readTree can't parse an xml with a collection of elements with the same tag (UPDATE can in 2.12+)

Hi, this seems such a basic functionality that I must have missed something in the configuration of the XmlMapper.

I am trying to parse something like this:

<foo>
    <bars>
        <bar id="one">bar one</bar>
        <bar id="two">bar two</bar>
        <bar id="three">bar three</bar>
        <bar id="four">bar four</bar>
        <bar id="five">bar five</bar>
    </bars>
</foo>

It seems like only the last ’ bar five’ gets parsed, which indicates that an hashmap has been used to collect the tags rather than an array.

Here’s a simple test to reproduce the problem:

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import org.junit.Test;

import java.io.IOException;

import static org.junit.Assert.assertEquals;


public class JacksonXMLTest {

    private String xml =
            "<foo>\n" +
            "\t<bars>\n" +
            "\t\t<bar id=\"one\">bar one</bar>\n" +
            "\t\t<bar id=\"two\">bar two</bar>\n" +
            "\t\t<bar id=\"three\">bar three</bar>\n" +
            "\t\t<bar id=\"four\">bar four</bar>\n" +
            "\t\t<bar id=\"five\">bar five</bar>\n" +
            "\t</bars>\n" +
            "</foo>";

    @Test
    public void itDoesntWork() throws IOException {
        XmlMapper xmlMapper = new XmlMapper();
        JsonNode jsonNode = xmlMapper.readTree(xml);

        assertEquals(5, jsonNode.findValues("bar").size());
    }
}

built with

compile('com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.6.3')

Is there something specific to setup in the JacksonXmlModule to get it working? Or this sort of XML format is just not supported?

Thanks in advance

[cawena]

                JSONObject xmlJsonObj = XML.toJSONObject(YourXMLString);
                String jsonPrettyPrintString = xmlJsonObj.toString(PRETTY_PRINT_INDENT_FACTOR);
                JsonNode jsonNodeNew = mapper.readTree(jsonPrettyPrintString);

[cowtowncoder]

Note: Jackson version 2.12 DOES allow reading of duplicate elements with readTree(). (also works for nominal type of java.lang.Object, so-called “untyped” binding).