Loading classes like Xpp3Dom within a plugin suffers from PLX-392.
[plexus-classworlds] Class loading from ClassRealm fails if ClassRealm is used as parent for ordinary class loaders
3.0-alpha-1 release: get the core ITs passing
IT is online.
Benjamin, is this still an issue?
No, as long as you are willing to switch Maven to <classWorldsVersion>1.3-SNAPSHOT</classWorldsVersion>. I locally replaced the plexus-classworlds-1.2 in the distro with 1.3-SNAPSHOT and the IT passed.
Fixed in r719922 by updating to plexus-classworlds:1.3.