Spring has been around since the release of “J2EE Design and Development” in 2002. Spring and Java have evolved quite a bit since that time. In those years a lot of applications have been developed. All those "legacy" applications that are around have proven their value and that is why they lasted. In this session we will explore how we can improve our legacy applications by doing some refactoring or redesign (component based development) but also by introducing (newer) Spring IO technologies.
Consul is a system for discovering and configuring services in your infrastructure. It was built by Hashicorp, the same smart folks that created Vagrant and Packer. Consul provides services such as Service Discovery, Health Checking, Key/Value Store all while supporting multiple datacenters out of the box.
Spring Cloud Consul aims to bring all of those features to the Spring Cloud ecosystem. The project has reached its first milestone and fresh jars are available in the repo.spring.io repository. Spring Cloud Consul provides the following features:
Spring Cloud Consul Discovery: An implementation of the Spring Cloud Commons DiscoveryClient. Service registration and discovery are performed via the Consul HTTP API.
Spring Cloud Consul Config: Distributed configuration via the Consul Key/Value API. This behaves similarly to the Spring Cloud Config Client, but is backed by the distributed Consul KV Store.
Spring Cloud Consul Bus: An event bus for linking services and service instances together with distributed messaging. Useful for propagating state changes across a cluster (e.g. config change events). This is implemented using the Consul Event API.
Welcome to another installment of This Week in Spring! There is a lot to talk about, so let's get to it!
First, the big news! Spring framework lead and OG Spring Guy Juergen Hoeller just announced that Spring framework 4.2 RC1 is now available! This new release includes lots of amazing new features so be sure to check it out! It includes anotation detection on Java 8 default methods, annotation-based application events, first-class annotation attibute aliases, nest path processing for direct field binding, data binding and conversion for JSR 354 (money and currency), Hibernate ORM 5.0 support (via JPA and natively), a STOMP client for use over TCP and WebSocket channels, Listenable/…
It's my pleasure to announce that Spring Framework 4.2 RC1 is now available from our milestone repository. This is a feature release in the 4.x line with a focus on core refinements and modern web capabilities:
Annotation detection on Java 8 default methods (e.g. @Bean)
I’m pleased to announce the availability of Spring Cloud Connectors 1.2.0 RC1.
This release should be fully backward compatible with 1.1.0.RELEASE for applications using the library. Libraries that extend the core Connectors library should be recompiled against 1.2.0 RC1, and may encounter a few small extension API changes. Barring any issues, this will be the only RC before 1.2.0.RELEASE.
Here's an overview of what's new in 1.2.0:
Spring Cloud Connectors Core
AMQP
AmqpServiceInfo no longer validates that the path element of a URI contains a value, which allows the default RabbitMQ vhost to be used.
URL validation in AmqpServiceInfo was relaxed such that QPID URL format is supported as well as RabbitMQ URL format.
AmqpServiceInfo now supports holding a list of URIs for providers that support multiple host connections.
We are pleased to announce the Spring for Apache Hadoop 2.2 RC1 milestone releases. This is the last planned release before the 2.2 GA release in approximately 2 weeks.
The most important changes/enhancements in the Spring for Apache Hadoop 2.2 version are:
Remove support for running with JDK 6, Java 7 or later is now required
Improvements to the HDFS writer to support syncable writes and a new timeout option
In the recent years, drastic increases in data volume as well as a greater demand for low latency have led to a radical shift in business requirements and application development methods. In response to these demands, frameworks such as RxJava and high throughput messaging systems such as Kafka have emerged as key building blocks. However, integrating technologies is never easy and Spring XD provides a solution. Through its development model and runtime, Spring XD makes it easy to develop highly scalable data pipelines, and lets you focus on writing and testing business logic vs. integrating and scaling a big data stack. Come and see how easy this can be in this webinar, where we will demonstrate how to build highly scalable data pipelines with RxJava and Kafka, using Spring XD as a platform. In the recent years, drastic increases in data volume as well as a greater demand for low latency have led to a radical shift in business requirements and application development methods. In response to these demands, frameworks such as RxJava and high throughput messaging systems such as Kafka have emerged as key building blocks. However, integrating technologies is never easy and Spring XD provides a solution. Through its development model and runtime, Spring XD makes it easy to develop highly scalable data pipelines, and lets you focus on writing and testing business logic vs. integrating and scaling a big data stack. Come and see how easy this can be in this webinar, where we will demonstrate how to build highly scalable data pipelines with RxJava and Kafka, using Spring XD as a platform.
Learn more about Spring XD at http://projects.spring.io/spring-xd
In this article we continue our discussion of how to use Spring Security with Angular JS in a "single page application". Here we show how to write and run unit tests for the client-side code using the Javascript test framework Jasmine. This is the eighth in a series of articles, and you can catch up on the basic building blocks of the application or build it from scratch by reading the first article, or you can just go straight to the source code in Github (the same source code as Part I, but with tests now added). This article actually has very little code using Spring or Spring Security, but…
I'm pleased to announce the availability of Spring Social 1.1.2.RELEASE. This includes Spring Social's core, web, security, and config modules. This release fixes a dependency issue from last week's 1.1.1.RELEASE.
We are pleased to announce that Spring Batch 3.0.4.RELEASE is now available via Maven Central, Github and the SpringSource download repository. This is the 4th maintenance release for the 3.0.x branch of Spring Batch and addresses a number of bugs and a few minor enhancements. Many thanks to all of those who submitted the many pull requests that went into this release.
