January 2023 - hibernate-issues - Jboss List Archives

[JIRA] (HHH-16030) Improve name for method EntityInitializer#isInitialized and avoid providing a default implementation

by Sanne Grinovero (JIRA)

1 year, 11 months

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[JIRA] (HHH-16029) Remove misleading method EntityInitializer#isEntityResultInitializer

by Sanne Grinovero (JIRA)

1 year, 11 months

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[JIRA] (HHH-16004) Downcasting with CriteriaBuilder.treat causes ClassCastException

by Christian Beikov (JIRA)

1 year, 11 months

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[JIRA] (HHH-16014) Querying property from treated path causes IllegalArgumentException: Already registered a copy

by Christian Beikov (JIRA)

1 year, 11 months

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[JIRA] (HHH-16004) Downcasting with CriteriaBuilder.treat causes ClassCastException

by Marco Belladelli (JIRA)

1 year, 11 months

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[JIRA] (HHH-15966) ElementCollection with nested Embeddables fails with ArrayIndexOutOfBoundsException

by Christian Beikov (JIRA)

1 year, 11 months

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[JIRA] (HHH-9089) Annotations on fields in nested embeddable collection elements are ignored

by Christian Beikov (JIRA)

1 year, 11 months

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[JIRA] (HHH-14063) AccessType is not correctly propagated for embeddable mappings in element-collection

by Christian Beikov (JIRA)

1 year, 11 months

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[JIRA] (HHH-16015) NPE when using CompositeUserType in Hibernate 6.1.6

by Sahawut Wesaratchakit (JIRA)

Sahawut Wesaratchakit ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNjIwNjJmMzRk... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16015?atlOrigin=eyJpIjoiNjIwNj... ) HHH-16015 ( https://hibernate.atlassian.net/browse/HHH-16015?atlOrigin=eyJpIjoiNjIwNj... ) NPE when using CompositeUserType in Hibernate 6.1.6 ( https://hibernate.atlassian.net/browse/HHH-16015?atlOrigin=eyJpIjoiNjIwNj... ) Change By: Sahawut Wesaratchakit ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) I’m migrating my {{UserType}} class from Hibernate 5 to 6. As far as I understand the rules, I should use {{CompositeUserType}} because my mapped class is rather complex and encapsulates several properties to be persisted. This can’t be accomplished by {{UserType}} according to Hibernate 6’s JavaDoc. For the most part, it works. But there is one particular scenario where it can’t handle the cascading merge; I got a {{NullPointerException}}, as follows: {quote}java.lang.NullPointerException: Cannot invoke “org.hibernate.property.access.spi.Setter.set(Object, Object)” because the return value of “org.hibernate.property.access.spi.PropertyAccess.getSetter()” is null{quote} See [entire exception stack trace|https://github.com/sahawut/hibernate6-issue/blob/master/Test%20case...] I created a [minimal sample project|https://github.com/sahawut/hibernate6-issue] to reproduce the problem. [ @beikov identified it as a bug |https://discourse. hibernate.org/t/npe-when-using-compositeusertype-in-hibernate-6/7121/2?u=...]. For your convenience, I excerpt the important code from my sample project for a quick read. Here is my {{VaultValue}} type encapsulating a piece of data securely stored in a Vault: {noformat}public class VaultValue { protected String value = null; // plaintext to be persisted into a secure Vault storage protected Instant date = null; // the date when plaintext was persisted into the secure Vault storage protected Long vaultId = null; // an opaque id used to reference the plaintext persisted in the secure Vault storage protected String hashValue = null; // a hash value calculated based on the plaintext public VaultValue() {} public VaultValue(Long vaultId, String hashValue) { this.vaultId = vaultId; this.hashValue = hashValue; } public VaultValue(VaultValue src) { this.vaultId = src.vaultId; this.hashValue = src.hashValue; this.value = src.value; this.date = src.date; } public Long getVaultId() { return this.vaultId; } public String getHashValue() { return this.hashValue; } private boolean setValue(String value, Instant date) { final var newHash = hash(value); final boolean changed = !StringUtils.equals(this.hashValue, newHash); this.value = value; this.date = date; this.hashValue = newHash; return changed; } public static VaultValue setValue(VaultValue vaultValue, String value, Instant date) { VaultValue retval = (vaultValue == null ? new VaultValue() : vaultValue); retval.setValue(value, date); return retval; } public static String hash(String value) { if (value == null) return ""; return DigestUtils.sha256Hex(value.getBytes()); } @Override public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof VaultValue)) return false; VaultValue other = (VaultValue)o; // For use by Hibernate dirty-checking, it is important that this test only the // values that are persisted in the database: vaultId and hashValue. if (!Objects.equals(this.vaultId, other.vaultId)) return false; if (!Objects.equals(this.hashValue, other.hashValue)) return false; return true; } @Override public int hashCode() { return Objects.hashCode(this.vaultId); } } {noformat} Here is my {{CompositeUserType}} class that maps the {{VaultValue}} type: {noformat}public class VaultType implements CompositeUserType<VaultValue> { public static class EmbeddableMapper { String hash; Long id; } @Override public Object getPropertyValue(VaultValue component, int property) throws HibernateException { return switch (property) { // Hibernate sorts the properties by their names alphabetically case 0 -> component.getHashValue(); case 1 -> component.getVaultId(); default -> null; }; } @Override public VaultValue instantiate(ValueAccess values, SessionFactoryImplementor sessionFactory) { final String hash = values.getValue(0, String.class); final Long id = values.getValue(1, Long.class); return new VaultValue(id, hash); } @Override public Class<?> embeddable() { return EmbeddableMapper.class; } @Override public Class<VaultValue> returnedClass() { return VaultValue.class; } @Override public boolean equals(VaultValue x, VaultValue y) { return Objects.equals(x, y); } @Override public int hashCode(VaultValue x) { return Objects.hashCode(x); } @Override public boolean isMutable() { return true; } // Yes, the VaultValue internal state may change @Override public VaultValue deepCopy(VaultValue value) { if (value == null) return null; return new VaultValue(value); } @Override public Serializable disassemble(VaultValue value) { throw new UnsupportedOperationException(); } @Override public VaultValue assemble(Serializable cached, Object owner) { throw new UnsupportedOperationException(); } @Override public VaultValue replace(VaultValue detached, VaultValue managed, Object owner) { return deepCopy(detached); } } {noformat} In my model, I have two entity classes: * *Encounter* - an encounter in a healthcare setting * *Observation* - a physician’s observation of the patient An Encounter has a collection of Observations; basically, *Encounter* and *Observation* have a cascade one-to-many relation. Both the *Encounter* entity and the *Observation* entity have a property of my {{VaultValue}} class. By and large, they seem to work with Hibernate 6.1.6 (via Spring Boot 3.0.1). However, when an *Encounter* instance is re-saved after some new *Observation* instances are added to it, I get {{NullPointerException}} caused by {{PropertyAccessCompositeUserTypeImpl::getSetter()}} which always returns {{null}}. Here is the {{Observation}} entity class: {noformat}@Entity public class Observation extends IdObject { @ManyToOne(fetch = FetchType.EAGER, optional = false) @JoinColumn(name = "id_encounter", nullable = false, updatable = false, foreignKey = @ForeignKey(name = "FK_observation_has_encounter")) private Encounter encounter; public void setEncounter(Encounter encounter) { this.encounter = encounter; } public Encounter getEncounter() { return this.encounter; } @Embedded @AttributeOverride(name = "id", column = @Column(name = "secure_value_id")) @AttributeOverride(name = "hash", column = @Column(name = "secure_value_hash")) @CompositeType(VaultType.class) private VaultValue secureValue = new VaultValue(); public void setSecureValue(VaultValue secureValue) { this.secureValue = secureValue; } public void setSecureValue(String value, Instant referenceDate) { secureValue = VaultValue.setValue(secureValue, StringUtils.trimToNull(value), referenceDate); } public VaultValue getSecureValue() { return this.secureValue; } } {noformat} Here is the {{Encounter}} entity class: {noformat}@Entity public class Encounter extends IdObject { @Embedded @AttributeOverride(name = "id", column = @Column(name = "identifier_id")) @AttributeOverride(name = "hash", column = @Column(name = "identifier_hash")) @CompositeType(VaultType.class) private VaultValue identifier = new VaultValue(); public void setIdentifier(String rawValue, Instant referenceDate) { String value = StringUtils.trimToNull(rawValue); identifier = VaultValue.setValue(identifier, value, referenceDate); } public VaultValue getIdentifier() { return this.identifier; } @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL, mappedBy = "encounter") private Set<Observation> observations = new HashSet<>(); public Set<Observation> getObservations() { return this.observations; } public void setObservations(Set<Observation> observations) { this.observations = observations; } } {noformat} The following is the test code that reproduces the {{NullPointerException}} (i.e. the Test Case 2 in {{HibernateApplicationTests}} code in my minimal sample project, see the link above): {noformat}@Test void saveEncounterWithoutSavingObservationsThenSaveEncounterAgain_NOT_OK() { // Create and save an Encounter. final Encounter encounter = new Encounter(); encounter.setIdentifier("Medical-Record-Number-123456", Instant.now()); mockPersistToVault(encounter.getIdentifier()); encounterRepository.save(encounter); // Create and add an Observation to the Encounter. final Observation observation = new Observation(); observation.setEncounter(encounter); encounter.getObservations().add(observation); observation.setSecureValue("triage notes including patient's private information blah blah blah...", Instant.now()); mockPersistToVault(observation.getSecureValue()); // Attempt re-saving the Encounter in order to propagate saving of Observations via one-to-many cascade. assertThatThrownBy(() -> encounterRepository.save(encounter)) .isInstanceOf(NullPointerException.class); // Why does PropertyAccessCompositeUserTypeImpl::getSetter() return null? /* encounterRepository.save(encounter); */ // desired /* assertThat(observation.getId()).isNotNull(); */ // desired } {noformat} Note: * {{encounterRepository}} is an injected Spring JPA Repository * {{mockPersistToVault()}} just assigns {{vaultId}} an arbitrary number for the {{VaultValue}} argument I could work around it by saving every {{Observation}} in the collection first before re-saving the {{Encounter}}. However, this shouldn’t be necessary because I set up cascade for the one-to-many relation. In fact, I didn’t need to do so with Hibernate 5.6.14. ( https://hibernate.atlassian.net/browse/HHH-16015#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16015#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

1 year, 11 months

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[JIRA] (HHH-16031) @ManyToMany with @JoinTable(inverseColumn = ...) and SortedSet may results in data loss

by Yoann Rodière (JIRA)

Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiOGZhOWVkMjM3... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16031?atlOrigin=eyJpIjoiOGZhOW... ) HHH-16031 ( https://hibernate.atlassian.net/browse/HHH-16031?atlOrigin=eyJpIjoiOGZhOW... ) @ManyToMany with @JoinTable(inverseColumn = ...) and SortedSet may results in data loss ( https://hibernate.atlassian.net/browse/HHH-16031?atlOrigin=eyJpIjoiOGZhOW... ) Change By: Yoann Rodière ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Affects ORM 6.2, but not 5.6, and (I think) not 6.1 either. With the following model, attempting to remove one entity from the associations may result in the whole association being cleared. {code:java} @Entity(name = "containing") public static class ContainingEntity { @Id private Integer id; @ManyToMany @JoinTable(inverseJoinColumns = @JoinColumn(name = "inverse")) @SortNatural private SortedSet<ContainedEntity> contained = new TreeSet<>(); public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public SortedSet<ContainedEntity> getContained() { return contained; } public void setContained(SortedSet<ContainedEntity> contained) { this.contained = contained; } } @Entity(name = "contained") public static class ContainedEntity implements Comparable<ContainedEntity> { @Id private Integer id; @ManyToMany(mappedBy = "contained") private List<ContainingEntity> containing = new ArrayList<>(); @Override public int compareTo(ContainedEntity o) { return getId() - o.getId(); } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public List<ContainingEntity> getContaining() { return containing; } }{code} The problem appears to be in the SQL generated to clear remove an element from the association, which completely ignores one side of the association: {noformat}13:52:57,376 DEBUG SQL:128 - delete from containing_contained where containing_id=?{noformat} Whereas, when {{@JoinTable(inverseColumn)}} is not used, we get: {noformat}13:57:51,481 DEBUG SQL:128 - delete from containing_contained where containing_id=? and contained_id=?{noformat} Removing {{@JoinTable(inverseColumn = ...)}}, or moving from {{SortedSet}} to {{List}}, makes the problem disappear. I will submit a reproducer in the comments. ( https://hibernate.atlassian.net/browse/HHH-16031#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16031#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

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hibernate-issues January 2023