[jira] [Updated] (DELTASPIKE-508) @Transaction return NPE on qualified Datasource injections

["Gerhard Petracek (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DELTASPIKE-508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gerhard Petracek updated DELTASPIKE-508:
----------------------------------------

         Priority: Minor  (was: Major)
    Fix Version/s: 0.7
         Assignee: Mark Struberg
           Labels:   (was: datasources transactions)

a workaround exists -> priority minor

> @Transaction return NPE on qualified Datasource injections
> ----------------------------------------------------------
>
>                 Key: DELTASPIKE-508
>                 URL: https://issues.apache.org/jira/browse/DELTASPIKE-508
>             Project: DeltaSpike
>          Issue Type: Bug
>          Components: JPA-Module
>    Affects Versions: 0.5
>         Environment: Linux, JBoss-EAP-6.2, Java 7
>            Reporter: Cloves J. G. Almeida
>            Assignee: Mark Struberg
>            Priority: Minor
>             Fix For: 0.7
>
>
> When using JTA transactions (and probably Resouce Local), a bean injecting a qualified DataSource _without an EntityManager also being injected_ will fail with an NPE if there's no default EntityManager or won't put the correct datasource into the transaction (and fail or act inconsistently).
> The reason is that in org.apache.deltaspike.jpa.impl.transaction.TransactionStrategyHelper.resolveEntityManagerQualifiers only injected EntityManagers are scanned for qualifiers used to resolve.
> A workaround is to place a qualified EntityManager pointing to the same datasource. This is limited, however. Some use cases, like batch processing does not require an EntityManager and one might not be available.



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