Jackson XML appears not to be able to marshal a XML having a tag with a certain attribute whose name is also being used for the nested children tags ("occ", in the following case). Changing the name of the XmlAttribute "occ" or of the XmlElement "occ" makes it work. This is how I've annotated my Txt Class: And this is

Jackson XML marshal error when XmlAttribute and XmlElement have the same name

Jackson XML appears not to be able to marshal a XML having a tag with a certain attribute whose name is also being used for the nested children tags (“occ”, in the following case).

<root>
    <txt occ="1">
        <occ id="1">first element</occ>
        <occ id="2">second element</occ>
    </txt>
    <txt occ="2">
        <occ id="1">first element</occ>
        <occ id="2">second element</occ>
    </txt>
</root>

Changing the name of the XmlAttribute “occ” or of the XmlElement “occ” makes it work.

This is how I’ve annotated my Txt Class:

@XmlAccessorType(XmlAccessType.FIELD)
public class Txt {

@XmlAttribute(name="occ")
private String occ_attr;

@XmlElement(name="occ")
private List<Occ> occ = new ArrayList<Occ>();

//getters and setters not annotated

And this is how I’ve annotated the Occ class:

public class Occ {

@XmlAttribute
private String id;

@XmlValue
private String value;

//getters and setters not annotated

Answer

Apparently it’s an issue of the library. As of today, the issue hasn’t been solved yet:

https://github.com/FasterXML/jackson-dataformat-xml/issues/65

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Answer