A Bootiful Podcast: Microcks.io contributors Laurent Broudoux and Yacine-Kheddache

Hi, Spring fans! In this installment, I talk about the wide world of AI and then discuss microservice testing with Microcks.io contributors and founders Laurent Broudoux and Yacine-Kheddache. This was recorded live from Devoxx BE 2023!...

This Week in Spring - December 12th, 2023

Hi, Spring fans! Welcome to a new installment of This Week in Spring! We've got a ton of stuff to get into, so let's dive right in! Laur Spilca and I look at how to ugprade a Spring Security 5.x application to Spring Security 6.x. Apache SkyWalking with Sheng Wu and Apache ShardingSphere with...

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 - December 5th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! today, Spring Cloud, based on Spring Boot 3.2, goes GA! Don't miss this! I love this blog by Spring Framework legend Sébastien Deleuze on CDS with Spring Framework 6.1 I really enjoyed this discussion with Spring Security...

CDS with Spring Framework 6.1

As a follow-up to the Runtime efficiency with Spring blog post, I am happy to share that our exploration of Project Leyden optimizations has led to some interesting discoveries regarding the JDK's little-used CDS "Class Data Sharing" feature and has materialized into a new feature that we have be...

A Bootiful Podcast: Spring Security legend Laura Spilca joins us to talk Spring Authorization Server and upgrading to Spring Boot 3

Hi, Spring fans! This week, my first as an employee of Broadcom, I am joined by Spring Security community legend Laura Spilca and we talk about all things security, OAuth, and more...

This Week in Spring - 28 November, 2023

Hi, Spring fans! I hope everyone who celebrated Thanksgiving had a wonderful time. Did you indulge in too much turkey? Anyway, let's jump into this week's edition of This Week in Spring—a particularly special one for a couple of reasons. First, it's our first issue after the launch of Spring Boot...

CVE-2023-34053, CVE-2023-34055: Spring Framework and Spring Boot vulnerabilities

Updates 11-27 Blog posts updated to refer to the CVE reports published The Spring Framework 6.0.14 release shipped on November 16th includes a fix for CVE-2023-34053. The Spring Boot 2.7.18 release shipped on November 23th includes fixes for CVE-2023-34055. Users are encouraged to update as soon ...

Reactor Netty HTTP Server Metrics DoS Vulnerability

In Reactor Netty HTTP Server, versions 1.1.x prior to 1.1.13 and versions 1.0.x prior to 1.0.39, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service DoS condition. Specifically, an application is vulnerable if Reactor Netty HTTP Server built-in...

Spring Boot server Web Observations DoS Vulnerability

In Spring Boot versions 2.7.0 - 2.7.17, 3.0.0-3.0.12 and 3.1.0-3.1.5, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service DoS condition. Specifically, an application is vulnerable when all of the following are true:...

Spring Tips: Spring Boot 3.2

Hi, Spring fans! In this installment of Spring Tips, I look at the new Spring Boot 3.2 release, due to drop today, the 23rd of November 2023! 23-11-23! We're diving into the cool new features of Spring Boot 3.2 and Java 21. We'll explore how virtual threads from Project Loom make your code run...

A Bootiful Podcast: iText Creator Bruno Lowagie

Hi, Spring fans! We're releasing Spring Boot 3.2 today! And it's Thanksgiving in the USA Happy Thanksgiving!. So, we wanted to celebrate with an amazing episode, and so today's guest is opensource legend Bruno Lowagie. Enjoy!...

This Week in Spring - Spring Boot 3.2 edition - November 21st, 2023

Hi, Spring fans! Welcome to another epic installment of This Week in Spring! As amazing as the week's already been, it's all leading up to this Thursday - Thanksgiving day! - when we release Spring Boot 3.2! and yes, I am very grateful. This release is stuffed to the gills with a ton of new...

A Bootiful Podcast: Google Developer Advocate, Java legend, Alexis Moussine Pouchkine

Hi, Spring fans! Happy Thanksgiving to those who celebrate! Have you tried out Spring Boot 3.2? It comes out NEXT week on the 23rd! Get the bits and try them out now! This week I am joined by Google Developer Advocate, Java legend, Alexis Moussine Pouchkine...

Directory Traversal in Reactor Netty HTTP Server

In Reactor Netty HTTP Server, versions 1.1.x prior to 1.1.13 and versions 1.0.x prior to 1.0.39, a malicious user can send a request using a specially crafted URL that can lead to a directory traversal attack. Specifically, an application is vulnerable if Reactor Netty HTTP Server is configured t...

This Week in Spring - November 14th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's November 14th, and you know what that means? NINE MORE DAYS until Spring Boot 3.2 drops on the day of the US holiday of Thanksgiving, no less! Some key features include: virtual threads initial CRaC support more...

A Bootiful Podcast: Azul Deputy CTO Simon Ritter

Hi, Spring fans! In this week's installment I talk to Azul Deputy CTO Simon Ritter @speakjava, recorded live at Devoxx Belgium 2023!...

This Week in Spring - November 7th, 2023

Hi, Spring fans! Can you believe we've already turned the calendar page to November? Time sure is a swift developer, deploying months as if they were minor versions in an ever-evolving application. As we adjust our clocks to fall back, waving a reluctant goodbye to daylight savings time, the...

SSL hot reload in Spring Boot 3.2.0

In Spring Boot 3.2.0, we're adding the ability for embedded web servers to hot-reload SSL certificates and keys. That means you can rotate your SSL trust material without restarting your application. Hot reloading is supported for Tomcat and Netty embedded web servers. Let's see that in action!...

A Bootiful Podcast: GraalVM founder and Oracle vice president Thomas Wuerthinger

Hi, Spring fans! In this installment Josh Long talks to Oracle vice president Thomas Wuerthinger about the project he created and leads, GraalVM. This was recorded live from Devoxx Belgium 2023!...

This Week in Spring - October 31st, 2023

Hi Spring fans, and Happy Halloween from the Spring team to those who celebrate! I hope your evening is fun and your day free of scary bugs! My friends, we've got some interesting stuff to look at this week so let's dive right into it. A Bootiful Podcast: Mr. Spring in Action, Craig Walls Spring...

What new is coming in reactor-core 3.6.0?

Reactor 3.6.0 is coming and going to be GA on November 14. This blogpost describes new features that are included in this upcoming release! Virtual Threads support Today, everyone talks about Java 21 and Project Loom. The Project Reactor team hears that and sees value in that project within our...

A Bootiful Podcast: Mr. Spring in Action, Craig Walls

Hi, Spring fans! This week, I'm joined by one of my longtime heroes and fellow Disney fans, Craig Walls @habuma. He wrote the most popular book on Spring, Spring in Action, while helping the world stay connected with efforts like Spring Social. This episode was recorded live at SpringOne 2023, in...

A Use Case for Transactions: Outbox Pattern Strategies in Spring Cloud Stream Kafka Binder

Other parts in this blog series Part 1: Introduction to Transactions in Spring Cloud Stream Kafka Applications Part 2: Producer Initiated Transactions in Spring Cloud Stream Kafka Applications Part 3: Synchronizing with External Transaction Managers in Spring Cloud Stream Kafka Applications Part ...

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...

A Bootiful Podcast: VMware vice president Betty Junod

Hi, Spring fans! In this installment Josh Long talks to VMware vice president Betty Junod about VMware, its amazing ecosystem, and so much more...

This Week in Spring - October 17th, 2023

Hi, Spring fans! Welcome to yet another installment of This Week in Spring! It's October 17th, 2023, and I am here in Montreal, Canada, and then I'm off to Salt Lake City, Utah on Thursday for the Java User Group there. Don't miss it! We've got a lot to cover this week so let's dive right into it...

Runtime efficiency with Spring (today and tomorrow)

With Spring Framework 6.1 and Spring Boot 3.2 general availability approaching, we would like to share an overview about several efforts the Spring team is pursuing to allow developers to optimize the runtime efficiency of their applications. We are going to cover the following technologies and u...

Apache Kafka’s Exactly-Once Semantics in Spring Cloud Stream Kafka Applications

Other parts in this blog series Part 1: Introduction to Transactions in Spring Cloud Stream Kafka Applications Part 2: Producer Initiated Transactions in Spring Cloud Stream Kafka Applications Part 3: Synchronizing with External Transaction Managers in Spring Cloud Stream Kafka Applications Part ...

A Bootiful Podcast: Java Language Architect Brian Goetz

Hi, Spring fans! Are you using Java 21 in production already? No? you should listen to this episode. Yes? Then you should listen to this episode! This week, Josh Long talks to legendary Java Language Architect Brian Goetz @BrianGoetz recaping the latest-and-greatest and previewing Java.next...

Transactional Rollback Strategies with Spring Cloud Stream and Apache Kafka

Other parts in this blog series Part 1: Introduction to Transactions in Spring Cloud Stream Kafka Applications Part 2: Producer Initiated Transactions in Spring Cloud Stream Kafka Applications Part 3: Synchronizing with External Transaction Managers in Spring Cloud Stream Kafka Applications In th...

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 Data legend Greg Turnquist on optimizations and queries and more

Hi, Spring fans! In this installment, we'll talk to Spring Data legend Greg Turnquist @gregturn about the incredible next-level optimizations and query enhancements, the work in general, and so much more. Recorded live at SpringOne 2023 in Las Vegas!...

Synchronizing with External Transaction Managers in Spring Cloud Stream Kafka Applications

Other parts in this blog series Part 1: Introduction to Transactions in Spring Cloud Stream Kafka Applications Part 2: Producer Initiated Transactions in Spring Cloud Stream Kafka Applications In the previous part of this blog series, we saw the basics of transaction management, primarily when...

This Week in Spring - October 3rd, 2023

Hi Spring fans! Welcome to another installment of This Week in Spring! How're you doin'? I've just flown in from Singapore - where I was keynoting and presenting at SpringOne Singapore - and am now in Antwerp, Belgium for the deliriously fun Devoxx Belgium show. I've missed this show, and it's a...

A Bootiful Podcast: Spring AI lead Dr. Mark Pollack

Hi, Spring fans! In this episode I talk to Dr. Mark Pollack, lead of the new Spring AI project. This episode was recorded live at SpringOne at VMware Explore 2023, in Las Vegas...

Producer Initiated Transactions in Spring Cloud Stream Kafka Applications

Other parts in this blog series Part 1: Introduction to Transactions in Spring Cloud Stream Kafka Applications This article is part 2 of the blog series in which we look at transactions in detail with Spring Cloud Stream and Apache Kafka. We saw a general introduction to transactions in the...

Introduction to Transactions in Spring Cloud Stream Kafka Applications

We are starting a new blog series that focuses on working with transactions in Spring Cloud Stream Kafka applications. This blog series covers many low-level details of writing transactional applications with Spring Cloud Stream and Apache Kafka. By the end of this blog series, we hope to give yo...

This Week in Spring - September 26th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you? It's September 26th, 2023, and I am in sunny Singapore for SpringOne at VMWare Explore Singapore. If you're around, don't forget to say hi! It's gonna be a fun and busy week in Singapore, and then next week I'm o...

Paketo Buildpacks Bionic End Of Support

The Spring Boot plugins for Maven and Gradle provide the ability to build Docker images using Cloud Native Buildpacks. By default, Spring Boot uses the CNB builders provided by the Paketo Buildpacks project. What's Changed The Paketo Buildpacks project has announced that Ubuntu 18.04 Bionic-based...

Simplified Event Externalization with Spring Modulith

Transactional service methods are a common pattern in Spring applications. These methods trigger a state transition important to the business. This usually involves a core domain abstraction, such as an aggregate and its corresponding repository. A stereotypical example of such an arrangement mig...

A Bootiful Podcast: Java community legend Sharat Chander

Hi, Spring fans! Java 21 is out and in order to celebrate, I talk to Java community legend Sharat Chander...

Hello, Java 21

Hi, Spring fans! Get the bits Before we get started, do something for me quickly. If you haven’t already, go install SKDMAN. Then run: sdk install java 21-graalce && sdk default java 21-graalce There you have it. You now have Java 21 and graalvm supporting Java 21 on your machine, ready to go. Ja...

Spring Tips: Making the joyful jump to Java 21

Hi, Spring fans! Java 21 and GraalVM supporting Java 21 are at long last here! It's been a long time in coming, but Java 21 - which comes out later today on the 19th of September, 2023 - brings with it some of the most exciting new features of any Java release. In this video, I will look at some ...

This Week in Spring - September 19th, 2023 (Java 21 Edition)

Hi, Spring fans! Welcome to another installment of This Week in Spring - Java 21 edition! The big news, indeed, the biggest news, is that Java 21 is now available here! You should use SDKMAN to install it, like this: sdk install java 21-graalce && sdk default java 21-graalce. This install givews...

Exposure of data and identity to wrong session in Spring for GraphQL

A batch loader function in Spring for GraphQL versions 1.1.0 - 1.1.5 and 1.2.0 - 1.2.2 may be exposed to GraphQL context with values, including security context values, from a different session. An application is vulnerable if it provides a DataLoaderOptions instance when registering batch loader...

This Week in Spring - September 12th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you this fine 12th of September? I'm doing alright, elated, even. I've just returned from beautiful Oslo, Norway, and I've got a busy 30 days or so ahead, starting today. I'm visiting Seattle, WA; Mexico City, Mexico;...

All together now: Spring Boot 3.2, GraalVM native images, Java 21, and virtual threads with Project Loom,

This has been a very long time in coming, but finally we can create GraalVM native images that use Spring Boot via Spring Boot 3.2 and Java 21's virtual threads Project Loom! Why does all this matter? Each of these individual things, Project Loom, and GraalVM native images, offer compelling runti...

A Bootiful Podcast: Spring Security lead Rob Winch

Hi, Spring fans! Welcome to another installment of a Bootiful Podcast. In this interview, Josh Long @starbuxman talks to Spring Security legend and lead Rob Winch @robwinch, recorded live from SpringOne 2023!...

This Week in Spring - September 5th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you? I just got back from another fabulous labor day weekend, and am headed to Oslo, Norway, for the fabulous JavaZone 2023 event. This will be my first time returning to lovely Oslo, Norway, since the pandemic! I can...