I upgraded from JDK 6u3 to u5. I think u3 had JAXB 2.0, and it was upgraded to 2.1 for u5. So my issue is probably a JAXB 2.0 to JAXB 2.1 issue.
The problem is that I had one List XmlElement that was mapped to any of sub-classes using something like:
[code]
class AB {
}
@XmlRootElement
class A extends AB {
}
@XmlRootElement
class B extends AB {
}
@XmlRootElement
class Compound {
@XmlElements({
@XmlElement(type=a.class),
@XmlElement(type=b.class)
})
List<AB> getSubs() {
// return the list..
}
void setSubs(List<AB> newList) {
// set the list
}
}
[/code]
The generated xml is something like:
[code]
<Compound p="v">
<a p="v2"/>
<a p="v3"/>
<b p="v4"/>
</Compound>
[/code]
All was Okay, until the upgrade. I put a breakpoint when unmarshaling on the setList method, and the newList param to the method is an empty list. It used to be the list of AB objects a,a,b.
I tested the same code and xml again in u3, and it works. The same build (no recompilation) from u5 was used in u3.
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