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We get the following error message when persisting/updating/deleting associations:
{code}
Caused by: org.hibernate.PropertyNotFoundException: Could not locate getter method for property [co.fingerprintsoft.spring.hibernate.audit.Customer#null]
at org.hibernate.internal.util.ReflectHelper.findGetterMethod(ReflectHelper.java:400)
at org.hibernate.property.access.internal.PropertyAccessBasicImpl.<init>(PropertyAccessBasicImpl.java:41)
at org.hibernate.property.access.internal.PropertyAccessStrategyBasicImpl.buildPropertyAccess(PropertyAccessStrategyBasicImpl.java:27)
at org.hibernate.envers.internal.tools.ReflectionTools.getGetter(ReflectionTools.java:53)
at org.hibernate.envers.internal.tools.ReflectionTools.getGetter(ReflectionTools.java:46)
at org.hibernate.envers.internal.entities.mapper.MultiPropertyMapper.mapToMapFromEntity(MultiPropertyMapper.java:105)
at org.hibernate.envers.internal.synchronization.work.CollectionChangeWorkUnit.generateData(CollectionChangeWorkUnit.java:48)
at org.hibernate.envers.internal.synchronization.work.AbstractAuditWorkUnit.perform(AbstractAuditWorkUnit.java:62)
at org.hibernate.envers.internal.synchronization.AuditProcess.executeInSession(AuditProcess.java:106)
at org.hibernate.envers.internal.synchronization.AuditProcess.doBeforeTransactionCompletion(AuditProcess.java:153)
at org.hibernate.envers.internal.synchronization.AuditProcessManager$1.doBeforeTransactionCompletion(AuditProcessManager.java:46)
at org.hibernate.engine.spi.ActionQueue$BeforeTransactionCompletionProcessQueue.beforeTransactionCompletion(ActionQueue.java:706)
at org.hibernate.engine.spi.ActionQueue.beforeTransactionCompletion(ActionQueue.java:373)
at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:2271)
at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:485)
at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:146)
at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.access$100(JdbcResourceLocalTransactionCoordinatorImpl.java:38)
at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:230)
at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:65)
at org.hibernate.jpa.internal.TransactionImpl.commit(TransactionImpl.java:61){code}
We have tracked down the error to:
{code}
@Override
public boolean mapToMapFromEntity(
SessionImplementor session,
Map<String, Object> data,
Object newObj,
Object oldObj) {
boolean ret = false;
for ( PropertyData propertyData : properties.keySet() ) {
Getter getter;
if ( newObj != null ) {
getter = ReflectionTools.getGetter( newObj.getClass(), propertyData, session.getFactory().getServiceRegistry() );
}
else if ( oldObj != null ) {
getter = ReflectionTools.getGetter( oldObj.getClass(), propertyData, session.getFactory().getServiceRegistry() );
}
else {
return false;
}
ret |= properties.get( propertyData ).mapToMapFromEntity(
session, data,
newObj == null ? null : getter.get( newObj ),
oldObj == null ? null : getter.get( oldObj )
);
}
return ret;
}
{code}
Specifically the line:
{code}
getter = ReflectionTools.getGetter( newObj.getClass(), propertyData, session.getFactory().getServiceRegistry() ); //Line 105: org.hibernate.envers.internal.entities.mapper.MultiPropertyMapper
}
{code}
To replicate the error:
h5. Customer.java
{code:java}
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.validation.constraints.Size;
import org.hibernate.annotations.NaturalId;
import org.hibernate.envers.Audited;
import org.hibernate.validator.constraints.Length;
import com.sun.istack.internal.NotNull;
@Entity
@Audited
public class Customer implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@NaturalId
@NotNull
@Length(min = 6, max = 6)
private String customerNumber;
@Audited
@OneToMany(mappedBy = "customer")
private Collection<Account> accounts = new ArrayList();
@Size(max = 10, message = "{Size.customer.devices}")
@OneToMany(mappedBy = "customer", cascade = CascadeType.ALL)
private Set<Device> devices = new HashSet();
public String getCustomerNumber() {
return customerNumber;
}
public void setCustomerNumber(String customerNumber) {
this.customerNumber = customerNumber;
}
public Collection<Account> getAccounts() {
return accounts;
}
public void setAccounts(Collection<Account> accounts) {
this.accounts = accounts;
}
public Set<Device> getDevices() {
return devices;
}
public void setDevices(Set<Device> devices) {
this.devices = devices;
}
}
{code}
h5. Account.java
{code:java}
import javax.persistence.Entity;
import javax.persistence.ForeignKey;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.validation.constraints.NotNull;
import org.hibernate.envers.Audited;
@Entity
@Audited
public class Account {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Audited
@ManyToOne
@JoinColumn(
name = "customer_customernumber",
referencedColumnName = "customerNumber",
columnDefinition = "VARCHAR(6)",
foreignKey = @ForeignKey(name = "fk_acc_cust_custnumber")
)
@NotNull
private Customer customer;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Customer getCustomer() {
return customer;
}
public void setCustomer(Customer customer) {
this.customer = customer;
}
}
{code}
h5. Device.java
{code:java}
import javax.persistence.Entity;
import javax.persistence.ForeignKey;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import org.hibernate.envers.Audited;
@Entity
@Audited
public class Device {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Audited
@ManyToOne
@JoinColumn(name = "customer_id",
foreignKey = @ForeignKey(name = "fk_dev_cust_id")
)
private Customer customer;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Customer getCustomer() {
return customer;
}
public void setCustomer(Customer customer) {
this.customer = customer;
}
}
{code}
h5. Scenario
{code:java}
Customer customer = new Customer();
customer.setCustomerNumber("123457");
entityManager.getTransaction().begin();
entityManager.persist(customer);
entityManager.getTransaction().commit();
Device device = new Device();
device.setCustomer(customer);
Account account = new Account();
account.setCustomer(customer);
entityManager.getTransaction().begin();
entityManager.persist(account);
entityManager.getTransaction().commit();
entityManager.getTransaction().begin();
entityManager.remove(account);
entityManager.getTransaction().commit();
{code}
The problem stems from the fact that the property is not correctly identified in the PropertyData field:
{code}
propertyData = {PropertyData@6977}
name = {String@6983} "_co_fingerprintsoft_spring_hibernate_audit_Account_customer"
beanName = null
accessType = {String@6984} "property"
store = {ModificationStore@6908} "FULL"
usingModifiedFlag = false
modifiedFlagName = {String@6985} "customerNumber_MOD"
{code}
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