[jboss-jira] [JBoss JIRA] (WFLY-11793) JPA EntityManager merge infinite loop - java.lang.StackOverflowError

[Scott Marlow (Jira)]

    [ https://issues.jboss.org/browse/WFLY-11793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13702838#comment-13702838 ] 

Scott Marlow commented on WFLY-11793:
-------------------------------------

[~brunomaioli] I assume that an infinite loop, is caused by something going wrong in Hibernate ORM code.  Could you verify by taking a thread dump of the WildFly server after the infinite loop has been reached?

You can probably use the "jps -l" + "jstack ProcessID" invocations, after recreating the failure.

If the infinite loop is caused by code in Hibernate ORM, then a [https://hibernate.atlassian.net/projects/HHH] will need to be created instead of this jira.

Thanks for reporting this.

Scott

> JPA EntityManager merge infinite loop - java.lang.StackOverflowError
> --------------------------------------------------------------------
>
>                 Key: WFLY-11793
>                 URL: https://issues.jboss.org/browse/WFLY-11793
>             Project: WildFly
>          Issue Type: Bug
>          Components: JPA / Hibernate
>    Affects Versions: 15.0.1.Final
>         Environment: MAC OS Mojave
> Java 11
> Wildfly 15.0.1-Final
> Data Base Postgresql
>            Reporter: Bruno Maioli Martins
>            Assignee: Scott Marlow
>            Priority: Critical
>         Attachments: teste.zip
>
>
> Dear,
> When executing the update of a record invoking getEntityManager().merge(obj) the application goes into infinite loop. This behavior only occurs when there is a OneToMany bidirectional mapping of the entity Papel -> PermissaoAtribuida.
> If the same code runs outside of the Wildfly server context its execution occurs normally.
> Apparently the call getEntityManager.().merge(obj) attempts infinite selects to sync the object with transaction context before doing the merge.
> Attach the source code of my test classes.



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