[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-682) seam-gen edit page doesn't support saving after deletion

[Christian Bauer (JIRA)]

seam-gen edit page doesn't support saving after deletion
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                 Key: JBSEAM-682
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-682
             Project: JBoss Seam
          Issue Type: Bug
          Components: Framework
            Reporter: Christian Bauer
            Priority: Minor


The Delete button on the seam-gen generated edit page calls home.remove(), which effectively detaches the deleted entity. Since the edit page is redisplayed, and the detached entity is rendered in the form, clicking Save results in an exception:

Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: org.jboss.seam.wiki.core.Foo
        at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:79)
        at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38)
        at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618)
        at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592)
        at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596)

Overriding the persist() method and using em.merge() would solve this temporarily, I think it is better if the generated edit page would redirect to the list page after deletion.


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