Hello all.
I need unidirectional @ManyToMany relationship between two classes inheritable from one common parent:
#######################
# Person.java
#######################
package ejb;
import java.io.Serializable;
import java.util.Date;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Inheritance;
import javax.persistence.InheritanceType;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
@Entity
@Inheritance(strategy=InheritanceType.JOINED)
public class Person implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String firstName;
private String lastName;
@Temporal(TemporalType.DATE)
private Date birthDay;
public Person() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public Date getBirthDay() {
return birthDay;
}
public void setBirthDay(Date birthDay) {
this.birthDay = birthDay;
}
}
#######################
# Customer.java
#######################
package ejb;
import javax.persistence.Entity;
@Entity
public class Customer extends Person {
private String address;
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
#######################
# Employee.java
#######################
package ejb;
import java.util.Collection;
import javax.persistence.Entity;
import javax.persistence.ManyToMany;
@Entity
public class Employee extends Person {
private String room;
@ManyToMany
private Collection<Customer> customers;
public String getRoom() {
return room;
}
public void setRoom(String room) {
this.room = room;
}
public Collection<Customer> getCustomers() {
return customers;
}
public void setCustomers(Collection<Customer> customers) {
this.customers = customers;
}
}
When i deploy this application i see this error:
String index out of range: 3
at java.lang.String.substring(String.java:1765)
at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataHelper.getAttributeNameFromMethodName(MetadataHelper.java:99)
at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataDescriptor.getAccessorFor(MetadataDescriptor.java:317)
at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataProcessor.processMapKey(MetadataProcessor.java:1295)
at oracle.toplink.essentials.internal.ejb.cmp3.annotations.EJBAnnotationsProcessor.processMapKey(EJBAnnotationsProcessor.java:1327)
at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataProcessor.processManyToMany(MetadataProcessor.java:1192)
at oracle.toplink.essentials.internal.ejb.cmp3.annotations.EJBAnnotationsProcessor.processManyToMany(EJBAnnotationsProcessor.java:1303)
at oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataProcessor.processRelationshipAccessor(MetadataProcessor.java:1641)
at oracle.toplink.essentials.internal.ejb.cmp3.annotations.EJBAnnotationsProcessor.processRelatedEntity(EJBAnnotationsProcessor.java:1786)
at oracle.toplink.essentials.internal.ejb.cmp3.annotations.EJBAnnotationsProcessor.processORAnnotations(EJBAnnotationsProcessor.java:1543)
at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:405)
at oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider.createContainerEntityManagerFactory(EntityManagerFactoryProvider.java:156)
at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.loadPersistenceUnitBundle(PersistenceProcessor.java:457)
at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.generateDDLFiles(PersistenceProcessor.java:286)
at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.processAppBundle(PersistenceProcessor.java:176)
at com.sun.jdo.spi.persistence.support.ejb.ejbc.PersistenceProcessor.processApplication(PersistenceProcessor.java:118)
at com.sun.jdo.spi.persistence.support.ejb.ejbc.DeploymentEventListenerImpl.processApplication(DeploymentEventListenerImpl.java:193)
at com.sun.jdo.spi.persistence.support.ejb.ejbc.DeploymentEventListenerImpl.processEvent(DeploymentEventListenerImpl.java:152)
at com.sun.jdo.spi.persistence.support.ejb.ejbc.DeploymentEventListenerImpl.notifyDeploymentEvent(DeploymentEventListenerImpl.java:109)
at com.sun.enterprise.deployment.backend.DeploymentEventManager.notifyDeploymentEvent(DeploymentEventManager.java:66)
at com.sun.enterprise.deployment.backend.AppDeployer.postDeploy(AppDeployer.java:429)
at com.sun.enterprise.deployment.backend.AppDeployer.deploy(AppDeployer.java:225)
at com.sun.enterprise.deployment.backend.AppDeployer.doRequestFinish(AppDeployer.java:129)
at com.sun.enterprise.deployment.phasing.J2EECPhase.runPhase(J2EECPhase.java:169)
at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:95)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:871)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:266)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:739)
at com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:174)
at com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:210)
Why?