[jboss-jira] [JBoss JIRA] (WFCORE-1311) WFCORE-893 Fix breaks mixed-domain

[Brian Stansberry (JIRA)]

Brian Stansberry created WFCORE-1311:
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             Summary: WFCORE-893 Fix breaks mixed-domain
                 Key: WFCORE-1311
                 URL: https://issues.jboss.org/browse/WFCORE-1311
             Project: WildFly Core
          Issue Type: Bug
          Components: Domain Management, Remoting
    Affects Versions: 2.0.7.Final
            Reporter: Brian Stansberry
            Priority: Critical
             Fix For: 2.0.8.Final


The WFCORE-893 fix breaks mixed-domain use cases by adding subsystem=io if its not present. That's ok for standalone, but in a domain it means a subsystem not understood by legacy slaves will get added into profiles used by those slaves. Which will fail.

I've considered doing some sort of transformer trick to discard this subsystem if its config is default, but I suspect it's better to just not do the WFCORE-893 thing on the DC.

Discarding might be ok if we just do a resource transformer discard but reject all ops thereafter. Idea being that if the io config is default, matching what legacy slaves did, then we let the slave boot. Then any subsequent op must be either pointless or moving away from default, and must be rejected.

But still, just not doing the WFCORE-893 thing on the DC is probably better. Or at least simpler right now.



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