Hi there,
everytime I try to fetch a OneToMany-Mapped collection of the type list it
fails.
By invoking the customer's getEmails() method, I get the following exception
which I don't understand really.
Maybe someone of you can help me with that.
Regards,
Hauke
JBoss: 4.0.4.GA
Hibernate: 3.2.0.cr2
Hibernate Annotations: 3.2.0.CR1
Hibernate EntityManager: 3.2.0.CR1
org.hibernate.LazyInitializationException
| 26.06.2006 20:04:13 org.hibernate.LazyInitializationException <init>
| SCHWERWIEGEND: failed to lazily initialize a collection of role:
plyd.model.customer.CustomerAccount.emails, no session or session was closed
| org.hibernate.LazyInitializationException: failed to lazily initialize a
collection of role: plyd.model.customer.CustomerAccount.emails, no session or
session was closed
| at
org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358)
| at
org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350)
| at
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:343)
| at
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:86)
| at
org.hibernate.collection.PersistentBag.iterator(PersistentBag.java:246)
| at
plyd.customer.customer.ShowPersonalDetailsPanel.setBean(ShowPersonalDetailsPanel.java:283)
| at
plyd.customer.ManageCustomerPanel.setCustomer(ManageCustomerPanel.java:105)
| at
plyd.customer.search.SearchCustomerAction.actionPerformed(SearchCustomerAction.java:60)
| at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
| at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
| at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
| at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
| at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
| at java.awt.Component.processMouseEvent(Component.java:5488)
| at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
| at java.awt.Component.processEvent(Component.java:5253)
| at java.awt.Container.processEvent(Container.java:1966)
| at java.awt.Component.dispatchEventImpl(Component.java:3955)
| at java.awt.Container.dispatchEventImpl(Container.java:2024)
| at java.awt.Component.dispatchEvent(Component.java:3803)
| at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
| at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
| at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
| at java.awt.Container.dispatchEventImpl(Container.java:2010)
| at java.awt.Window.dispatchEventImpl(Window.java:1774)
| at java.awt.Component.dispatchEvent(Component.java:3803)
| at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
| at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
| at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
| at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
| at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
| at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
| Exception in thread "AWT-EventQueue-0"
org.hibernate.LazyInitializationException: failed to lazily initialize a
collection of role: plyd.model.customer.CustomerAccount.emails, no session or
session was closed
| at
org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358)
| at
org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350)
| at
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:343)
| at
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:86)
| at
org.hibernate.collection.PersistentBag.iterator(PersistentBag.java:246)
| at
plyd.customer.customer.ShowPersonalDetailsPanel.setBean(ShowPersonalDetailsPanel.java:283)
| at
plyd.customer.ManageCustomerPanel.setCustomer(ManageCustomerPanel.java:105)
| at
plyd.customer.search.SearchCustomerAction.actionPerformed(SearchCustomerAction.java:60)
| at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
| at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
| at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
| at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
| at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
| at java.awt.Component.processMouseEvent(Component.java:5488)
| at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
| at java.awt.Component.processEvent(Component.java:5253)
| at java.awt.Container.processEvent(Container.java:1966)
| at java.awt.Component.dispatchEventImpl(Component.java:3955)
| at java.awt.Container.dispatchEventImpl(Container.java:2024)
| at java.awt.Component.dispatchEvent(Component.java:3803)
| at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
| at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
| at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
| at java.awt.Container.dispatchEventImpl(Container.java:2010)
| at java.awt.Window.dispatchEventImpl(Window.java:1774)
| at java.awt.Component.dispatchEvent(Component.java:3803)
| at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
| at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
| at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
| at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
| at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
| at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
|
|
CustomerAccount Bean
| @Entity
| public class CustomerAccount implements Serializable {
|
| @Id
| @GeneratedValue
| protected long id;
|
| @OneToMany( cascade = CascadeType.ALL )
| protected List<CustomerEMail> emails;
|
|
| public CustomerAccount() {
| super();
| }
|
| public long getId() {
| return id;
| }
|
| public List<CustomerEMail> getEmails() {
| if (emails == null) {
| emails = new ArrayList<CustomerEMail>();
| }
| return emails;
| }
|
| public void setEmails(List<CustomerEMail> emails) {
| this.emails = emails;
| }
|
| }
|
CustomerEMail Bean
| @Entity
| public class CustomerEMail implements Serializable {
|
| @Id
| @GeneratedValue
| protected long id;
|
| protected String email;
|
| @Temporal( TemporalType.DATE )
| protected Date created;
|
| @Temporal( TemporalType.DATE )
| protected Date verified;
|
| public CustomerEMail() {
| super();
| }
|
| public Date getCreated() {
| return created;
| }
|
| public void setCreated(Date created) {
| this.created = created;
| }
|
| public String getEmail() {
| return email;
| }
|
| public void setEmail(String mail) {
| email = mail;
| }
|
| public long getId() {
| return id;
| }
|
| public Date getVerified() {
| return verified;
| }
|
| public void setVerified(Date verified) {
| this.verified = verified;
| }
|
| }
|
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