When I do a Hibernate merge() to a ItemVersionLanguage object, I got "ERROR [org.hibernate.LazyInitializationException] (pool-9-thread-1) could not initialize proxy - no Session: org.hibernate.LazyInitializationException: could not initialize proxy - no Session" from the codes below.
But when I get data from it, it works fine from either ItemVersion or ItemVersionLanguage's url.
I don't have a @Transactional wrapping the code in which merge() locates.
ItemVersionLanguage.java
@Entity
@Table(name = "item_version_language")
public class ItemVersionLanguage implements java.io.Serializable {
private String url;
private ItemVersion itemVersion;
public void setUrl(String url)
{
this.url = url;
}
@Column(name = "url")
public String getUrl()
{
if(this.url == null)
{
return this.itemVersion.url; //this results in the problem!
}
else
{
return this.url;
}
}
public void setItemVersion(ItemVersion itemVersion)
{
this.itemVersion = itemVersion;
}
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "item_version_obj_id", nullable = false)
public ItemVersion getItemVersion()
{
return this.itemVersion;
}
}
ItemVersion.java
@Entity
@Table(name = "item_version")
public class ItemVersion implements java.io.Serializable {
private String url;
public void setUrl(String url)
{
this.url = url;
}
@Column(name = "url")
public String getUrl()
{
return this.url;
}
}
Am I doing anything wrong?