Spring Boot Xml Serialization with Jackson

In this video I show how to work with XML serialization in Spring Boot using Jackson, and how to configure an application so Java objects can be converted to XML cleanly and predictably. I focus on the practical setup, the annotations that matter, and the way Spring Boot handles request and response bodies when XML is part of the API contract. If you already use JSON in Spring Boot and want to support XML as well, this walkthrough helps you understand what changes are needed and what stays the same. I cover the role of Jackson XML support, how serialization and deserialization behave with normal POJOs, and how to shape the XML output so it matches the structure expected by another system. I go through the dependencies and configuration needed to enable XML processing in a Spring Boot project, then I show how model classes can be mapped for XML responses. This includes common concerns such as naming elements, handling root nodes, controlling wrapped and unwrapped collections, and making sure the generated payload is compatible with external consumers. I also touch on how Spring chooses message converters and what that means when your controller needs to return XML instead of JSON. A specific technical use case for this is an enterprise integration where a Spring Boot service must send order status updates to a legacy warehouse management platform that only accepts XML payloads over HTTP. In that kind of scenario, it is not enough to simply expose a REST endpoint. The XML structure often has to follow a predefined schema, with exact element names, nested lists, and required root elements. Using Jackson XML in Spring Boot makes it possible to keep the normal controller and service architecture while still producing XML that fits the contract expected by the warehouse system. The same approach can also be used for partner integrations, financial systems, telecom APIs, and older B2B platforms that still rely heavily on XML. I also show how this fits into real API development, where one application may need to consume XML from another service, map it into Java objects, process the data, and then return XML again. That makes XML support important not just for output formatting, but also for interoperability across systems that are built on different technology stacks. If you are integrating with SOAP-adjacent services, vendor platforms, or regulated environments where XML remains the standard, this setup is especially useful. This video is useful for Java developers, backend engineers, and Spring Boot learners who want to understand XML serialization beyond the basic JSON defaults. If you have ever run into issues where your XML response does not match the expected structure, where list items are wrapped incorrectly, or where the root element name is wrong, this walkthrough helps clarify the pieces involved. I keep the focus on implementation details that are relevant in day-to-day backend development. Topics covered in the video include Spring Boot XML support, Jackson dataformat XML setup, object to XML serialization, XML request and response handling, controller behavior, model annotations, and practical API integration patterns. The goal is to make it easier to build services that can participate in XML-based communication without abandoning the convenience of Spring Boot and Jackson. If you are building APIs that need to support both JSON and XML, integrating with older enterprise software, or preparing for interview and project work involving Spring Boot data formats, this video gives a clear example of how to approach XML serialization in a modern Java application. #springboot #xmlserialization #jacksonxml #java #restapi #backenddevelopment #springframework