As stated in the title I want to ignore casing of element names in a document.
static class XY433 { @XmlAttribute(name = \"C200\") String c200; @
Encounter the similar problem. My solution is to add @XmlAdpater on the model entity, which refers to your own XMLAdapter, this would give a flexible customization on the marshall/unmarshall.
@XmlAdpater
XMLAdapter