From Spring Native to Spring Boot 3

Today, we are finishing to transition the Spring support for building native executables from the experimental Spring Native project to the official Spring Boot GraalVM native image support. In practice, that means we are archiving the Spring Native GitHub repository and moving it to the...

Spring Tips: the road to Spring Boot 3: Spring Framework 6

Hi, Spring fans! In this installment, we begin a journey to Spring Boot 3, due end of November 2022. In this installment, well look - at a very high level - at some of the amazing features in Spring Framework 6, which underpins Spring Boot 3. Want to learn more about Spring Framework 6 and Spring...

This Week in Spring - October 11th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! I write this installment as I pack and prepare for my trip to Antwerp, Belgium, for the always-amazing Devoxx show in Antwerp, Belgium. Ive so missed this show over the pandemic and am so looking forward to returning. I hope ...

This Week in Spring - October 4th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! Its October 4th, 2022, and Im in Austin, TX, for the new version of show formerly known as the Kafka Summit, here to talk to folks about the amazing opportunities for Spring Boot and Apache Kafka. On the 12th, Ill be in...

Price Reduction - Azure Spring Apps does more, costs less!

We believe in providing the most innovative cloud offerings at incredibly competitive prices. As we operate Azure Spring Apps, we continue to build efficiencies and economies of scale. We are passing those efficiencies to you. Many customers have asked us to lower the size of the base unit to mak...

A Bootiful Podcast: Fellow Java Champion and TimescaleDB developer advocate Christoph Engelbert

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to fellow Java Champion and TimescaleDB developer advocate Christoph Engelbert @noctarius2k about PostgreSQL, Java, time series databases, observability, and so much more...

This Week in Spring - August 9th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you this fine Tuesday? Im in Kansas City for the Kansas City Developer Conference. Its a crazy fun show, and Im glad to be here. I only wish the rest of you were here, too! Weve got a packed This Week in Spring,...

This Week in Spring - May 10th, 2022

Hi, Spring fans! Im writing this from - I cant believe I get to say this - abroad! Im in London, UK! Now, this is not particularly noteworthy for those millions who already live here. But I dont live here. Im a visitor! I live in San Francisco. I had to fly here! On a plane! With other people!...

A Bootiful Podcast: Simon Ritter, Java Champion and deputy CTO at Azul

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Azul Deputy CTO and Javas own mad scientist and luminary Simon Ritter @speakjava...

A Bootiful Podcast: Cloud guru Tiffany Jernigan

Hi, Spring fans! In this installment, Josh Long @starbuxman talk about his first in-person conference since the pandemic descended upon us -the fabulous Devnexus 2022 show - and talks to colleague, teacher, friend, and Kubernetes legend Tiffany Jernigan @tiffanyfayj...

cve-2026-41728 - HIGH - Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objects and collections

cve-2026-41728 - HIGH - Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objects and collections...

cve-2026-41727 - MEDIUM - In Spring for Apache Kafka, forged retry topic headers subvert retry routing and backoff behavior

cve-2026-41727 - MEDIUM - In Spring for Apache Kafka, forged retry topic headers subvert retry routing and backoff behavior...

Create Self-Improving AI Agents Using Spring AI Recursive Advisors

The Spring AI ChatClient offers a fluent API for communicating with an AI model. The fluent API provides methods for building the constituent parts of a prompt that gets passed to the AI model as input. Advisors are a key part of the fluent API that intercept, modify, and enhance AI-driven...

This Week in Sprng - April 1st, 2025

Hi, Spring fans! Welcome to another exciting installment of This Week in Spring! It's April Fools day, so be wary of things you read on the internet, but it's also the 11th anniversary of Spring Boot 1.0, which was released this day in 2014! that's not an April Fools. Happy birthday! I'm in...

Hello DCO, Goodbye CLA: Simplifying Contributions to Spring

The Spring team will be rolling out a simplified contribution process that replaces the requirement to sign a Contributor License Agreement CLA with a Developer Certificate of Origin DCO. The process will start this week with Spring Framework, Spring Security, & Spring Boot and then roll out to t...

This Week in Spring - August 13th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's Tuesday and work is well underway to prepare for the huge SpringOne event in Las Vegas in just a few short week's time! I'm elated! So, let's get this roundup on the road so I can get back to the preparation frenzy...

This Week in Spring - June 18th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! I've just come from Paris, France, and now I'm in equally beautiful Krakow, Poland, for the amazing Devoxx PL event. We've got a ton of good stuff to dive into, so let's get going! In last week's installment of Spring Tips, I...

A Bootiful Podcast: Tagir Valeev, Fellow Java Champion and IntelliJ IDEA Java legend

Hi, Spring fans! In today's installment we talk to Tagir Valeev, a fellow Java Champion and IntelliJ IDEA Java legend. Also: don't forget to try out the just-released Spring Boot 3.3 release!...

This Week in Spring - May 21st, 2024

Welcome to another installment of This Week in Spring! It's been yet another amazing and exciting week and with it a bevy of new releases. And of course, in about a week's time, we will find ourselves at Spring IO, ready to show a lot of these new things. Will you be there? I will! Anyway, let's...

Spring Tips: Vector Databases with Spring AI

Hi, Spring fans! In this installment, we look at the amazing support for vector databases in Spring AI...

Spring Tips: Beans, Beans: What's in a Spring bean?

Hi, Spring fans! In this installment we explore the essential Spring bean. What are they, how are they created, and what do they mean to you?...

Spring Framework URL Parsing with Host Validation (3rd report)

Applications that use UriComponentsBuilder to parse an externally provided URL e.g. through a query parameter AND perform validation checks on the host of the parsed URL may be vulnerable to a open redirect attack or to a SSRF attack if the URL is used after passing validation checks. This is the...

A Bootiful Podcast: Joseph Ottinger and Andrew Lombardi on "Beginning Spring 6"

Hi, Spring fans! In this episode I'm joined by Java luminaries and Apress' Beginning Spring 6 authors Joseph Ottinger and Andrew Lombardi...

Spring Tips: Spring Batch Remote Partitioning, your easy button for data scale!

Hi, Spring fans! In this installment, Spring Developer Advocate Josh Long looks at how to use Spring Batch's remote partitioning support to easy-button your data processing scale out strategies. postgresql ai datascience data springboot java java21...

Spring Tips: the Spring Authorization Server: securing SPAs and messaging flows

hi, Spring fans! In this installment, we continue our look at the venerable Spring Authorization Server, this time looking at how to extend its use beyond just HTTP APIs, to secure single page applications and messaging flows with OAuth...

A Bootiful Podcast: Timefold Solver AI lead Geoffrey De Smet

Hi, Spring fans! In this installment, I talk to Timefold Solver AI lead Geoffrey De Smet about the amazing new integrations for Spring Boot developers...

A Bootiful Podcast: Spring creator Rod Johnson and Oracle vice president Heather VanCura

Hi, Spring and software fans! In this installment of the show we have Spring creator and investor Rod Johnson and Oracle vice president Heather VanCura on the show to talk about the premise of her new book - Developer Career Masterplan, coauthored with fellow Java luminary Bruno Souza: building...

This Week in Spring - October 10th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! Last week I was in Antwerp, Belgium, for the amazing Devoxx Belgium event, and this week I've been in Amsterdam for the SpringOne Tour Amsterdam stop and - in the middle of the SpringOne Tour Amsterdam event - I dipped out to...

A Bootiful Podcast: Spring Framework and Spring Boot legend Stéphane Nicoll on a Bootiful Podcast

Hi, Spring fans! Welcome to another installment of A Bootiful Podcast! In this installment, Josh Long talk to Spring team legend Stéphane Nicoll @snicoll about Spring Boot, Apache Maven and Gradle, his journey to the Spring team, and so much more. This episode was recorded live from beautiful...

A Bootiful Podcast: Java Developer Advocate Billy Korando on the latest and greatest in Java

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Java Developer Advocate Billy Korando, recorded live from the amazing Spring I/O show in Barcelona, Spain!...

A Bootiful Podcast: Dr. Amanda Martin, Gradle developer advocate

Hi, Spring fans! In this installment, Josh Long @starbuxman talks with Gradle developer advocate Dr. Amanda Martin @DrAmandaLMartin...

A Bootiful Podcast: Mario Fusco, the Drools rules engine project lead and fellow Java Champion

Hi, Spring fans! In this episode I talk to Drools lead Mario Fusco @mariofusco about the rules engine Drools and its integrations with Spring, Olivetti computers, and so much more...

A Bootiful Podcast: Microsoft's Brian Benz on the state of Java, Microsoft, Azure, and so much more

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Microsofts Brian Benz @bbenz...

A Bootiful Podcast: RabbitMQ engineer Arnaud Cogoluègnes on the new and novel in RabbitMQ

Hi, Spring fans! In this episode, Josh Long @starbuxman talks to RabbitMQ engineer Arnaud Cogoluègnes @acogoluegnes on the new and novel in RabbitMQ...

A Bootiful Podcast: Flowable founder Joram Barrez on a Bootiful Podcast on workflow, business process management, and more

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Flowable founder Joram Barrez @jbarrez about workflow, business process management BPM, decision management, rules, and so much more...

A Bootiful Podcast: Spring I/O founder, Spring trainer and community legend Sergi Almar

Hi, Spring fans! At long last, against all odds, Josh Long @starbuxman finally gets to talk to Spring I/O founder and more-than-a-decade-long friend Sergi Almar @sergialmar about an edition of Spring I/O after 2019!...

This Week in Spring - May 3rd, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you doin? Im excited! This week Im speaking at the ArabJUG, and Ill be speaking at Microsofts huuuge JDConf event. Both of these are virtual. Then, next Monday, Im on a plane bound for London, UK, where Ill be speakin...

This Week in Spring - April 12th, 2022 (Devnexus 2022 Edition!!)

This Week in Spring - Devnexus Edition Hi, Spring fans! Welcome to another installment of This Week in Spring - Im at my first in-person event since the virus: Devnexus! WOOHOOO!! Well, technically Im still in San Francisco as I write this, but Ill be in Atlanta, GA tomorrow for… Devnexus! I hope...

A Bootiful Podcast: Spring Boot legend Moritz Halbritter on the latest and greatest in Spring Boot 4 and 4.1

Hi Spring fans! Spring Boot 4.1 is here and with it a ton of amazing features. I'm delighted to have had the opportunity to sit down with Moritz Halbritter, of Spring Boot and Spring Initializr fame, to talk about some of the amazing features...

cve-2026-40998 - HIGH - Jaxp13 XPath XXE via StreamSource and SAXSource

cve-2026-40998 - HIGH - Jaxp13 XPath XXE via StreamSource and SAXSource...

cve-2026-40999 - HIGH - Spring WS SSRF via unvalidated WS-Addressing reply destinations

cve-2026-40999 - HIGH - Spring WS SSRF via unvalidated WS-Addressing reply destinations...

cve-2026-41008 - MEDIUM - Spring Security Authorization Server Open Redirect via request_uri

cve-2026-41008 - MEDIUM - Spring Security Authorization Server Open Redirect via requesturi...

cve-2026-40991 - MEDIUM - XML External Entity (XXE) injection when documenting untrusted XML content

cve-2026-40991 - MEDIUM - XML External Entity XXE injection when documenting untrusted XML content...

cve-2026-41726 - MEDIUM - In Spring for Apache Kafka, unbounded delegate cache keyed on user-controlled, potentially malicious selector header

cve-2026-41726 - MEDIUM - In Spring for Apache Kafka, unbounded delegate cache keyed on user-controlled, potentially malicious selector header...

This Week in Spring - June 2nd, 2026

Hi, Spring fans, and welcome to another momentous installment of This Week in Spring! A lot to get into this week, but let's first take some time to address the meta: where are the May releases? If you read our May 11th post, you know they've been delayed. We wanted to speak a bit more about why ...

Default security filter chain has no authorization rule with Actuator but without Health

In certain circumstances, Spring Boot's default web security is ineffective allowing unauthorized access to all endpoints. For an application to be vulnerable, it must: If any of the above does not apply, the application is not vulnerable...

This Week in Spring - January 27th, 2026

Hi, Spring fans! Welcome to another installment of This Week in Spring! As I write this, I cannot believe we're nearly at the end of the month! Time sure flies. Spring AI 2.0.0-M2 is available now Spring Modulith 2.1 M1, 2.0.2, and 1.4.7 released In last week's installment of A Bootiful Podcast ,...

Introducing Spring AI Agents and Spring AI Bench

I'd like to introduce two new projects that are part of the Spring AI Community GitHub organization: Spring AI Agents, and Spring AI Bench. These two projects focus on using agentic coding tools—tools you likely already have in your enterprise. In 2025 AI coding agents have matured to the point...

Prompt Engineering Techniques with Spring AI

This blog post demonstrates practical implementations of Prompt Engineering techniques using Spring AI. The examples and patterns in this article are based on the comprehensive Prompt Engineering Guide that covers the theory, principles, and patterns of effective prompt engineering. The blog show...

A Bootiful Podcast: Netflix’s Paul Bakker and Kavitha Srinivasan on scaling Spring Boot and Spring GraphQL

Hi, Spring fans! In this installment, I'm thrilled to be joined by Netflix's Paul Bakker and Kavitha Srinivasan, who explain how they're integrating and evolving Spring for GraphQL in their own GraphQL stack and how they're managing, growing, and evolving thousands of services written in Spring B...