Spring Security OAuth2 Auto-config 2.3.0.RC1, 2.2.7, 2.1.14 Released

Engineering | Rob Winch | May 11, 2020 | ...

On behalf of the community, I’m pleased to announce the release of Spring Security OAuth2 Auto-config 2.3.0.RC1 (release notes), 2.2.7.RELEASE (release notes), 2.1.14.RELEASE (release notes). The release delivers dependency updates to be compatible with the last versions of Spring Boot. Users are encouraged to update to the latest patch release.

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Tanzu Observability by Wavefront Spring Boot Starter

Engineering | Stéphane Nicoll | May 07, 2020 | ...

Spring Boot has a great observability story. With the Actuator, we auto-configure Micrometer, an application metrics facade that supports numerous monitoring systems. With a few properties, you can start emitting a wide range of metrics out-of-the-box to your favorite monitoring system. And if you need to use distributed tracing, Spring Cloud Sleuth gets you covered.

Tanzu Observability for Wavefront (formerly Wavefront) delivers scalable observability as a service where Spring developers can build analytics-driven dashboards based on multi-sourced data including metrics, traces, histograms…

End-of-Life for Spring Security OAuth

Engineering | Joe Grandja | May 07, 2020 | ...

In January 2018, we announced that the Spring Security OAuth (legacy) project is officially in maintenance mode. Later in November of 2019, we provided an update in the Spring Security OAuth 2.0 Roadmap, stating that the 2.3.x line will reach end-of-life in March 2020.

The currently supported version branches are 2.4.x and 2.5.x, with the 2.5.0 release scheduled for May 2020, which will be the final minor release.

To that end, the plan is to provide patch and security fixes for the 2.4.x and 2.5.x line until May 2021. Additionally, security fixes will be supported for the 2.5.x line until May 2022, at which point the project will have reached end-of-life. The same end-of-life timeline applies to the Spring Boot 2 auto-configuration project

Spring Tips: Season 7 Recap

Engineering | Josh Long | May 06, 2020 | ...

Hi, Spring fans! Welcome to the recap installment for the seventh season of Spring Tips! I can't believe we're already on season seven! In October of 2020, it'll be 4 straight years of doing these videos. Hopefully, they're helping.

Every season consists of 11 episodes and one recap blog post. Sometimes, I'll do an occasional extra episode or I'll do an episode during the interregnum between seasons as the situations sometimes demand. But, for now, I'm done for a little while - not as long as last time, for sure! But a little while. I need time to gather my resources, prepare new content, finish the Reactive Spring book, and…

This Week in Spring - May 5th, 2020

Engineering | Josh Long | May 05, 2020 | ...

Spring Cloud Function Native Images

Engineering | Dave Syer | May 04, 2020 | ...

Here's the latest graph of memory versus billing for Spring Cloud Function on AWS Lambda. It shows the billing metric GBsec as a function of memory allocation in Lambda for two custom runtimes, one in plain Java and one using a GraalVM native image, as described recently in this blog by Andy Clement:

aws-billing-3.x

In both cases the functionality is identical (a simple POJO-POJO function), and they both show only the results for cold start. Warm starts, where the function was already active when the request came in, were much faster and cheaper (except for the smallest memory setting they all cost the same…

Updates to Spring Versions

Engineering | Rob Winch | April 30, 2020 | ...

The Spring team has decided to change the versioning scheme for both release trains and project modules. These changes will be coming in the next release train and minor releases for each project. In fact, the changes are already present in Spring Cloud 2020.0.0-M1. Maven and Gradle do not provide the exact same version ordering, but we are working with the Gradle team to ensure the Spring scheme ends up sorted in the same way with both tools.

Release Train Version Changes

Spring has been using alphabetically ordered, themed release train versions since 2013. Release trains contain a group of…

Spring Tips: The Wavefront Observability Platform

Engineering | Josh Long | April 29, 2020 | ...

speaker: Josh Long (@starbuxman)

Hi, Spring fans! Welcome to another installment of Spring Tips! In this installment, we'll revisit two topics that we've addressed in two previous videos (distributed tracing and metrics collection) in terms of the superb Tanzu Wavefront observability platform.

The first video of the two videos, as mentioned above, dating way back in early 2017, looked at distributed tracing with spring cloud sleuth and openzipkin. Spring Cloud Sleuth is an abstraction for capturing the flow of messages from one node to another. It's useful to help you see how messages move through a system. Spring cloud sleuth integrates with all the usual ingress and egress points in a Spring Boot application. Make an HTTP request using either the Restteplat or the reactive WebClient or Spring Cloud Feign? It works. Receive an HTTP request to a traditional (Servlet-based) or…

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