XmlJavaTypeAdapter not being detected

Question

Hopefully an easy one for JAXB experts:

I am trying to marshal an immutable class that does not define a default no-arg constructor. I have defined an

Answer 1

I know that this is not the case, but if you have such an error when you put @XmlJavaTypeAdapter for the field - check that you specified the namespace. You may need it.

In my case this didn't work:

@XmlElement(name = "Expiration")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date expiration;

until a namespace has been specified:

@XmlElement(name = "Expiration", namespace="http://site/your.namespace")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date expiration;