A Bootiful Podcast: Oracle Developer Advocate Andres Almiray

Hi, Spring fans! In this installment I talk to Oracle developer advocate Andres Almiray about the latest-and-greatest in the amazing Oracle database. Oracle SQL Java JConf...

This Week in Spring - October 24th, 2023

Hi, Spring fans! This week I'm in Lisbon, and Porto, Portugal, ahead of the Porto Tech Hub event in Porto, and my tour bus is about to leave! So, let's dive right into it! Spring Authorization Server 1.1.3, 1.0.4 and 0.4.4 available now Spring Authorization Server 1.2.0-RC1 available now Spring...

This Week in Spring - May 9th, 2023

Hi, Spring fans! Welcome to another wonderful, fancyful installment of This Week in Spring! I was just at the first Devoxx GR, in the sunny mediterranean city of Athens, Greece. Uh, yah, this was a good'un. If you can get to it, you should. Don't miss next year's installment if you missed this on...

Spring Modulith 0.3 released

Hot on the heels of Spring Boot 3.0.2, I am excited to announce the 0.3 release of Spring Modulith. The release is packed with improvements. We have tweaked a couple of things that might require your attention and a couple of adapting changes to your code. The most notable changes are: GH-114 – W...

A Bootiful Podcast: the good Dr. David Syer on the new and novel in Spring and Kubernetes

Hi, Spring fans! In this installment, Josh Long talks to Spring Boot and Spring Cloud luminary, the good Dr. @DavidSyer, about the latest and greatest on Spring and Kubernetes...

Spring Office Hours Podcast: S5E13 - Community Potluck

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this Potluck episode, Dan and DaShaun open up the floor to the community, answering your questions on Spring Boot, Spring AI, Spring Security, and whatever else is on your mind. Potluck episodes are shaped...

Spring AI Agentic Patterns (Part 7): Session API — Event-Sourced Short-Term Memory with Context Compaction

A New Session API for Spring AI — Structured, Compactable, Multi-Agent-Ready Part 7 of theSpring AI Agentic Patterns series completes the memory picture. After covering Agent Skills, AskUserQuestionTool, TodoWriteTool, Subagent Orchestration, A2A Integration, and AutoMemoryTools for long-term...

Spring Office Hours Podcast: S5E12 - Developer Soft Skills with Arun Gupta

Join Dan Vega and DaShaun Carter for another essential update from the Spring ecosystem. In this episode, the guys are joined by DevRel and Java legend Arun Gupta to discuss a topic often overlooked but vital for career longevity: soft skills for developers. Drawing from his decades of experience...

This Week in Spring - April 7th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! It's April 7th, 2026, and I'm on the road! I started the journey for the amazing Voxxed Days Amsterdam show and am now winding my way through France. I visited Colmar, a beautiful city from which the animators on Disney's Beau...

A Bootiful Podcast: Java developer advocate Ana-Maria Mihalceanu

I had a wonderful chat with Java Developer Advocate Ana-Maria Mihalceanu about Java Flight Recorder, Project Babylon, Project Panama, and so many other exciting things in the Java ecosystem...

A Bootiful Podcast: Spring Messaging Legend Soby Chacko

Hi, Spring fans! In this installment, we talk with the legendary Soby Chacko about Apache Kafka, Spring AI, and much more! apachekafka kafka...

This Week in Spring - February 17th, 2026

Hi, Spring fans! Welcome to another rip-roaring installment of This Week in Spring! It's Lunar New Year or Chinese New Year for billions of people around the world and to those who celebrate, Happy Chinese/Lunar New Year 新年快乐! Or Happy Spring Festival 春节快乐! My favorite kind of festival! In honor ...

A Bootiful Podcast: Jonatan Ivanov on how to measure all the things with Micrometer

Hi, Spring fans! This week we catch up with the observably awesome Jonatan Ivanov on how to measure all the things with Micrometer...

This Week in Spring - January 13th, 2026

Hi, Spring fans, and welcome to another installment of This Week in Spring! It's the 13th of January, 2026, and it's been quite the week indeed! Let's dive right into it! Nobody, and I mean nobody , asked. So I put together a video on how to use Spring WS to build SOAP-based services in 2026. Hey...

A Bootiful Podcast: Spring Security lead Rob Winchon Spring Security 7

Hi, Spring fans! In this installment, I have the privilege of sitting down and talking to the legendary Rob Winch, lead of Spring Security, Spring Session, and the amazing Testjars project...

A Bootiful Podcast: Apache Tomcat legend Mark Thomas (Happy new year!)

In this episode, I talk with Mark Thomas, the legendary and highly prolific committer to Apache Tomcat. Happy New Year!...

A Bootiful Podcast: Dan Vega on the fundamentals of software engineering

Hi, Spring fans! I'm so excited to chat with fellow Spring developer advocate Dan Vega about his new book, Fundamentals of Software Engineering...

This Week in Spring - December 2nd, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring. By mistake, I inadvertently published older content in this installment, then tried to fix it and ended up re-publishing the same content. And, what's worse, I somehow ended up deleting the draft I had written for this...

This Week in Spring - Spring Boot 4 edition! - November 25th, 2025

Hi, Spring fans! Welcome to another illustrious installment of This Week in Spring! It’s Thanksgiving week here in the United States. Thanksgiving is traditionally celebrated with friends and family every fourth Thursday of November, gathered around a table full of food and, usually, a giant...

This Week in Spring - November 18th, 2025

This Week in Spring - November 18th, 2025 Hi, Spring fans! I'm thrilled to be in New York City for an exciting week of joint presentations on Spring AI + Bedrock and Spring Boot with the legendary James Ward. First up: we'll present a workshop at the AI Native Dev Conf today, then speak at the...

LLM Response Evaluation with Spring AI: Building LLM-as-a-Judge Using Recursive Advisors

The challenge of evaluating Large Language Model LLM outputs is critical for notoriously non-deterministic AI applications, especially as they move into production. Traditional metrics like ROUGE and BLEU fall short when assessing the nuanced, contextual responses that modern LLMs produce. Human...

AWS Bedrock Prompt Caching Support in Spring AI

In our previous blog post about Anthropic prompt caching, we explored how prompt caching dramatically reduces API costs and latency by reusing previously processed prompt content. We introduced Spring AI's five strategic caching patterns for Anthropic Claude models and showed how they automatical...

A Bootiful Podcast: Oracle VP and GraalVM founder Thomas Weurthinger

Hi, Spring fans! In this installment I talk to Oracle VP and GraalVM founder Thomas Weurthinger, recorded at Devoxx 2025!...

Introducing Share Consumer Support (Kafka Queues) in Spring for Apache Kafka

Continuing our Road to GA series, this week we're exploring Share Groups in Apache Kafka 4.0.0 and their integration in Spring for Apache Kafka 4.0.0 - a feature that fundamentally expands how we can consume messages from Kafka topics. When we first start working with Kafka, the mental model is...

This Week in Spring: September 30th, 2025

Hi, Spring fans! As I write this I am about to board a flight for Colorado for the amazing Dev2Next conference! I'll be in Antwerp, Beglium for the amazing Devoxx event next week, and I'll be speaking at the Amsterdam JUG with James Ward on the Thursday after that, too! If you're around, be sure ...

This Week in Spring - September 23rd, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm preparing my talks for several amazing shows including: Commit Your Code conference in Plano, Texas starting tomorrow; Dev2Next in Colorado; Devoxx Belgium in Antwerp, Belgium; and CloudFoundry Days in Germany. So much go...

This Week in Spring - September 9th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! I am home, ensconced in my studio here in somewhat sunny San Francisco, California, relaxing and trying to catch up on stuff I missed. As always, there's a ton! So let's dive right into it. Some of the amazing features that...

This Week in Spring - September 2nd, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm in Frankfurt, awaiting my flight to the Java-tastic Javazone 2025 event where I'll be joined by the legendary James Ward to deliver an AI-focused look at the latest-and-greatest in Spring! And I'm still recovering from th...

A Bootiful Podcast: JobRunr founder Ronald Dehuysser on what's new in version 8

Hi, Spring fans! In this installment, fresh after an exciting and exhausting SpringOne 2025, I am thrilled to have talked with JobRunr founder Ronald Dehuysser on what's new in version 8.0.0. Learn more about JobRunr v8 here!...

This Week in Spring - August 26th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm writing this from the floor of SpringOne, live from lovely Las Vegas! As you can imagine, I've got to get back into it, so we'll make this one a quick one. And if you're here, be sure to say "hi"! In last week's A Bootifu...

This Week in Spring - August 19th, 2025

Hi, Spring fans! Welcome to another extra special installment of This Week in Spring - special because the next installment will be delivered from the floors of the Ventian where the extraordinairily awesome SpringOne 2025 event will take place! So, some poetry: T’was the Week Before SpringOne...

A Bootiful Podcast: Andrew Lombardi, Beginning Spring AI co-author, and friend of the show

Hi, Spring fans! In this installment I am thrilled to talk to my longtime friend Andrew Lombardi about the latest-and-greatest, his new book Beginning Spring AI , and more...

This Week in Spring - July 29th, 2025

It's the end of July! JULY! The seventh month of the year, done and dusted! AHHHHH! I've got memories of being on a tropical beach over the winter holidays, sipping rum and dodging mosquitoes like I was doing a rhythmic gymnastics routine just recently. It turns out that was seven months ago, not...

A Bootiful Podcast: José Paumard, Java developer advocate and professor

Hi, Spring fans! In this installment, recorded at Devoxx UK 2025, I talk to the legendary professor of computer science and legend José Paumard about Java, the ecosystem, and more,...

A Bootiful Podcast: Dr. Heinz Kabutz, a legendary Java Champion, teacher, and author of the Java Specialists newsletter!

Hi, Spring fans! In this installment, I talk to Dr. Heinz Kabutz, a legendary Java Champion, trainer, teacher, and author of the Java Specialists newsletter! This episode was recorded live at Devoxx UK 2025...

This Week in Spring - June 17th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! We're in the middle of June already! And you know what that means? Warm weather, fun, and of course: the amazing SpringOne event in lovely Las Vegas, NV! The content catalog went live today! I'll be there doing, among other...

A Bootiful Podcast: This Week in Spring (AI) - May 20th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! As I write this, I'm in sunny Stockholm, Sweden for the JForum 123 installment. This is, apparently, the first time the meetup is completely full up since before the pandemic, with more than 150 people in attendance! Tak,...

This Week in Spring - April 15th, 2025

Spring AI M7 is here! This new release includes a bunch of awesome new features! And some refactorings. Notably that the Spring AI auto-configuration has changed from a single monolithic artifact to individual auto-configuration artifacts per model, vector store, and other components. This change...

This Week in Spring - February 4th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's February 4th, 2025, as I write this. We are ten days away from Valentine's day, and about a month away from Devnexus. Lots to look forward to, in both the short term and the long term! Let's dive right into this week's...

This Week in Spring - December 10th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! As I write this I am in the southern hemisphere it's summer down here!, in Brisbane, waiting to board a plane for Sydney. It's been a ton of fun! I did a video looking at the latest-and-greatest in Spring Framework 6.2 - chec...

A Bootiful Podcast: engineer, CTO, teacher, and pilot Ken Sipe

Hi, Spring fans, JVM enjoyers, and cloud natives! Have I got a treat for you today! We're going to be talking to my longtime pal Ken Sipe. groovy java kotlin go rust spring jvm...

A Bootiful Podcast: Baruch Sadogursky on Gradle, Java, developer productivity, and more

Hi, Spring fans! In this installment, I talk to legendary Gradle Developer Productivity Engineering guru formerly of JFrog and hero to the JVM-language community, Baruch Sadogursky, recorded live from Dr. Venkat Subramaniam's amazing conference, Dev2Next 2024!...

A Bootiful Podcast: GraalVM founder and BDFL Thomas Wuerthinger on GraalPy, GraalVM, and so much more

Hi, Spring fans! In this installment I talk to GraalVM founder and benevolent dictator for life Thomas Wuerthinger, recorded live from Devoxx Belgium 2024!...

A Bootiful Podcast: New York Java SIG chair and founder Frank Greco on community, AI, and more

Hi, Spring fans! In this installment, I talk to New York Java SIG chair and founder Frank Greco about AI, safety, Java, community, and more!...

From Spring Framework 6.2 to 7.0

Dear Spring community, Spring Framework 6.2 is shaping up for general availability in November 2024, with particularly significant revisions in the core container and in our web support: see "What's New in Spring Framework 6.2". This release is designed for use with JDK 17-23 and Jakarta EE 9-10...

This Week in Spring - September 24th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm in delightful Dallas, TX, at the amazing JConf.dev show. Then I'm off to Germany, and then back home to do some laundry before heading out to Denver, CO, for the amazing Dev2Next show, before then heading out to Belgium f...

A Bootiful Podcast: Hadi Hariri, Jetbrains legend

Hi Spring and Kotlin fans! In this installment, I have the privilege of talking to my old friend and JetBrains legend Hadi Hariri, recorded live from Kotlin Conf 2026 in Munich, Germany! kotlin jvm java springboot...

This Week in Spring - May 5th, 2026

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's May 5th, 2026, and I'm in Mainz, Germany, for the legendary JAX conference! It's been infinitely far too long since I've been at this amazing show, and I'm oh-so happy to be back here! Tonight, after my two talks here, I...

A Bootiful Podcast: A Bootiful Podcast: Dr. Venkat Subramaniam and James Ward on Intelligent Kotlin and So Much More

I am beyond thrilled that I got to co-present with two legends, Dr. Venkat Subramaniam and James Ward, at Voxxed Days Amsterdam, and even more so that they both sat down for a quick discussion with me right before that presentation. Enjoy!...

This Week in Spring - April 21st, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! What a week it's been since we last talked. I was in Barcelona, Spain, for the amazing Spring I/O event there. It has become my favorite show, full stop. Just such an amazing experience. So many wonderful things going on there...