="T_S_APP_SEQ_STORE_AST",
pkColumnName="AST_SEQ_NAME",
valueColumnName = "AST_SEQ_VALUE",
pkColumnValue = "T_R_MANUAL_MAN.MAN_ID",
allocationSize=1)
@GeneratedValue(strategy=GenerationType.TABLE, generator="manualSeqStore")
private Integer id;
@Column(name = "MAN_TYPE", unique = true, nullable = false, length = 50)
private String type;
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "T_J_MAN_AIR_MNA",
joinColumns = { @JoinColumn(name = "MNA_MAN_ID", nullable = false, updatable = false) },
inverseJoinColumns = { @JoinColumn(name = "MNA_AIR_ID", nullable = false, updatable = false) })
private Set<Aircraft> aircrafts = new HashSet<Aircraft>(0);
@OneToMany(fetch = FetchType.LAZY, mappedBy = "manual")
private Set<Reference> references = new HashSet<Reference>(0);
}
@Table(name = "T_E_TRANSLATION_TRL")
public class Translation implements java.io.Serializable {
@Id
@Column(name = "TRL_ID", unique = true, nullable = false)
@TableGenerator(name="translationSeqStore",
table="T_S_APP_SEQ_STORE_AST",
pkColumnName="AST_SEQ_NAME",
valueColumnName = "AST_SEQ_VALUE",
pkColumnValue = "T_E_TRANSLATION_TRL.TRL_ID",
allocationSize=1)
@GeneratedValue(strategy=GenerationType.TABLE,
generator="translationSeqStore")
private Integer id;
@ManyToOne
@JoinColumn(name = "TRL_REF_ID", nullable = false)
private Reference reference;
@ManyToOne
@JoinColumn(name = "TRL_LAN_ID", nullable = false)
private Language language;
@Column(name = "TRL_LABEL", nullable = false, length = 4000)
private String label;
}
@Table(name = "T_R_LANGUAGE_LAN",
uniqueConstraints = @UniqueConstraint(columnNames = "LAN_LANG"))
public class Language implements java.io.Serializable {
@Id
@Column(name = "LAN_ID", unique = true, nullable = false)
@TableGenerator(name="langSeqStore",
table="T_S_APP_SEQ_STORE_AST",
pkColumnName="AST_SEQ_NAME",
valueColumnName = "AST_SEQ_VALUE",
pkColumnValue = "T_R_LANGUAGE_LAN.LAN_ID",
allocationSize=1)
@GeneratedValue(strategy=GenerationType.TABLE, generator="langSeqStore")
private Integer id;
@Column(name = "LAN_LANG", unique = true, nullable = false, length = 2)
private String lang;
}
데이터베이스에 이미 저장된 일부 개체가 포함 된 새 참조를 만들기 위해 JUnit 테스트를 코딩했습니다. 그러나 내 삽입 메소드 (persist)는 매번 javax.persistence.PersistenceException으로 실패합니다 : org.hibernate.PersistentObjectException : 분리 된 엔티티가 지속성을 전달합니다. 여기
내 JUnit 테스트 :
@Test
@Transactional
public void testInsertReference() {
// Create transient
Reference reference = new Reference();
reference.setIdentifier("MYTEST");
reference.setLink("MYLINK");
reference.setObservations("MYCOMMENT");
// get from database
Manual manual = manualService.getManual("MYMAN");
ReferenceType refType = referenceTypeService.getReferenceType(1);
Aircraft aircraft = aircraftService.getAircraft("MYAIR");
Set<Aircraft> airList = new HashSet<Aircraft>();
airList.add(aircraft);
Language langEn = languageService.getLanguage("EN");
Language langFr = languageService.getLanguage("FR");
Translation trlEn = new Translation();
trlEn.setLanguage(langEn);
trlEn.setLabel("my ref test");
Translation trlFr = new Translation();
trlFr.setLanguage(langFr);
trlFr.setLabel("mon test de ref");
List<Translation> trlList = new ArrayList<Translation>();
trlList.add(trlEn);
trlList.add(trlFr);
// Set some relations
reference.setManual(manual);
reference.setReferenceType(refType);
reference.setAircrafts(airList);
reference.setTranslations(new HashSet<Translation>(trlList));
// Persist
reference = referenceService.insertReference(reference); // which execute : entityManager.persist(entity)
logger.info(reference.toString());
}
어떤 생각?
감사합니다스택 추적 : 당신이 일단
javax.persistence.PersistenceException: org.hibernate.PersistentObjectException: detached entity passed to persist: myprog.test.persistence.entity.Aircraft
at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1365)
at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1293)
at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1299)
at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:865)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:365)
at $Proxy39.persist(Unknown Source)
at myprog.test.persistence.dao.impl.GenericDaoImpl.create(GenericDaoImpl.java:54)
at myprog.test.service.impl.ReferenceServiceImpl.insertReference(ReferenceServiceImpl.java:61)
at myprog.test.service.impl.ReferenceServiceImpl$$FastClassByCGLIB$$f01500a8.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)
at myprog.test.service.impl.ReferenceServiceImpl$$EnhancerByCGLIB$$a99de5b.insertReference(<generated>)
at myprog.test.service.ReferenceServiceTest.testInsertReference(ReferenceServiceTest.java:147)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: myprog.test.persistence.entity.Aircraft
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:141)
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:802)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:795)
at org.hibernate.engine.spi.EJB3CascadingAction$1.cascade(EJB3CascadingAction.java:52)
at org.hibernate.engine.internal.Cascade.cascadeToOne(Cascade.java:380)
at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:323)
at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:208)
at org.hibernate.engine.internal.Cascade.cascadeCollectionElements(Cascade.java:409)
at org.hibernate.engine.internal.Cascade.cascadeCollection(Cascade.java:350)
at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:326)
at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:208)
at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:165)
at org.hibernate.event.internal.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:448)
at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:293)
at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:193)
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:136)
at org.hibernate.ejb.event.EJB3PersistEventListener.saveWithGeneratedId(EJB3PersistEventListener.java:78)
at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:208)
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:151)
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:78)
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:811)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:786)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:790)
at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:859)
... 49 more
예외의 스택 트레이스 무엇인가? 어느 개체가 분리 되었습니까? – dcernahoschi
항공기가 보이는 것 같습니다. 내가 이해하지 못하는 것이 있습니다 : db로부터 객체를 얻을 때, 그것은 분리 된 객체이기 때문에 동시 접근은 그것을 수정할 수 있습니다. 그래서, 95 %의 경우에, 우리는'persist'를 사용할 수 없지만'merge'를 사용할 수 있습니까? 지속성을 사용하는 유일한 경우는 전체적으로 일시적인 객체입니다. 고맙습니다. – MychaL
서비스가 동일한 EntityManager 인스턴스를 사용하고 있습니까? 그래서 그들은 같은 집요한 환경에 있습니까? – dcernahoschi