Foo class ---------------
public class foo {
private Long id;
private
String name;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Bar class ---------
public class bar {
private Long id;
private String name;
private Long fooid;
public Long getFooid() {
return fooid;
}
public void setFooid(Long fooid) {
this.fooid = fooid;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
foobar.hbm.xml <hibernate-mapping>
<class name="foobar.foo" table="FOO">
<id name="id" column="FOOID">
<generator class="increment" />
</id>
<property name="name" column="FOONAME" />
</class>
<class name="foobar.bar" table="BAR">
<id name="id" column="BARID">
<generator class="increment" />
</id>
<property name="name" column="BARNAME" />
<many-to-one name="fooid" column="FOOID" not-null="true" class="foobar.foo"/>
</class>
</hibernate-mapping>
Exception trace [
java] Exception in
thread "main" org.hibernate.PropertyAccessException: IllegalArgumentException occurred calling getter of foobar.foo.id
[java] at org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:171)
[java] at org.hibernate.tuple.entity.AbstractEntityTuplizer.getIdentifier(AbstractEntityTuplizer.java:183)
[java] at org.hibernate.persister.entity.AbstractEntityPersister.getIdentifier(AbstractEntityPersister.java:3591)
[java] at org.hibernate.persister.entity.AbstractEntityPersister.isTransient(AbstractEntityPersister.java:3307)
[java] at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:181)
[java] at org.hibernate.engine.ForeignKeys$Nullifier.isNullifiable(ForeignKeys.java:137)
[java] at org.hibernate.engine.ForeignKeys$Nullifier.nullifyTransientReferences(ForeignKeys.java:69)
[java] at org.hibernate.engine.ForeignKeys$Nullifier.nullifyTransientReferences(ForeignKeys.java:47)
[java] at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:288)
[java] at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
[java] at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:121)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
[java] at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
[java] at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
[java] at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
[java] at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:535)
[java] at org.hibernate.impl.SessionImpl.save(SessionImpl.java:523)
[java] at org.hibernate.impl.SessionImpl.save(SessionImpl.java:519)
[java] at foobar.create.main(Unknown Source)
[java] Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[java] at java.lang.reflect.Method.invoke(Unknown Source)
[java] at org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:145)
[java] ... 19 more
[java] Java Result: 1
Help me to get rid :roll:
