Marcin Grzejszczak
@toomuchcoding.com
Java Champion. Working on observability and contract testing - Micrometer, Spring Cloud Contract.
Hey 👋 ! I've decided to start a newsletter through my blog. If you're interested in subscribing go to the contact page toomuchcoding.com/contact/ and subscribe there! 🚀 I will be grateful if you forward this message to your friends 😀
Contact | Marcin Grzejszczak
Get in Touch Want to connect with me? 👉 Suscribe to the newsletter, schedule a free consultation, send me an email, or reach out on social media. Newsletter! If you’d like new posts by email (about…
toomuchcoding.com
December 16, 2025 at 5:46 PM
Hey 👋 ! I've decided to start a newsletter through my blog. If you're interested in subscribing go to the contact page toomuchcoding.com/contact/ and subscribe there! 🚀 I will be grateful if you forward this message to your friends 😀
Reposted by Marcin Grzejszczak
🍃 #Spring Framework 7.0.2 includes several enhancements for retry support.
⏰ Timeouts in @Retryable and RetryPolicy
🛠️ New onRetryableExecution() listener callback, exposes the current retry count, etc.
👍🏻 @EnableResilientMethods now participates in globally enforced target class proxying
⏰ Timeouts in @Retryable and RetryPolicy
🛠️ New onRetryableExecution() listener callback, exposes the current retry count, etc.
👍🏻 @EnableResilientMethods now participates in globally enforced target class proxying
🍃 #Spring Framework 7.0.2 is now available!
Includes 74 fixes and documentation improvements and will be shipped next week with Spring Boot 4.0.1.
spring.io/blog/2025/12...
Includes 74 fixes and documentation improvements and will be shipped next week with Spring Boot 4.0.1.
spring.io/blog/2025/12...
Spring Framework 7.0.2 Available Now
Level up your Java code and explore what Spring can do for you.
spring.io
December 13, 2025 at 3:07 PM
🍃 #Spring Framework 7.0.2 includes several enhancements for retry support.
⏰ Timeouts in @Retryable and RetryPolicy
🛠️ New onRetryableExecution() listener callback, exposes the current retry count, etc.
👍🏻 @EnableResilientMethods now participates in globally enforced target class proxying
⏰ Timeouts in @Retryable and RetryPolicy
🛠️ New onRetryableExecution() listener callback, exposes the current retry count, etc.
👍🏻 @EnableResilientMethods now participates in globally enforced target class proxying
Reposted by Marcin Grzejszczak
🎉 Exciting news! Spring AI 2.0.0-M1 is out! First milestone of the 2.x series with Spring Boot 4 & Framework 7, upgraded integrations (OpenAI, Google GenAI & Anthropic), Redis chat memory, vector store improvements, MCP updates & more! spring.io/blog/2025/12...
Spring AI 2.0.0-M1 Available Now
Level up your Java code and explore what Spring can do for you.
spring.io
December 11, 2025 at 10:10 PM
🎉 Exciting news! Spring AI 2.0.0-M1 is out! First milestone of the 2.x series with Spring Boot 4 & Framework 7, upgraded integrations (OpenAI, Google GenAI & Anthropic), Redis chat memory, vector store improvements, MCP updates & more! spring.io/blog/2025/12...
Reposted by Marcin Grzejszczak
#SpringAI Tool Search Tool - Build smarter AI apps that discover tools when they need them
📖 Blog: spring.io/blog/2025/12...
🔗 GitHub: github.com/spring-ai-community/spring-ai-tool-search-tool
✅ On-demand tool discovery
✅ Multiple LLMs
✅ 34-64% token savings
@spring-ai.bsky.social
📖 Blog: spring.io/blog/2025/12...
🔗 GitHub: github.com/spring-ai-community/spring-ai-tool-search-tool
✅ On-demand tool discovery
✅ Multiple LLMs
✅ 34-64% token savings
@spring-ai.bsky.social
December 11, 2025 at 8:51 AM
#SpringAI Tool Search Tool - Build smarter AI apps that discover tools when they need them
📖 Blog: spring.io/blog/2025/12...
🔗 GitHub: github.com/spring-ai-community/spring-ai-tool-search-tool
✅ On-demand tool discovery
✅ Multiple LLMs
✅ 34-64% token savings
@spring-ai.bsky.social
📖 Blog: spring.io/blog/2025/12...
🔗 GitHub: github.com/spring-ai-community/spring-ai-tool-search-tool
✅ On-demand tool discovery
✅ Multiple LLMs
✅ 34-64% token savings
@spring-ai.bsky.social
Reposted by Marcin Grzejszczak
We are pleased to announce the release of Spring Cloud 2024.0.3. This is primarily a bug fix release and will be the final open source release of the 2024.0.x release train. For more details check out the blog post spring.io/blog/2025/12...
Spring Cloud 2024.0.3 (aka Northfields) Has Been Released
Level up your Java code and explore what Spring can do for you.
spring.io
December 12, 2025 at 5:40 PM
We are pleased to announce the release of Spring Cloud 2024.0.3. This is primarily a bug fix release and will be the final open source release of the 2024.0.x release train. For more details check out the blog post spring.io/blog/2025/12...
Reposted by Marcin Grzejszczak
Last day: Feedback reminder! I will be very happy if you spare a couple of minutes - to fill out the survey for my Java Microservices with Spring course maven.com/forms/bbafe1 #java #Microservices
https://maven.com/forms/bbafe1
maven.com
December 10, 2025 at 2:03 PM
Last day: Feedback reminder! I will be very happy if you spare a couple of minutes - to fill out the survey for my Java Microservices with Spring course maven.com/forms/bbafe1 #java #Microservices
Hey! @SpringCloud Contract 5.0.1 released with some serious Maven Plugin fixes! Grab it while it's hot! toomuchcoding.com/post/2025-12... and thanks to my employer @hero.dev for allowing me to work on this!
Spring Cloud Contract 5.0.1 released - upgrade! | TooMuchCoding
Spring Cloud Contract 5.0.1 is released with some critical bug fixes. Please upgrade!
toomuchcoding.com
December 9, 2025 at 4:32 PM
Hey! @SpringCloud Contract 5.0.1 released with some serious Maven Plugin fixes! Grab it while it's hot! toomuchcoding.com/post/2025-12... and thanks to my employer @hero.dev for allowing me to work on this!
Reposted by Marcin Grzejszczak
tracing 1.6.1 has been released!
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.6.1
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.6.1
December 8, 2025 at 9:51 PM
tracing 1.6.1 has been released!
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.6.1
Check out the changelog at https://github.com/micrometer-metrics/tracing/releases/tag/v1.6.1
If you ever wondered how working on a very well-known OSS library looks like you can check my, fresh from the press, blog post toomuchcoding.com/post/2025-12... where I share the story behind creating the Micrometer Observation API. #java
The Story Of Micrometer Observation | TooMuchCoding
In this blog post we'll look into why and how Micrometer Observation was founded
toomuchcoding.com
December 8, 2025 at 3:03 PM
If you ever wondered how working on a very well-known OSS library looks like you can check my, fresh from the press, blog post toomuchcoding.com/post/2025-12... where I share the story behind creating the Micrometer Observation API. #java
I'm still collecting answers to my survey about Java Microservices with Spring course. I already have around 60 answers! But I need MOAR. Please help me out by filling out the survey and promote it further. Thank you! maven.com/forms/bbafe1a
https://maven.com/forms/bbafe1
maven.com
December 8, 2025 at 8:09 AM
I'm still collecting answers to my survey about Java Microservices with Spring course. I already have around 60 answers! But I need MOAR. Please help me out by filling out the survey and promote it further. Thank you! maven.com/forms/bbafe1a
Good morning! If it's time for you to get your morning coffee how about you take a look at my new blog post about the story of Micrometer Observation? Grab it while it's hot 😀 toomuchcoding.com/post/2025-12...
The Story Of Micrometer Observation | TooMuchCoding
In this blog post we'll look into why and how Micrometer Observation was founded
toomuchcoding.com
December 8, 2025 at 6:49 AM
Good morning! If it's time for you to get your morning coffee how about you take a look at my new blog post about the story of Micrometer Observation? Grab it while it's hot 😀 toomuchcoding.com/post/2025-12...
Enjoying your weekend? How about you grab a coffee and check out my new post about Micrometer entitled "The Story Of Micrometer Observation"? You can read it at my blog here: toomuchcoding.com/post/2025-12... #Java #MicrometerIO #SpringFramework #SpringBoot
The Story Of Micrometer Observation | TooMuchCoding
In this blog post we'll look into why and how Micrometer Observation was founded
toomuchcoding.com
December 7, 2025 at 10:36 PM
Enjoying your weekend? How about you grab a coffee and check out my new post about Micrometer entitled "The Story Of Micrometer Observation"? You can read it at my blog here: toomuchcoding.com/post/2025-12... #Java #MicrometerIO #SpringFramework #SpringBoot
Hopefully you're having a great weekend! With your morning coffee If you could spare a few minutes to fill out the pre Java Microservices with Spring course I would be very grateful! maven.com/forms/bbafe1 #java #springframework
https://maven.com/forms/bbafe1
maven.com
December 7, 2025 at 8:52 AM
Hopefully you're having a great weekend! With your morning coffee If you could spare a few minutes to fill out the pre Java Microservices with Spring course I would be very grateful! maven.com/forms/bbafe1 #java #springframework
Reposted by Marcin Grzejszczak
🚀 Spring AI 1.1.1 is out! Includes OpenAI Java SDK integration, native chat client structured output support, Claude Skills API integration, Google Gemini integration improvements, MCP improvements, other bug fixes and enhancements: spring.io/blog/2025/12...
Spring AI 1.1.1 Available Now
Level up your Java code and explore what Spring can do for you.
spring.io
December 5, 2025 at 10:43 AM
🚀 Spring AI 1.1.1 is out! Includes OpenAI Java SDK integration, native chat client structured output support, Claude Skills API integration, Google Gemini integration improvements, MCP improvements, other bug fixes and enhancements: spring.io/blog/2025/12...
I’m shaping a practical course on Java + Spring microservices, built around real production challenges - service comms, metrics, tracing, resilience, and more.
What’s the biggest pain point you’d like help with?
Quick survey here: maven.com/forms/bbafe1
What’s the biggest pain point you’d like help with?
Quick survey here: maven.com/forms/bbafe1
https://maven.com/forms/bbafe1
maven.com
December 5, 2025 at 7:20 AM
I’m shaping a practical course on Java + Spring microservices, built around real production challenges - service comms, metrics, tracing, resilience, and more.
What’s the biggest pain point you’d like help with?
Quick survey here: maven.com/forms/bbafe1
What’s the biggest pain point you’d like help with?
Quick survey here: maven.com/forms/bbafe1
I’m planning a hands-on course on building microservices with Java & Spring, focused on real-world challenges like communication, observability, resilience.
I’d love to hear what’s toughest for you right now.
Share your thoughts: maven.com/forms/bbafe1
I’d love to hear what’s toughest for you right now.
Share your thoughts: maven.com/forms/bbafe1
maven.com
December 4, 2025 at 10:46 PM
I’m planning a hands-on course on building microservices with Java & Spring, focused on real-world challenges like communication, observability, resilience.
I’d love to hear what’s toughest for you right now.
Share your thoughts: maven.com/forms/bbafe1
I’d love to hear what’s toughest for you right now.
Share your thoughts: maven.com/forms/bbafe1
I’m exploring a hands-on course on Java microservices with Spring-focused on real-world communication, observability, and reliability.
If you work with Java/Spring, I’d love to hear what challenges you’re facing.
Share your input: maven.com/forms/bbafe1
If you work with Java/Spring, I’d love to hear what challenges you’re facing.
Share your input: maven.com/forms/bbafe1
maven.com
December 4, 2025 at 2:29 PM
I’m exploring a hands-on course on Java microservices with Spring-focused on real-world communication, observability, and reliability.
If you work with Java/Spring, I’d love to hear what challenges you’re facing.
Share your input: maven.com/forms/bbafe1
If you work with Java/Spring, I’d love to hear what challenges you’re facing.
Share your input: maven.com/forms/bbafe1
Hard to believe this post is from 10 years ago! What started as an idea later evolved into Spring Cloud Pipelines - I’ve just reimplemented it for a customer. Always great when architecture concepts stand the test of time. 🙂
toomuchcoding.com/post/2015-09...
#microservices #deployment
toomuchcoding.com/post/2015-09...
#microservices #deployment
Microservice Deployment | TooMuchCoding
It’s been a while since my last post. In the meantime, nothing has changed in terms of the microservice hype. Here’s a concrete look at deployment in a big, multinational company and a basic pipeline…
buff.ly
December 3, 2025 at 3:59 PM
Hard to believe this post is from 10 years ago! What started as an idea later evolved into Spring Cloud Pipelines - I’ve just reimplemented it for a customer. Always great when architecture concepts stand the test of time. 🙂
toomuchcoding.com/post/2015-09...
#microservices #deployment
toomuchcoding.com/post/2015-09...
#microservices #deployment
Another blog post from 10 years ago. The idea was then converted to the Spring Cloud Pipelines project. Recently, it was implemented from scratch for one of my customers. I'm really proud that all the concepts survived the test of time 🙂 toomuchcoding.com/post/2015-09... #microservices #deployment
Microservice Deployment | TooMuchCoding
It’s been a while since my last post. In the meantime, nothing has changed in terms of the microservice hype. Here’s a concrete look at deployment in a big, multinational company and a basic pipeline…
toomuchcoding.com
December 3, 2025 at 8:53 AM
Another blog post from 10 years ago. The idea was then converted to the Spring Cloud Pipelines project. Recently, it was implemented from scratch for one of my customers. I'm really proud that all the concepts survived the test of time 🙂 toomuchcoding.com/post/2015-09... #microservices #deployment
Reposted by Marcin Grzejszczak
My plans for visiting [at least] 30 JUGs in 2025 to commemorate Java’s 30th anniversary fell short due to recent employment change (still seeking btw). Only made it to 19 at 🇳🇱🇧🇪🇺🇸🇵🇪🇨🇭🇳🇴🇱🇹
Perhaps I can reach the goal next year before Java turns 31, we’ll see 😉
Perhaps I can reach the goal next year before Java turns 31, we’ll see 😉
December 2, 2025 at 4:34 PM
My plans for visiting [at least] 30 JUGs in 2025 to commemorate Java’s 30th anniversary fell short due to recent employment change (still seeking btw). Only made it to 19 at 🇳🇱🇧🇪🇺🇸🇵🇪🇨🇭🇳🇴🇱🇹
Perhaps I can reach the goal next year before Java turns 31, we’ll see 😉
Perhaps I can reach the goal next year before Java turns 31, we’ll see 😉
I'm happy to announce that there has been some inital interest in Iurista.org! If you too want to join the discussion about acquiring the IP of iurista.org don't hesitate to contact me.
November 25, 2025 at 7:26 PM
I'm happy to announce that there has been some inital interest in Iurista.org! If you too want to join the discussion about acquiring the IP of iurista.org don't hesitate to contact me.
I’m opening iurista.org for acquisition - a legal-tech time-automation tool (email, calendar, calls, on-prem deployment, desktop installer).
If you know someone in legal-tech, time tracking, automation, or practice-management solutions, happy to connect.
If you know someone in legal-tech, time tracking, automation, or practice-management solutions, happy to connect.
Iurista – Inteligentne rozliczenia czasu dla kancelarii prawnych – Twój czas, Twoje zasady – efektywne rozliczenia dla kancelarii prawnych
O nas Opinie Benefity Cennik Pobierz FAQ Kontakt
iurista.org
November 20, 2025 at 9:37 AM
I’m opening iurista.org for acquisition - a legal-tech time-automation tool (email, calendar, calls, on-prem deployment, desktop installer).
If you know someone in legal-tech, time tracking, automation, or practice-management solutions, happy to connect.
If you know someone in legal-tech, time tracking, automation, or practice-management solutions, happy to connect.
I’m making available for acquisition iurista.org, a legal-tech time automation tool (email, calendar, phone calls, on-prem deployment, desktop installer).
Know anyone in legal-tech, time tracking, automation or practice-management solutions? Feel free to connect us.
Know anyone in legal-tech, time tracking, automation or practice-management solutions? Feel free to connect us.
Iurista – Inteligentne rozliczenia czasu dla kancelarii prawnych – Twój czas, Twoje zasady – efektywne rozliczenia dla kancelarii prawnych
O nas Opinie Benefity Cennik Pobierz FAQ Kontakt
iurista.org
November 19, 2025 at 10:59 PM
I’m making available for acquisition iurista.org, a legal-tech time automation tool (email, calendar, phone calls, on-prem deployment, desktop installer).
Know anyone in legal-tech, time tracking, automation or practice-management solutions? Feel free to connect us.
Know anyone in legal-tech, time tracking, automation or practice-management solutions? Feel free to connect us.
Ten years ago I wrote about reducing the build time from 90 minutes to just 8! The principles still hold up today: measure, simplify, remove bottlenecks.
If you’re interested in the full story and the techniques we used, here’s the original article:
toomuchcoding.com/post/2015-02...
If you’re interested in the full story and the techniques we used, here’s the original article:
toomuchcoding.com/post/2015-02...
How To Speed Up Your Build (from 90 to 8 minutes) | TooMuchCoding
How we cut a large monolith’s Gradle build from ~90 minutes to ~8 minutes using profiling, smarter task configuration, parallelism, project restructuring, and a beefier build machine.
toomuchcoding.com
November 18, 2025 at 2:26 PM
Ten years ago I wrote about reducing the build time from 90 minutes to just 8! The principles still hold up today: measure, simplify, remove bottlenecks.
If you’re interested in the full story and the techniques we used, here’s the original article:
toomuchcoding.com/post/2015-02...
If you’re interested in the full story and the techniques we used, here’s the original article:
toomuchcoding.com/post/2015-02...