[jboss-jira] [JBoss JIRA] (WFLY-4296) remove _ds.xml deployment support

[arjan tijms (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-4296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144713#comment-13144713 ] 

arjan tijms commented on WFLY-4296:
-----------------------------------

{quote}I'd much prefer for this to be fixed so that deploying a -ds.xml file in the deployments folder does indeed deploy this as a new datasource, (I'm fine with this only working in standalone mode by the way).{quote}

You can basically still do that with the standard {{data-source}} element (or the annotation if you so prefer). Just deploy a war with only the data source definition (use {{java:global}}) independently from the application that uses that data source. This is largely like you'd do with the deployment of a {{-ds.xml}} file.

{quote}Multitennanted systems which rely on database partitioning (Different database per tennant), and thus require a specific datasource per tennant, decided at runtime, would not be possible if this feature is deprecated{quote}

Which feature of {{-ds.xml}} is that exactly? If you're missing specific features then it may be an idea to ask Red Hat to add those (via properties) to the standard {{data-source}} one. There are indeed a (large) number of pool settings that JBoss/WildFly doesn't wire from the properties. I studied the source and it looks relatively easy to do it, it's just that it isn't done.

Another avenue is asking for standardisation of features for Java EE 8's {{data-source}}. This would mean writing a mail to the Java EE mailing list at users at javaee-spec.java.net 





> remove _ds.xml deployment support
> ---------------------------------
>
>                 Key: WFLY-4296
>                 URL: https://issues.jboss.org/browse/WFLY-4296
>             Project: WildFly
>          Issue Type: Feature Request
>          Components: JCA
>            Reporter: Stefano Maestri
>




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