This Week in Spring - September 6th, 2016

Engineering | Josh Long | September 06, 2016 | ...

Welcome to another installment of This Week in Spring! This week I'm in Shanghai, China and Hangzhou, China where I spoke at the ginormous Huawei Connect conference in Shanghai and where I'll be working with Alibaba and Huawei for a week or so. I'll also be speaking at the Hangzhou Java User Group, too.

(Can you believe we're already in September?? Seriously blown away! 2017 is just around the corner!)

I'm also, technically, on vacation, so I'll keep this post to a minimum! :)

Spring Security OAuth2 - Client Authentication Issue

Engineering | Joe Grandja | August 31, 2016 | ...

Issue #808 was recently reported that allowed a user to authenticate as a client and obtain an access token via the client_credentials or password grant flow.

This unique scenario occurs when a client and user have the same identifier (clientId and username). The user’s credentials are used for client authentication during a client_credentials or password grant flow and is successful in obtaining an access token with the authorities of the client.

The Fix

This bug has been fixed in 1ed986a and released in 2.0.11.RELEASE.

If you’re using Java-based configuration, please update to 2.0.11.RELEASE…

Custom test slice with Spring Boot 1.4

Engineering | Stéphane Nicoll | August 30, 2016 | ...

Spring Boot 1.4 includes a major overhaul of testing support and one of these features is test slicing. I'd like to take the opportunity in this blog post to further explain what it is and how you can easily create your own slices.

Test slicing is about segmenting the ApplicationContext that is created for your test. Typically, if you want to test a controller using MockMvc, surely you don't want to bother with the data layer. Instead you'd probably want to mock the service that your controller uses and validate that all the web-related interaction works as expected. This can be summarized in…

This Week in Spring - August 30th, 2016

Engineering | Josh Long | August 30, 2016 | ...

Welcome to another installment of This Week in Spring! This week I've been in San Francisco, (where I live and) where I addressed the Silicon Valley Spring User Group. Now it's off to beautiful China to bring some Spring and Pivotal (and, maybe, take a little vacation!)

As usual, we have a lot to get to so let's!

Spring Web Services 2.3.1/2.4.0 are released

Engineering | Greg L. Turnquist | August 29, 2016 | ...

Greetings Spring community,

Spring Web Services has just released versions 2.3.1.RELEASE and 2.4.0.RELEASE.

2.3.1.RELEASE is a minor patch release.

2.3.1 Release Notes | 2.3.1 Documentation.

2.4.0.RELEASE rebases Spring Web Services to run on Spring Framework 4.2.x & Spring Security 4.0.x, the stable baselines behind Spring 4.3/Spring Security 4.1. At the same time, it remains compatible with Java 7. This version includes changes to the code base making it forward compatible with Spring 4.3 and 5.0, so you are free to move up to whichever version of Spring/Spring Security you wish to use.

2.4.0 Release Notes | 2.4.0 Documentation

Spring Cloud Camden M1 is available

Releases | Marcin Grzejszczak | August 29, 2016 | ...

On behalf of the team, I am pleased to announce that Milestone 1 of the Spring Cloud Camden Release Train is available today. The release can be found in our Spring Milestone repository. We’ve made numerous enhancements and bug fixes! You can check out the Camden.M1 release notes for more information.

The following modules were updated as part of Camden.M1:

Spring Cloud Build        1.2.0.RELEASE
Spring Cloud Stream       Brooklyn.M1
Spring Cloud Bus          1.2.0.M1
Spring Cloud Config       1.2.0.M1
Spring Cloud Netflix      1.2.0.M1
Spring Cloud Consul       1.1.0.M1
Spring Cloud…

Spring Cloud Data Flow for Mesos 1.0 RC2 released

Releases | Thomas Risberg | August 26, 2016 | ...

We are pleased to announce the 1.0.0.RC2 release candidate of Spring Cloud Data Flow for Mesos, a team effort that encompasses many new features under the hood.

This release candidate builds upon the recent 1.0 GA release of Spring Cloud Data Flow. Some highlights include:

  • We now run the Spring Cloud Data Flow Server as a Docker image on Marathon, a container orchestration platform for Mesos.
  • This release adds features to support stream partitioning and scaling
  • Currently partitioning and scaling of sinks and processors are handled by using multiple application deployments, one for each app instance, identified by an index appended to the name.
  • Scaling of sources is handled by using additional application instances.
* Streams are now deployed using Marathon [Application Groups](https://mesosphere.github.io/marathon/docs/application-groups.html) so it is easier to identify the different apps making up a stream. * We have added support for launching tasks using Chronos, a fault tolerant job scheduler for Mesos.

As part of this effort we have developed a simple Java client for interacting with the Chronos API. This Java client is included in the latest 1.0.2.RELEASE version of the Spring Cloud Deployer for Mesos project

Spring Cloud Stream Brooklyn.M1 is available

Releases | Marius Bogoevici | August 26, 2016 | ...

On behalf of the team, I am pleased to announce the release of the first milestone of the Spring Cloud Stream Brooklyn release train. Spring Cloud Stream Brooklyn.M1 is available for use in the Spring Milestone repository, a detailed description of its features can be found in the reference documentation. Release notes are available here and include important information on the migration path.

From a Monolith to a Release Train

Spring Cloud Stream Brooklyn.M1 succeeds Spring Cloud Stream 1.0. The change in the naming scheme reflects the project's structural changes, in particular switching…

Spring Cloud Data Flow for Cloud Foundry goes 1.0 GA

Releases | Eric Bottard | August 25, 2016 | ...

We are pleased to announce the general availability of Spring Cloud Data Flow for Cloud Foundry version 1.0.0.RELEASE.

Spring Cloud Data Flow for Cloud Foundry provides support for orchestrating long-running (streaming) and short-lived (task/batch) data microservices on Cloud Foundry runtime.

As the successor to Spring XD, this project benefits from a much more decoupled architecture, leveraging the Spring Cloud Deployer for Cloud Foundry library, which also goes GA today. More details about Spring Cloud Data Flow’s architecture and its ecosystem can be found in this blog.

  • Stream and Batch/Task Processing are the primary functionalities in Spring Cloud Data Flow and they map to Cloud Foundry Diego’s LRPs and Tasks1 respectively.

  • Includes developer toolkits to build streaming and batch/task pipelines using the DSL, Shell, REST-APIs, Dashboard, Flo Designer, or any combination of those.

  • Facilitates test-driven-development at individual data pipeline components along with test fixtures to develop and test "data-centric" apps in isolation.

  • Leverages Cloud Foundry’s runtime capabilities such as security, metrics, operational monitoring, scaling, and reliable execution of streaming and batch/task pipelines.

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