Spring Data 2021.0, codenamed Pascal, is the second release following the new six-month cadence. It ships with refinements to many existing interfaces and programming models. This blog post explains the following topics:

• Introduce deleteAllById for CrudRepository and ReactiveCrudRepository.

• Support for Spring Core Java Flight Recorder (JFR) metrics.

• QueryByExample for R2DBC and Oracle support.

• Enable Type- and Refactoring-safe Use of KProperty and KPropertyPath for Property Path Rendering.

• Enable Cassandra Prepared Statements for Repositories and CassandraTemplate.

• Document Unwrapping Support & Relaxed Aggregation Type Checks for MongoDB.

• Repository projections & function execution for Apache Geode.

• Remove Spring Data Solr from the release train.

• Support for jMolecules.

• Spring Data REST aggregate reference mapping in DTOs.

  …

Hi, Spring fans! Welcome to another installment of This Week in Spring! This week we've got a ton of stuff to get to so let's dive right in!

• 5 WAYS to go to PRODUCTION with SPRING BOOT (ft. surprise guest)! - YouTube
• A Bootiful Podcast: Biden campaign CTO, Spinnaker cofounder, Target distinguished engineer, and all around epic guy Dan Woods
• A cool sample Spring Boot app from Oracle
• A nice blog on Spring HATEOAS
• An interesting use case with Azure Spring Cloud and SwissRe
• Blog: Annotating Kubernetes Services for Humans
• Blog: Defining Network Policy Conformance for Container Network Interface (CNI) providers
• Blog: Introducing Indexed Jobs
• Blog: Local Storage: Storage Capacity Tracking, Distributed…

Hi, Spring fans! In this installment Josh Long (@starbuxman) talks to Netflixer, Spinnaker continuous delivery platform co-founder, Target distinguished engineer, Biden campaign CTO, RatPack contributor, and an all-around epic guy Dan Woods (@danveloper).

Hi, Spring fans! Welcome to yet another installment of This Week in Spring! As usual, we've got a ton of stuff to get into so I won't dilly dally too much, but before I get to it I just wanted to remind you that I'll be joining JHipster and founder Microsoft Cloud Developer Advocate Julien Dubois on April 15th (two days from now!) to talk about Azure Spring Cloud: don't miss it!

• Spring Framework 5.3.6 and 5.2.14 available now
• A Bootiful Podcast: Ambassador Labs devrel director, InfoQ contributor, lifelong learner, and awesome human, and friend Daniel Bryant
• An interesting use case with Azure Spring Cloud and SwissRe
• Did you know that there are Bitcoin starters for Spring Boot?
• I did a talk, Reactive Spring, for the jLove conference a few weeks ago. You might dig it.
• Introducing Spring Cloud Square
• My team is hiring! Come work with me and we'll help make the world a better place, one Kubernetes production deploy at a time, at Tanzu.
• …

I am pleased to announce that Spring for Apache Kafka 2.7.0 is now available.

This release contains a significant enhancement, which is a community contribution. Failed deliveries can be forwarded to a series of topics for delayed redelivery.

It is best described with an example:

@RetryableTopic(attempts = "5", backoff = @Backoff(delay = 1000, multiplier = 2.0))
@KafkaListener(id = "sk270", topics = "sk270")
public void listen(String in, @Header(KafkaHeaders.RECEIVED_TOPIC) String topic) {
    LOG.info(in + " from " + topic);
    throw new RuntimeException("test");
}

@DltHandler
public void…

Hi, Spring fans! In this episode Josh Long (@starbuxman) talks to Ambassador Labs devrel director, InfoQ contributor, lifelong learner, and awesome human, and friend Daniel Bryant (@danielbryantuk).

• the Ambassador Office Hours
• Sign up for the Rapid Development with Azure Spring Cloud webinar that Microsoft's Julien Dubois and I are putting on April 15th, 2021.

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you? I'm doing alright, thank you. We've got a ton of stuff to get to this week so let's dive right in!

• Join Julien Dubois and me for this look at a rapid development with Azure Spring Cloud
• A Bootiful Podcast: SpringFox creator Marty Pitt on Swagger, Vyne and Taxi lang, and much more
• A new Microsoft build of OpenJDK will become the default in Azure
• API Rate Limiting with Spring Cloud Gateway
• Blog: PodSecurityPolicy Deprecation: Past, Present, and Future
• Check out the new release of Spring Cloud SleuthOpenTelemetry support
• Ki is a New, More Flexible Kotlin Interactive Shell - I love this!
• Run Spring Cloud Gateway for Kubernetes
• Spring Data 2021.0.0-RC1 and 2020.0.7 released
• …

One of the imperative architectural concerns is to protect APIs and service endpoints from harmful effects, such as denial of service, cascading failure. or overuse of resources. Rate limiting is a technique to control the rate by which an API or a service is consumed. In a distributed system, no better option exists than to centralize configuring and managing the rate at which consumers can interact with APIs. Only those requests within a defined rate would make it to the API. Any more would raise an HTTP “Many requests” error.

Spring Cloud Gateway (SCG) is a simple and lightweight component…

Hi, Spring fans! Welcome to another installment of a A Bootiful Podcast. In this installment, Josh Long (@starbuxman) talks to Swagger-SpringMVC (which eventually became SpringFox) creator and Vyne creator Marty Pitt (@marty_pitt).

• Reach Marty by email
• Vyne
• SpringFox