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Posted to dev@isis.apache.org by "Daniel Keir Haywood (Jira)" <ji...@apache.org> on 2021/07/15 16:38:00 UTC
[jira] [Commented] (ISIS-2799) JPA: Framework caches and does not
re-read changed state from the database.
[ https://issues.apache.org/jira/browse/ISIS-2799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17381456#comment-17381456 ]
Daniel Keir Haywood commented on ISIS-2799:
-------------------------------------------
also [https://github.com/gavlyukovskiy/spring-boot-data-source-decorator] to debug
> JPA: Framework caches and does not re-read changed state from the database.
> ---------------------------------------------------------------------------
>
> Key: ISIS-2799
> URL: https://issues.apache.org/jira/browse/ISIS-2799
> Project: Isis
> Issue Type: Bug
> Components: Isis Persistence JPA
> Affects Versions: 2.0.0-M5
> Reporter: Daniel Keir Haywood
> Assignee: Daniel Keir Haywood
> Priority: Blocker
> Fix For: 2.0.0-M6
>
>
> It seems that we use
> the symptom seems to be that we cache EntityManager's in JpaContext, which might be ok if they are proxied thread-locals; however the underlying aren't disposed of.
> We notice that EclipseLink creates a "NoServerPlatform", meaning that it doesn't recognise us as being in a container.
> We also notice that JPA creates an LocalContainerEntityManagerFactoryBean, whereas perhaps it should create a LocalEntityManagerFactoryBean. [https://stackoverflow.com/a/6157339/56880]
> some docs:
> [https://www.eclipse.org/eclipselink/documentation/2.6/solutions/testingjpa001.htm]
> [https://www.baeldung.com/jpa-hibernate-persistence-context] - we want to use "transaction-scoped" persistence context rather than "extended" ... and we are, I think.
>
>
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