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https://issues.apache.org/jira/browse/TOMEE-2057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044216#comment-16044216
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Romain Manni-Bucau commented on TOMEE-2057:
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jpa and ejb will register a synchonization so order depends the access order i
think
> @BeforeCompletion callback issue
> ---------------------------------
>
> Key: TOMEE-2057
> URL: https://issues.apache.org/jira/browse/TOMEE-2057
> Project: TomEE
> Issue Type: Bug
> Components: TomEE Core Server
> Reporter: Svetlin Zarev
> Attachments: sample-v2.zip, sample.zip
>
>
> I have a @Stateful bean which has @AfterBegin & @BeforeCompletion callbacks
> defined. It tries to persist a JPA entity in each one of them:
> {code}
> @Stateful
> public class SessionBean implements Serializable {
> public static final int ID_AFTER_BEGIN = 1234;
> public static final int ID_BEFORE_COMPLETION = 5678;
> public static final int ID_TX_ENTITY = 9999;
> @PersistenceContext
> EntityManager em;
> @AfterBegin
> public void afterBegin() {
> final TestEntity entity = new TestEntity(ID_AFTER_BEGIN, "On
> AFTER_BEGIN");
> em.persist(entity);
> if(null == em.find(TestEntity.class, ID_AFTER_BEGIN)){
> throw new IllegalStateException("Entity not persisted in
> AFTER_BEGIN");
> }
> }
> @BeforeCompletion
> public void beforeCompletion() {
> final TestEntity entity = new TestEntity(ID_BEFORE_COMPLETION, "On
> BEFORE_COMPLETION");
> em.persist(entity);
> if(null == em.find(TestEntity.class, ID_BEFORE_COMPLETION)){
> throw new IllegalStateException("Entity not persisted in
> BEFORE_COMPLETION");
> }
> }
> @TransactionAttribute(TransactionAttributeType.REQUIRED)
> public void txRequired() {
> final TestEntity entity = new TestEntity(ID_TX_ENTITY, "On
> TX_REQUIRED");
> em.persist(entity);
> if(null == em.find(TestEntity.class, ID_TX_ENTITY)){
> throw new IllegalStateException("Entity not persisted in
> TX_REQUIRED");
> }
> }
> }
> {code}
> During the transaction everything seems fine, but after the transaction
> EntityManger.find() returns null for the bean persisted during
> @BeforeCompletion
> I've attached sample app that reproduces the issue.
> *Expected result:*
> The output does not contain any failed tests.
> *Actual result:*
> {code}
> TESTING TX_REQUIRED WITHOUT EXISTING TRANSACTION
> [TEST FAILED] Expecting entity for BEFORE_COMPLETION instead of: null
> {code}
> PS: I observe a similar issue for @AfterBegin in another case, but I'm not
> able to extract a reproducible test case from it. But I thinkthe two issues
> are linked
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