Spring framework release

Spring framework release DEFAULT

Spring And Spring Boot Versions

Similar to the JVM, Spring versions are insanely backwards compatible, which means you can (essentially) still run your Spring 1.0 xml files with the latest Spring 5.0 (though I admittedly haven’t tried that out, yet). In addition, upgrading from, say 3 to 5 is also possible with a bit of effort (see this migration guide).

So, in general, newer Spring versions build on top of the older Spring versions and have minimal breaking changes (compared with, say Python 2 vs 3). So, all core concepts you learned for Spring version 3 or 4 are still true for Spring version 5.

You can get a great overview of what changed over the last 7 years in the individual Spring versions, here:

To give you an executive summary:

The core (dependency injection, transaction management etc.) always stays the same or gets extended. Spring, however, goes with time and offers support for newer Java language versions, test framework enhancements, Websockets, reactive programming, etc.

Sours: https://www.marcobehler.com/guides/spring-and-spring-boot-versions

Spring Framework 5.0 Released

Spring Framework 5.0, featuring a new reactive web framework, was released on September 28, 2017. Pieter Humphrey, product marketing manager at Pivotal, called it the most significant release since the project’s inception in 2004.

With this release, Spring 5.0 has its entire codebase based on Java 8 source code level. Spring 5.0 is compatible with JDK 9 for development and deployment.

Spring 5.0’s reactive web framework Spring WebFlux is built on Project Reactor 3.1 and supports both annotated and functional styles of programming. InfoQ spoke to Rossen Stoyanchev, senior staff engineer at Pivotal, about his thoughts on Spring 5.0’s emphasis on reactive programming.

Stoyanchev: Java developers are familiar with the benefits of a continuation style API for composing asynchronous logic from CompletableFuture in Java 8. In recent years we’ve also seen the rise of libraries for composing asynchronous logic, such as RxJava and Reactor, with similar benefits as CompletableFuture, but for a stream of values and with support for backpressure (as modelled by the Reactive Streams specification).  

Spring Framework 5 enables applications to embrace this asynchronous programming model with a web framework that is itself fully asynchronous in its own core contracts, uses non-blocking I/O internally, and supports Reactive Streams backpressure on top of async runtimes such as Netty and Undertow and also Servlet containers such as Tomcat and Jetty (based on Servlet 3.1 non-blocking I/O). The benefit of this approach is first-class support for composing asynchronous logic coupled with an event-loop style execution model that can handle more concurrency with less hardware resources, in particular under high load.

Stoyanchev said that the changes in Spring 5.0 will not have any immediate impact on existing applications looking to upgrade since the new functionality exists side by side with Spring MVC.

In most cases applications will import either spring-webmvc (Servlet stack) or spring-webflux (Reactive stack), and existing applications can easily be upgraded to Spring Framework 5’s version of spring-webmvc.

According to Stoyanchev, Spring 5.0 aims to provide a choice and consistency across Spring MVC and Spring WebFlux as much as possible. Both web frameworks support the same annotation-based programming model with flexible controller method signatures. In addition to this, Spring WebFlux also offers an alternative, functional web endpoint programming model that can be appealing with Java 8 lambdas and built-in Kotlin extensions.

In Spring Framework 5 we’ve actually extended Spring MVC with support for reactive return values which allows a Spring MVC controller to take advantage of the reactive WebClient and other reactive libraries such as reactive data repositories, while still operating within a Servlet-based web endpoint arrangement on any Servlet 3.1+ container.   

InfoQ asked Stoyanchev about the precautions a developer should take while adopting the reactive programming model with Spring 5.0

Developers should know that the shift from writing imperative style logic to using declarative, asynchronous APIs has a big learning curve. Asynchronous and non-blocking code is also harder to debug because you no longer have a single call stack. If you’re new to all this, start small and allow plenty of time to learn and adapt. Pick carefully which applications are a good fit and might benefit the most from non-blocking concurrency. Measure and prove the performance benefits before you decide to proceed. Remember there are simple places to start such as using the reactive WebClient in an existing Spring MVC application.

InfoQ also spoke with Juergen Hoeller, Spring Framework project lead, about his thoughts on Spring 5.0.

Hoeller: Our Java 8+ baseline brings significant API refinements and many internal optimizations across the framework. At the same time, Spring Framework 5.0 ships with comprehensive JDK 9 support on the classpath as well as the module path already.

The core container comes with functional bean registration mechanisms for Java 8 and Kotlin.

Hoeller added that Spring 5.0 also provide Kotlin extensions for common Spring API’s such as JdbcTemplate and RestTemplate, and support for data binding against Kotlin data classes.

Hoeller summarized the other noteworthy features of Spring 5.0

Spring Framework 5.0 supports the Java EE 8 API level at runtime: e.g. Servlet 4.0 for PushBuilder injection into Spring MVC handler methods, the standard JSON Binding API for JSON conversion (as an alternative to Jackson and Gson), JPA 2.2 persistence, and Bean Validation 2.0 for annotation-driven validation. All of that said, our baseline remains at Java EE 7+ level, still supporting any Servlet 3.1 container, JPA 2.1 provider, etc.

This content is in the Java topic

Related Topics:
Sours: https://www.infoq.com/news/2017/10/spring-5-released/
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VersionReleasedActive SupportSecurity SupportRelease 5.3 10 months ago

(09 Dec 2020)

Yes Yes v5.3.10 5.2 8 months ago

(16 Feb 2021)

Yes Ends in 2 months and 2 weeks

(31 Dec 2021)

v5.2.17.RELEASE 5.1 10 months ago

(09 Dec 2020)

No Ended 10 months ago

(09 Dec 2020)

NA 5.0 10 months ago

(09 Dec 2020)

No Ended 10 months ago

(09 Dec 2020)

NA 4.3 10 months ago

(09 Dec 2020)

No Ended 9 months ago

(31 Dec 2020)

NA 3.2 2 years and 9 months ago

(17 Jan 2019)

No Ended 4 years and 9 months ago

(31 Dec 2016)

Sours: https://endoflife.date/spring-framework
Spring Framework Setup for Eclipse

New Features

  • Enhance DefaultResponseErrorHandler to allow logging complete error response body #27552
  • Include correct keyword in CookieAssertions failure messages #27550
  • Use Arrays.hashCode() in ByteArrayResource.hashCode() #27544
  • Allow default CacheAwareContextLoaderDelegate configuration via a system property #27540
  • Invoke bean-derived (Auto)Closeable.close() method directly #27504
  • Defensive reference to JNDI API for JDK 9+ (optional module) #27483
  • DefaultMessageListenerContainer does not log an error/warning when consumer tasks have been rejected #27451
  • Provide accessor on externallyManaged RootBeanDefinition attributes #27449
  • Allow to avoid class validation in via #27439
  • Add support for non-public record declarations #27437
  • Emit WebClientResponseException for malformed HTTP response #27262
  • DatabasePopulatorUtils.execute should commit if the current Connection has auto-commit set to false #27008

Bug Fixes

  • CronTrigger uses new Date() instead of context's Clock #27546
  • Performance impact of con.getContentLengthLong() in AbstractFileResolvingResource.isReadable() downloading huge jars to check component length #27541
  • Performance impact of ResourceUrlEncodingFilter on HttpServletResponse#encodeURL #27538
  • UriTemplateRequestEntity doesn't override hashCode() and equals() #27531
  • DataBufferUtils.write loses context #27517
  • Avoid duplicate JCacheOperationSource bean registration in <cache:annotation-driven /> #27499
  • Proxy generation with Java 17 fails with "Cannot invoke "Object.getClass()" because "cause" is null" #27490
  • MediaType.sortBySpecificityAndQuality throws java.lang.IllegalArgumentException: Comparison method violates its general contract #27488
  • Leading whitespaces are removed while reading SSE response #27473
  • Non-escaped closing curly brace in RegEx results in initialization error on Android #27467
  • ConcurrentReferenceHashMap's entrySet violates the Map contract #27454
  • Avoid early ConversionService determination in StandardBeanExpressionResolver #27446
  • Spring Framework >= 5.3.8 ASM ClassReader fails to parse class file due to InputStream optimization #27429
  • StringUtils.collectionToDelimitedString(?) fails with NullPointerException when the collection contains null #27419
  • Spring HATEOAS results in 406 with Kotlin Coroutine and ResponseEntity in WebFlux #27292


  • Remove remark about missing caching API. #27501

Dependency Upgrades

  • Upgrade to JUnit 5.8.1 #27450
  • Upgrade to Reactor 2020.0.12 #27527
  • Upgrade to SmallRye Mutiny 1.1.1 #27555


We'd like to thank all the contributors who worked on this release!

Sours: https://github.com/spring-projects/spring-framework/releases

Release spring framework

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From Spring Framework 5.3 to 6.0


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