Spring Session Corn-M2 and Spring Session Bean-SR6 Released

Releases | Rob Winch | June 18, 2019 | ...

This post was authored by Vedran Pavić

On behalf of the community I’m pleased to announce the releases of Spring Session Corn-M2 and Bean-SR6. These releases will be picked up by Spring Boot 2.2.0.M4 and 2.1.6.RELEASE, respectively.

Spring Session Corn-M2

The Corn-M2 release is based on:

  • Spring Session core modules 2.2.0.M2

  • Spring Session Data Geode 2.2.0.M2

  • Spring Session Data MongoDB 2.2.0.M3

Some of the highlights of Spring Session 2.2.0.M2 are:

  • simple Redis-based implementation of SessionRepository

  • reworked @Configuration classes are now compatible with proxyBeanMethods=false

  • migration of project’s tests to JUnit 5

  • simplified project structure

Complete details of these releases can be found in the changelog.

SimpleRedisOperationsSessionRepository

The biggest highlight of the release is the new, simple, Redis-based implementation of SessionRepository that’s offered as an alternative to the well known RedisOperationsSessionRepository.

The original RedisOperationsSessionRepository, on top of core SessionRepository functionality, provides support for session events (that are translated to HttpSessionEvent instances) and also implements FindByIndexNameSessionRepository (that allows retrieval of sessions for a given principal). The support for these two features comes at a cost, as there’s some complexity around how the sessions need to be persisted in Redis.

For many applications, support for session events and principal index isn’t essential and this was the main motivation for providing an alternative in SimpleRedisOperationsSessionRepository. The new SessionRepository does not yet have a first-class support in Spring Session’s configuration infrastructure, so it can be configured as follows:

@EnableSpringHttpSession
public class RedisSessionConfiguration {

    @Autowired
    private RedisConnectionFactory redisConnectionFactory;

    @Bean
    public RedisOperations<String, Object> sessionRedisOperations() {
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(this.redisConnectionFactory);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        return redisTemplate;
    }

    @Bean
    public SimpleRedisOperationsSessionRepository sessionRepository(
            RedisOperations<String, Object> sessionRedisOperations) {
        return new SimpleRedisOperationsSessionRepository(sessionRedisOperations);
    }

}

Consider giving Corn-M2 release and SimpleRedisOperationsSessionRepository a spin, and let us know of your feedback!

Spring Session Bean-SR6

The Bean-SR6 release is based on:

  • Spring Session core modules 2.1.7.RELEASE

  • Spring Session Data Geode 2.1.4.RELEASE

  • Spring Session Data MongoDB 2.1.4.RELEASE

Spring Session 2.1.7.RELEASE is maintenance release that brings a couple of bug fixes together with the usual dependency upgrades. Complete details of these releases can be found in the changelog.

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