This Week in Spring - December 7th, 2021

Hi, Spring fans! Welcome to another installment of This Week in Spring! We’ve got a ton of stuff to dive into so let’s get goin’!

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Spring Cloud Sleuth 3.1.0 is out!

With the release of the Spring Cloud 2021.0.0 (aka Jubilee) release train we’re more than happy to announce the general availability of Spring Cloud Sleuth 3.1.0. In this blog post we’ll describe the most notable released features.

Here is the list of most notable features, we’ll elaborate on them in the subsequent parts of this post.

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A Bootiful Podcast: DataStax's Christopher Bradford on the Apache Cassandra operator for Kubernetes, K8ssandra

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Spring Cloud 2021.0.0 (codename Jubilee) Has Been Released

On behalf of the community, I am pleased to announce the General Availability of the Spring Cloud 2021.0 Release Train, codename Jubilee, is available today. The release can be found in Maven Central. You can check out the 2021.0 release notes for more information.

Notable Changes in the 2021.0 Release Train

2021.0.0 is compatible with Spring Boot 2.6.1

See the project page for all the issues and pull requests included in this release.

Spring Cloud Commons

  • Support for per LoadBalancer configuration properties (added as well to Gateway, Contract and OpenFeign).
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Spring Cloud Function 3.2 is out!

Spring Cloud 2021.0.0 is finally out and with it you have Spring Cloud Function 3.2

While the full list of features, enhancements and bug fixes is available here, I’d like to call out few of them in this post and provide some details.

gRPC Support

In addition to an already existing support for invoking function via AWS Lambda, RSocket, Spring Cloud Stream etc., Spring Cloud Function now allows you to invoke function via gRPC.
Two ways to benefit from it.

Spring Message

Given the wide adaption of Spring Messaging, one way of benefiting from gRPC support is by embracing Spring’s Message.
Spring Cloud Function provides GrpcSpringMessage schema modeled after Spring’s Message. It is internally converted to Spring Message to benefit from all of the existing support for Spring Messaging.

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Spring Authorization Server 0.2.1 available now

On behalf of the team and everyone who has contributed, it is my pleasure to announce the general availability of Spring Authorization Server 0.2.1.

You can download it from Maven Central by using the module coordinates:

compile ''

See the release notes for complete details.

To get started using Spring Authorization Server, see the sample to become familiar with setup and configuration.

We would love to gather your feedback as we strive to improve and build upon this release.

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Spring Tips: @Controllers and RSocket

Hi, Spring fans! In this installment of Spring Tips (@SpringTipsLive), we continue our tour of all things @Controller, this time focusing on the Spring support for RSocket. You might also want to watch the expanded discussion of RSocket in earlier Spring Tips videos:

  1. The RSocket Revolution - watch this next!
  2. Raw RSocket support
  3. RSocket Messaging and the @Controller component model
  4. RSocket and Spring Security
  5. Spring Retrosocket
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This Week in Spring - November 30th, 2021

Hi, Spring fans! Welcome to another installment of This Week in Spring! This last week’s been nutty! Here in the US, we just celebrated the Thanksgiving holiday, and I am fat with turkey and pie, and lazy. But happy. I hope you’re well fed and happy, too. Time’s flying. (Also: can you believe we’re a month away from the new year? I think there’s like four or five weeks (and thus _This Week in Spring_s!) left in the year!)

We’ve got a ton of stuff to get into this week, so let’s go:

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Security Report for Spring AMQP (Spring for RabbitMQ)

The recently released versions of Spring AMQP (2.4.0, 2.3.12, 2.2.20) contain a fix for CVE-2021-22095, which can cause a potential OutOfMemoryError for very large messages.

Spring Boot version 2.6.0 and 2.5.7 will bring in the 2.4.0 and 2.3.12 versions of spring-amqp respectively. Users of Boot 2.4.x should override the spring-amqp and spring-rabbit versions to 2.3.12; users of Spring Boot 2.3.x should override the versions to 2.2.20.

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