My EntityManager is injected to my session scoped and I have 3 methods:
| @PersistenceContext(type = EXTENDED)
| private EntityManager em;
|
| public String list(){
| ...
| }
|
| public String edit(){
| ...
| }
|
| public String save(){
| ...
| }
|
In list method, I retrieve a collection of data from db. in edit(), I start to
edit for a single entity. in save(), when I try to use em.persist(myentity) or
em.merge(myentity). I get java.lang.IllegalArgumentException: Entity not
managed.
If I change my ejb to conversation scoped, the problem would disappear. Any
idea?
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