[jboss-jira] [JBoss JIRA] (WFLY-7101) Wildfly 10.1.0 blocks calls to Singleton EJBs in PostConstruct

[Stuart Douglas (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-7101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13298716#comment-13298716 ] 

Stuart Douglas commented on WFLY-7101:
--------------------------------------

This is not a bug, but actually required by the EJB spec, in 4.8.1 it says "the container must initialize the singleton session bean instance during the application startup sequence. The container must initialize all such startup-time singleton session beans before any external client requests (that is, client requests originating outside of the application) are delivered to any enterprise bean components in the application"



> Wildfly 10.1.0 blocks calls to Singleton EJBs in PostConstruct
> --------------------------------------------------------------
>
>                 Key: WFLY-7101
>                 URL: https://issues.jboss.org/browse/WFLY-7101
>             Project: WildFly
>          Issue Type: Bug
>          Components: EJB
>    Affects Versions: 10.1.0.Final
>         Environment: Wildfly 10.1.0 running under Windows 10 with Java 1.8.0_91
>            Reporter: Dietrich Schmidt
>            Assignee: Jason Greene
>         Attachments: Verklemmung.zip
>
>
> Wildfly 8.2.0 and 10.0.0 work fine with a Singleton Bean, which has a @Postconstruct method and in this method several threads are created with the ManagedExecutorService. These  threads call a method in another Singleton EJB, which has been injected.
> This call is blocked in Wildfly 10.1.0 until the Prostconstruct thread has ended.
> I assume that the behaviour of Wildfly 8.2.0 + 10.0.0 is correct and the behaviour of Wildfly 10.1.0 is a bug.



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