[cdi-dev] [JBoss JIRA] (CDI-523) CDI spec tries to dispose a container-managed entity manager.

[Antoine Sabot-Durand (JIRA)]

    [ https://issues.jboss.org/browse/CDI-523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13304212#comment-13304212 ] 

Antoine Sabot-Durand commented on CDI-523:
------------------------------------------

So example should be changed.
Do you have suggestion to demonstrated disposer with a basic example ?

> CDI spec tries to dispose a container-managed entity manager.
> -------------------------------------------------------------
>
>                 Key: CDI-523
>                 URL: https://issues.jboss.org/browse/CDI-523
>             Project: CDI Specification Issues
>          Issue Type: Bug
>    Affects Versions: 1.2.Final, 1.1.Final
>            Reporter: Martin Andersson
>             Fix For: 2.0 .Final
>
>
> Section "3.5.2. Declaring a disposer method" has this example:
> {code:java}
> public class Resources {
>     @PersistenceContext
>     @Produces @UserDatabase
>     private EntityManager em;
>     
>     public void close(@Disposes @UserDatabase EntityManager em) {
>         em.close();
>     }
> }
> {code}
> The disposer method above call {{EntityManager.close()}} on a container-managed entity manager which result in an {{IllegalStateException}} being thrown *and* the entity manager remains open. This behavior is expected as the JPA specification forbids application code to close a container-managed entity manager. JPA 2.1, section "7.9.1 Container Responsibilities" says:
> {quote}
> The container must throw the IllegalStateException if the application calls EntityManager.close on a container-managed entity manager.
> {quote}
> This has been proved [here|https://github.com/MartinanderssonDotcom/java-ee-concepts/blob/master/src/test/java/com/martinandersson/javaee/cdi/producers/entitymanager/unsafe/OracleTest.java] and a theoretical walkthough surrounding entity managers combined with CDI scopes is available [here|https://github.com/MartinanderssonDotcom/java-ee-concepts/blob/master/src/test/java/com/martinandersson/javaee/cdi/producers/entitymanager/package-info.java].



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