Micronaut Uncategorized

Today, we are announcing that the Micronaut framework is applying to join the Commonhaus Foundation. This is an exciting new step in the Micronaut project’s journey, and we’re looking forward to the opportunity to continue innovating with our community under the Commonhaus Foundation banner. As is customary at the turn of a new year, we’d...

Micronaut HTTP Server Netty 4.9 introduces a new, experimental “loom carrier mode” for the Netty event loop. This prototype uses internal JDK APIs to run virtual threads directly on the event loop, under control of the framework. Our goal is to provide performance characteristics comparable to reactive code, with the convenience and “safety net” that...

The Micronaut Foundation is excited to announce the release of Micronaut framework 4.7.2! It contains patch releases of Core, GCP, Data, Test, and Oracle Cloud. NEXT STEPS If you haven’t yet updated to Micronaut framework 4, this is an excellent opportunity to do so! Please feel free to reach out to us if you need...

The Micronaut Foundation is happy to announce that you can follow us on Mastodon at fosstodon.org/@micronaut. With the Micronaut framework being an open-source project, we chose Fosstodon as the Mastodon instance. Fosstodon is a Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software. Mastodon is an...

Micronaut framework is so fortunate to have an engaging community with many supportive contributors. Micronaut Core alone has close to 400 contributors. As a contributor to the Framework, the signature of a Contributor License Agreement is required. With the recent partnership between Micronaut Foundation with Unity Foundation, we are updating our Contributor License Agreement. Please...

Moving to Discord The Micronaut Foundation has decided to make a switch and move our chat community to a new platform. Effective immediately, we are moving the community chat from Gitter to Discord. Why are we moving to Discord? Discord provides an improved desktop app experience, better-structured conversations, enhanced notifications, etc. Thus, it gives the...

The Micronaut team has assembled a new set of OpenRewrite recipes to make upgrading from Micronaut Framework 3 to Micronaut Framework 4 quick and straightforward. These recipes automate as much as possible from our previous “Upgrade To Micronaut Framework 4” post. The recipes will be continually updated whenever we discover new upgrade steps. Upgrading a Gradle Application...

When you develop a Micronaut application, you write .java, .kt, or .groovy files. Through this article, I refer to those files as source code. The Java compiler compiles source code into a new document suffixed .class, coded into Java bytecode. The compiled bytecode is platform-independent. A device capable of running Java can interpret/translate this file...

Mark Sailes published a pattern that shows how to use Lambda SnapStart with relational databases in Serverlessland. Serverlessland brings together the latest information, blogs, videos, code, and learning resources for AWS Serverless. The sample application uses Micronaut CRaC, and Micronaut Data JDBC GitHub Repository

Developing and deploying AWS Lambda functions with the Micronaut framework have been possible either with the Java runtime, or by deploying a native executable built with GraalVM to a custom runtime. The latter provides faster cold starts. When a Lambda function is invoked for the first time or scales up, an execution environment is created....

AWS Lambda is a serverless, event-driven compute service that lets you run code for any type of application or backend service without provisioning or managing servers. Cold Start vs. Warm Start Cold Start When a Lambda function is invoked for the first time or scales up, an execution environment is created. The first phase in...

This post highlights the necessary changes to the application build to deploy a GraalVM Native executable to AWS Lambda Custom Runtime with an arm64 architecture. Lambda instruction set architectures AWS Lambda supports multiple architectures: The instruction set architecture of a Lambda function determines the type of computer processor that Lambda uses to run the function....

The Micronaut Foundation is excited to announce the release of Micronaut framework 3.7.1! This release contains bug fixes and patch releases of several modules, including Micronaut CRaC, Micronaut SQL, and Micronaut Test Resources. Moreover, update your application to version 3.6.2 of the Micronaut Gradle Plugins if you use Gradle. If you have not yet updated to Micronaut framework 3.7,...

For the first time, we are offering our popular Micronaut Essentials class in Spanish.

Two new training workshops have been added to the schedule!

The Micronaut Foundation is excited to announce the release of Micronaut framework 3.4.4! This release contains minor bug fixes and patch releases of several Micronaut Modules: Micronaut Maven Plugin 3.2.4 Micronaut SQL 4.2.3 Micronaut JAX-RS 3.2.1 Micronaut Oracle Cloud 2.1.3 Micronaut MQTT 2.1.1 Micronaut OpenAPI 4.0.1 Updating your Micronaut applications to 3.4.4 should be as easy...

The Micronaut Foundation™ is excited to be teaming up with Amazon and their AWS Serverless team!

We encourage everyone to check out Graeme Rocher’s recent InfoQ article, Cloud Native Java with the Micronaut Framework. It is a great read for anyone using Micronaut or thinking about using the framework. In his article, Graeme covers reasons to use the Micronaut framework, how to get started and set up an IDE for Micronaut...

As many of you know, the Micronaut Framework has a Gitter Community. (And if you didn’t know, come on over and join the conversation!) What you may not know is that Gitter now speaks Matrix. Matrix is an open network for secure, decentralized communication. You’ve always been able to access the Micronaut Gitter Community via...

Join us on π Day (3-14) for a complimentary webinar in which Sergio del Amo will introduce the Micronaut MQTT module and demonstrate how to publish and subscribe to MQTT topics from a Micronaut application.

Two new training offerings have just been added to the schedule!

Today, Cédric Champeau introduced a new Micronaut module – Micronaut® AOT Micronaut AOT reduces application startup time and deployment size by executing a number of operations during the build. It can precompute bean requirements and perform substitutions at build time, so that only classes that are going to be used in production are included. Micronaut...

Vulnerability CVE-2021-44228 may allow an attacker to remotely execute code. It affects Log4j’s log4j-core jar. Log4j v2.15.0 fixes it. Moreover, Log4j v2.16.0 disables JNDI functionality by default, and it removes message lookups. Log4j v2.17.0 addresses CVE-2021-45105. It protects against infinite recursion in lookup evaluation. Summary: Apache Log4j2 does not always protect from infinite recursion in...

The Micronaut Foundation highly values the equal opportunity represented by open source technologies; working together with members of the Micronaut community to share information, knowledge, and expertise can only further promote success for everyone. Thus, when Zack Dawood and Nirmal Singh approached us and told us they were writing a book about the Framework, we...

Our first training workshops for 2022 have just been added to the schedule!

The Micronaut framework now has its own, dedicated YouTube channel. Head over to YouTube to explore conference talks, streaming sessions, how-to videos, and more. Both new and experienced users will find a variety of videos designed to help them get the most out of the Framework. Subscribe today to be alerted when new videos are...

We are excited to introduce an exciting new way for the Micronaut team and our community to share their enthusiasm for the Micronaut framework!

In 2017, the Grails team at Object Computing set out to build an intelligent compiler that precomputed framework infrastructure to achieve the same productivity benefits gained from Spring® without the runtime overhead. Today, we celebrate 3 years from the date of the first GA release of the Micronaut framework! Over the last 3 years, the...

The Micronaut and Grails Foundations™ are excited to announce that Sergio del Amo Caballero has taken on a new role and new responsibilities as the 2GM Developer Advocate! The Foundations support the technical innovation and advancement of the Grails® and Micronaut® frameworks for our growing global community, and the creation of this new position is...

Our 2021 third-quarter Town Hall Meeting is just around the corner!

The Micronaut Deep Dive class that was originally scheduled for mid-September has been rescheduled for October 18th through October 21st.

Today, we are pleased to share with our community that SAFRI.NET has joined the Micronaut Foundation™ as a Bronze-Level Corporate Sponsor!

If you’ve been wishing you could learn to maximize your productivity with the Micronaut framework directly from a member of the core Micronaut development team, this is your chance! A new public offering of our popular Micronaut Deep Dive course has been scheduled for September. This 4-day, 12-hour in-depth training workshop provides developers the knowledge...

The Micronaut team is excited to announce the final milestone of Micronaut framework 3!

We’re all about sharing it back. The Object Computing Groovy, Grails, and Micronaut team is collecting tips to compile into a resource that the global developer community can benefit from. By sharing your tips, you can help your peers build better solutions, making all of us stronger. What’s your go-to productivity tool or technique? No...

Micronaut Guides are detailed tutorials that help our community get the answers and tips they need to move forward with their projects quickly and efficiently. We strive to make sure that all of our guides are clearly written and technically thorough, so you can access the information you need with little to no difficulty or delay.

Two new training workshops have been added to the schedule! Workshops are live, instructor-led, hands-on training classes designed to enable students to dramatically enhance their proficiency and productivity. Integrating Micronaut Apps with Amazon Web Services Dates: May 25 to May 28 Time: 9:00 a.m. to 12:00 p.m. CDT Instructor: Sergio del Amo Caballero Learn More...

We are very happy to announce the 1.0.0 release of the Micronaut Blueprint for JHipster (otherwise known as MHipster)! This release represents a culmination of effort and teamwork between the Micronaut Foundation, the JHipster community, and Object Computing to create a Micronaut option for the server-side portion of JHipster applications. JHipster is a development platform...

On May 7th, JHipster’s Frederik Hahne and Object Computing’s Jason Schindler team up to present a complimentary 90-minute webinar on creating JHipster apps with the Micronaut Blueprint. Topics to be discussed include: What is JHipster? What is a blueprint? What is JDL? What is the Micronaut framework? Example monolith application walkthrough (command line) Example microservice...

Micronaut co-founder, Graeme Rocher, is scheduled to present Advanced Compile-Time Dependency Injection with Micronaut on Tuesday, May 4th at the upcoming Jax Online conference. Graeme will demonstrate advanced techniques when using the Micronaut framework’s compilation-time dependency injection implementation, including how to use configuration injection and aspect-oriented programming, as well as how to manage the dependency...

Since Micronaut 1.0, we have been heavily invested in the Micronaut Guides. We know they are a very good way to show different aspects of the framework with a working application that users can run and modify to their needs. Over the last three years, we have published around 50 guides, most of them written...

We’re pleased to announce the release of Micronaut 2.4.

Don’t miss this Stainless AI article about the Micronaut framework and Jupyter

Stainless AI recently published an article describing a new Micronaut-Jupyter plugin that assists in merging microservice and data science tech.

Venkat Subramaniam webinar about creating and testing Micronaut applications using Kotlin

We are excited to announce two new Micronaut Foundation sponsorship programs: the Corporate Sponsorship Program and the Community Member Sponsorship Program.

The Micronaut 2.2 release includes version 1.1 of the Micronaut Maven Plugin. Here are the details!

We look back over the first six months of Micronaut Launch.

JCON is right around the corner! Thanks to the folks at JCON-Online, if you are one of the first 50 people to use the ticket code JCON-MICRONAUT you will get a 3-day conference ticket for free!

Find out what the Micronaut development team is doing to make integrating your Micronaut applications with GraalVM as easy as possible.

In this video, Micronaut co-founder, Graeme Rocher, demonstrates how to take advantage of the new Micronaut Gradle plugin, which is included by default in Micronaut 2.1.0.

2GM Town Hall Meetings give the Groovy, Grails, and Micronaut team a chance to engage with you and empower you to contribute to the frameworks you love.

In this coding session, streamed live on September 26, 2020, Micronaut team member Iván López demonstrates the main features of Micronaut.

Micronaut 2 includes many improvements to help you write Micronaut applications and serverless functions and deploy them to AWS Lambda.

Micronaut co-founder, Graeme Rocher, will host a hands-on lab at Oracle Developer Live—Java to demonstrate how you can use Micronaut to build modern cloud-native applications on Oracle Cloud Infrastructure (OCI) that are easy to test, fast to execute, and can be deployed to the cloud in a few simple steps.

Micronaut co-founder, Jeff Scott Brown, and Product Development Lead, James Kleeh, host a complimentary, virtual Q&A session tomorrow.

Iván López joins Rodrigo Graciano, Otavio Santana, and Robert Douglas in this discussion about Micronaut on Platform.sh’s 16th episode of “Deploy Friday.”

Introduction to Micronaut at Mérida (Mexico) Java User Group.

As of 2020.2, IntelliJ IDEA Ultimate offers the ability to create new Micronaut projects directly from the wizard.

Graeme Rocher, Micronaut framework co-founder, talks about improvements to GraalVM Native Image generation in Micronaut 2.0.

Graeme Rocher, Micronaut framework co-founder, talks about Gradle incremental compilation support in Micronaut 2.0.

Graeme Rocher, Micronaut framework co-founder, talks about Micronaut 2.0 command line interface improvements.

Graeme Rocher, Micronaut framework co-founder, talks about Micronaut 2.0 reactive libraries (RxJava …) support.

Graeme Rocher, Micronaut framework co-founder, talks about Micronaut 2.0 serverless support (AWS, Azure, GCP) improvements.

Graeme Rocher, Micronaut framework co-founder, talks about Micronaut 2.0 servlet support.

Graeme Rocher, Micronaut framework co-founder, talks about Micronaut 2.0 HTTP/2 support.

Graeme Rocher, Micronaut framework co-founder, talks about Micronaut 2.0 Maven support improvements.

Graeme Rocher, Micronaut framework co-founder, discusses Micronaut Launch, the easiest way to create a Micronaut app.

We at Object Computing and the Micronaut Foundation, led by Graeme and myself, remain committed to our growing community and continuing to advance what we have built here. Our focus continues to be building and helping our community create better technology. This is what we do and will continue to do. The community is an...

Today, we announced the formation of the Micronaut Foundation, a not-for-profit company established to advance innovation and adoption of the Micronaut® framework, a free and open, public-use software development framework used to build modular, easily testable microservice and serverless applications. The Micronaut Foundation oversees software roadmap and development, best practices and processes, repository control, documentation...

The Micronaut team at Object Computing is pleased to announce that Micronaut 2.0.0.M3 now features support for developing serverless applications with Azure Functions. If you want to develop Azure Functions with Java, you’ll find that you can dramatically improve your productivity and build incredibly fast and lightweight applications with the Micronaut framework. Micronaut’s Azure-friendly features...

The Micronaut team at Object Computing is super excited to announce the final milestone on our journey to Micronaut 2.0. This milestone focuses on two important areas of the framework: the command line interface (CLI) and serverless support. For more information about all the new features, see the “What’s New” guide. Introducing Micronaut Launch The...

With the release of Micronaut 2.0 M3, we have gone live with a brand new implementation of the Micronaut command line interface (CLI) and Micronaut Launch, an online tool for creating Micronaut applications. A CLI History When the Micronaut framework was first being developed, we knew we needed a tool to generate applications that allowed...

Modern Java frameworks are challenging each other to keep pushing features and performance into previously inconceivable areas. Here are the results of our most recent Spring Boot, Micronaut 1.3, and Micronaut 2.0 comparisons.

Grails and Micronaut Product Teams announce expansion of leadership team. Puneet Behl is now Grails Product Development Lead, and James Kleeh is now Micronaut Development Lead.

Here are five specific features that make the Micronaut IntelliJ IDEA combo a terrific tool for any developer looking to boost his or her productivity.

Users can now be assured that Micronaut is certified to run on Amazon Corretto, and we will continue our partnership with Amazon to ensure users don’t run into any issues in production.

After the recent releases of Micronaut 2.0 M2 and JDK 14, I decided it would be a good time to see what the state of play is performance wise between the Micronaut framework, Quarkus, and Spring Boot on JDK 14 in 2020. Historically, we have encouraged users to make their own judgments, but recently some...

Micronaut 2.0 Milestone 2 has been released, and it offers several exciting new and enhanced features!

The Micronaut Team at Object Computing, Inc. is pleased to announce the first milestone of Micronaut Servlet, a new implementation of the Micronaut framework that runs on traditional Java servlet containers. Micronaut Servlet provides support for replacing the Netty-based HTTP server that comes with the Micronaut framework with either Jetty, Tomcat, or Undertow, which may...

Learn more about Micronaut’s AOP system and how easy it is to use compared to competitors.

We are abandoning the use of the word Predator and will refer to our newly announced technology as Micronaut Data.

Today, the Micronaut team at Object Computing, Inc. unveiled Micronaut Data, a brand new Open Source project that aims to dramatically improve the runtime and memory performance of data access repository logic for the microservice and serverless era, while also maintaining the productivity benefits of tools like GORM and Spring Data.

Micronaut co-founder, Jeff Scott Brown, demonstrates how to use Micronaut to build a simple suite of microservices and deploy them to GCP with minimal complexity and effort.

If you want to upload files with Micronaut, you may need to configure maximum request size and the max file size properties. Here’s how to do that.

Release announcement for Micronaut 1.0.4

Demonstrates how to turn a Spring Boot application into a Micronaut application at compilation time and run the application on GraalVM

In this 45-minute talk presented at Voxxed Days Microservices Paris in October 2018, Micronaut co-founder, Graeme Rocher, introduces the framework and demonstrates how you can take your microservices to the next level with Micronaut’s ahead-of-time (AOT) compilation and Oracle’s GraalVM to achieve instant startup and low memory footprint.

Micronaut 1.0.0. RC2 release announcement

Micronaut 1.0 release candidate 1 has been released! Discover the key features that make Micronaut stand out among Java frameworks.

We’re delighted to announce that Micronaut™ has been open sourced on Github! Watch for the first milestone of Micronaut 1.0 next week!