[jboss-jira] [JBoss JIRA] (WFLY-6485) add JPA dependency in subdeployments to avoid NPE

[Scott Marlow (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-6485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Scott Marlow updated WFLY-6485:
-------------------------------
    Description: 
WeldDeploymentProcessor only processes top level deployments (subdeployments are skipped). This means that subdeployments that CDI inject a persistence unit/context, will not add a dependency on the JPA PersistenceUnitService. As a result, the PersistenceUnitService is referenced before it is started (which leads to PersistenceUnitService.entityManagerFactory being null).

We should avoid the following NPE by ensuring that dependencies on the JPA persistence unit are added for all sub-deployments.
{quote}
Caused by: java.lang.NullPointerException
at org.jboss.as.jpa.container.TransactionScopedEntityManager.createEntityManager(TransactionScopedEntityManager.java:186)
at org.jboss.as.jpa.container.TransactionScopedEntityManager.getEntityManager(TransactionScopedEntityManager.java:91)
at org.jboss.as.jpa.container.AbstractEntityManager.find(AbstractEntityManager.java:212)
{quote}

Potential fix is at [https://github.com/scottmarlow/wildfly/tree/jpaNPE]

  was:
Avoid the following NPE by ensuring that dependencies on the JPA persistence unit are added for all sub-deployments.

{quote}
Caused by: java.lang.NullPointerException
at org.jboss.as.jpa.container.TransactionScopedEntityManager.createEntityManager(TransactionScopedEntityManager.java:186)
at org.jboss.as.jpa.container.TransactionScopedEntityManager.getEntityManager(TransactionScopedEntityManager.java:91)
at org.jboss.as.jpa.container.AbstractEntityManager.find(AbstractEntityManager.java:212)
{quote}

Potential fix is at [https://github.com/scottmarlow/wildfly/tree/jpaNPE]



> add JPA dependency in subdeployments to avoid NPE 
> --------------------------------------------------
>
>                 Key: WFLY-6485
>                 URL: https://issues.jboss.org/browse/WFLY-6485
>             Project: WildFly
>          Issue Type: Bug
>          Components: CDI / Weld, JPA / Hibernate
>    Affects Versions: 10.0.0.Final
>            Reporter: Scott Marlow
>            Assignee: Scott Marlow
>
> WeldDeploymentProcessor only processes top level deployments (subdeployments are skipped). This means that subdeployments that CDI inject a persistence unit/context, will not add a dependency on the JPA PersistenceUnitService. As a result, the PersistenceUnitService is referenced before it is started (which leads to PersistenceUnitService.entityManagerFactory being null).
> We should avoid the following NPE by ensuring that dependencies on the JPA persistence unit are added for all sub-deployments.
> {quote}
> Caused by: java.lang.NullPointerException
> at org.jboss.as.jpa.container.TransactionScopedEntityManager.createEntityManager(TransactionScopedEntityManager.java:186)
> at org.jboss.as.jpa.container.TransactionScopedEntityManager.getEntityManager(TransactionScopedEntityManager.java:91)
> at org.jboss.as.jpa.container.AbstractEntityManager.find(AbstractEntityManager.java:212)
> {quote}
> Potential fix is at [https://github.com/scottmarlow/wildfly/tree/jpaNPE]



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