Java XML Parsing Issue - Namespace Handling with JAXB in Java 11
I'm getting frustrated with Quick question that's been bugging me - I've been working on this all day and I'm stuck on something that should probably be simple..... I'm currently dealing with an XML response that includes namespaces, and I'm having trouble unmarshalling it correctly using JAXB in Java 11. The XML I receive looks like this: ```xml <ns:root xmlns:ns="http://example.com/ns"> <ns:item> <ns:name>Item 1</ns:name> <ns:price>10.00</ns:price> </ns:item> <ns:item> <ns:name>Item 2</ns:name> <ns:price>20.00</ns:price> </ns:item> </ns:root> ``` I have the following model classes set up to represent this XML structure: ```java import javax.xml.bind.annotation.XmlElement; import javax.xml.bind.annotation.XmlRootElement; import javax.xml.bind.annotation.XmlType; @XmlRootElement(name = "root", namespace = "http://example.com/ns") @XmlType(name = "root", namespace = "http://example.com/ns") public class Root { private List<Item> items; @XmlElement(name = "item", namespace = "http://example.com/ns") public List<Item> getItems() { return items; } public void setItems(List<Item> items) { this.items = items; } } @XmlType(name = "item", namespace = "http://example.com/ns") public class Item { private String name; private double price; @XmlElement(name = "name", namespace = "http://example.com/ns") public String getName() { return name; } public void setName(String name) { this.name = name; } @XmlElement(name = "price", namespace = "http://example.com/ns") public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } } ``` When I try to unmarshal the XML using the following code: ```java import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Unmarshaller; import java.io.StringReader; public class Main { public static void main(String[] args) throws JAXBException { String xml = "..."; // XML string from above JAXBContext context = JAXBContext.newInstance(Root.class); Unmarshaller unmarshaller = context.createUnmarshaller(); Root root = (Root) unmarshaller.unmarshal(new StringReader(xml)); System.out.println(root.getItems().size()); } } ``` I receive the following error: ``` javax.xml.bind.UnmarshalException: unexpected element (uri:"http://example.com/ns", local:"item") ``` I double-checked the namespace definitions in both the XML and the Java classes, and they seem to match perfectly. I've verified that the JAXB context is correctly initialized and that the XML string is being read as expected. What could I be missing here? Is there something specific about namespace handling in JAXB that I need to be aware of, especially with collections like `List<Item>`? I'm working on a application that needs to handle this. Thanks for your help in advance! My development environment is Linux. Thanks for your help in advance! I'm coming from a different tech stack and learning Java. Am I approaching this the right way?