[jboss-jira] [JBoss JIRA] (WFLY-4144) Clarification on the semantics of the pre-installed ExampleDS

[Brian Stansberry (Jira)]

     [ https://issues.jboss.org/browse/WFLY-4144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian Stansberry resolved WFLY-4144.
------------------------------------
      Assignee: Brian Stansberry  (was: Jason Greene)
    Resolution: Out of Date


I'm going to resolve this as out of date, as I was able to rename the ExampleDS in standalone.xml (which is equivalent to adding a 2nd DS that uses the H2 driver and then removing the stock ExampleDS) and the server starts fine.

> Clarification on the semantics of the pre-installed ExampleDS
> -------------------------------------------------------------
>
>                 Key: WFLY-4144
>                 URL: https://issues.jboss.org/browse/WFLY-4144
>             Project: WildFly
>          Issue Type: Enhancement
>    Affects Versions: 8.2.0.Final
>            Reporter: Lukas Eder
>            Assignee: Brian Stansberry
>            Priority: Major
>
> I'm a new user of WildFly, and I've spent quite a while figuring out that I apparently shouldn't delete the ExampleDS from my server instance. Once I deleted it:
> - My own DataSources could no longer access the H2 driver
> - My applications could no longer access their own datasources (even unmanaged ones)
> - My applications could no longer be undeployed or redeployed
> The only workaround I found was to completely re-install the entire server.
> Now, I still don't completely understand the point of this ExampleDS, but I'll just leave it where it is and never touch it again. If this is some internal DataSource that is needed for JavaEE 7 compliance as suggested by Roberto Cortez in this Tweet:
> https://twitter.com/radcortez/status/539394425370443776
> ... then I would suggest completely hiding it from the Web Console UI and making it an internal system thing that I'm not going to be concerned with.



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