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Spring Boot 3.2.0 RC1 Release Notes
For changes in earlier milestones, please refer to:
The auto-configured InMemoryUserDetailsManager now backs off when one or more of spring-security-oauth2-client, spring-security-oauth2-resource-server, and spring-security-saml2-service-provider is on the classpath.
Similarly, in reactive applications, the auto-configured MapReactiveUserDetailsService now backs off when one or more of spring-security-oauth2-client and spring-security-oauth2-resource-server is one the classpath.
If you are using one of the above dependencies yet still require an InMemoryUserDetailsManager or MapReactiveUserDetailsService in your application, define the required bean in your application.
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Tip
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Check the configuration changelog for a complete overview of the changes in configuration. |
There’s a new property called spring.main.keep-alive. When set to true, the JVM is kept alive, even if all other threads are virtual (or daemon) threads.
When virtual threads are enabled, Spring for Apache Pulsar will now be configured to use them.
Specially the auto-configured ConcurrentPulsarListenerContainerFactory will use a VirtualThreadTaskExector for its consumer task executor. Similarly, the auto-configured DefaultPulsarReaderContainerFactory will use a VirtualThreadTaskExecutor for its reader task executor.
New properties have been introduced for configuring the sessions created by the auto-configured JmsTemplate:
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spring.jms.template.session.acknowledge-mode -
spring.jms.template.session.transacted
Similarly, a spring.jms.listener.session.transacted property has been introduced for the auto-configured JmsMessageListenerContainer.
To align with these new properties, please note that the existing spring.jms.listener.acknowledge-mode property has been deprecated and spring.jms.listener.session.acknowledge-mode has been introduced as a replacement.
Recent versions of the Java client for RabbitMQ limit the maximum size of the body of an inbound message to 64MB by default.
For the customization of this limit, the spring.rabbitmq.max-inbound-message-body-size configuration property has been introduced.
The default for connection validation on Oracle UCP datasources has been removed.
Before 3.2.0-RC1 connection validation was enabled by default, this is no longer the case.
If you need connection validation, set the configuration property spring.datasource.oracleucp.validate-connection-on-borrow to true.
In addition to developmentOnly, Spring Boot’s Gradle plugin now also creates a testAndDevelopmentOnly configuration.
Unlike developmentOnly, dependencies in this new configuration are included in the test compile and runtime classpaths.
It is primarily intended for applications that are using Testcontainers at development time.
You can now use Micrometer’s @Timed, @Counted, @NewSpan and @ContinueSpan annotations.
The aspects for them are now auto-configured if you have AspectJ on the classpath.
There’s a new configuration property named spring.reactor.context-propagation, which controls the context propagation in reactive pipelines.
To automatically propagate observations, trace ids and span ids in your reactive pipelines, set the property to auto.
SSL bundles can now be automatically reloaded when the trust material changes.
A bundle must opt in to this functionality by settings its reload-on-update property to true.
The consumer of the bundle must also support reloading.
Consumers that support reloading are:
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Netty web server
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Tomcat web server
More information about reloading of SSL bundles can be found in the reference documentation.
RabbitMQ and Apache Kafka connections can now be configured to use SSL trust material from an SSL bundle with spring.rabbitmq.ssl.bundle and spring.kafka.ssl.bundle properties, as an alternative to providing trust material as Java keystore files using existing spring.rabbitmq.ssl and spring.kafka.ssl properties.
Spring Boot 3.2.0-RC1 moves to new versions of several Spring projects:
TODO
Numerous third-party dependencies have also been updated, some of the more noteworthy of which are the following:
TODO
Apart from the changes listed above, there have also been lots of minor tweaks and improvements including:
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The
WebClientbased Zipkin sender now honors the timeouts set through the configuration properties. -
Any
TransactionExecutionListenerbeans are now added to the auto-configured transaction manager. -
Transaction manager customization now applies to any type of
TransactionManager, not justPlatformTransactionManager. -
Awaitility (
org.awaitility:awaitility) is now part ofspring-boot-starter-test. -
Add property to verify keys when using PEM SSL bundles.
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Add support for CSP authentication when using Wavefront.
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The
restTemplateBuilderConfigurerbean is no longer backing off on user-defined beans. If you had your ownrestTemplateBuilderConfigurerbean, please remove it. See #36264 for details. -
The features declared in Jackson’s
EnumFeatureandJsonNodeFeaturecan now be enabled and disabled using the configuration propertiesspring.jackson.datatype.enum.andspring.jackson.datatype.jsonnode.respectively. -
Additional build info properties can now have lazy values by using a
Provider. -
When auto-configuring
MockMvc, filters are now registered using the dispatcher types and init parameters from their registration bean.
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Configuration property
spring.jms.listener.concurrencywith replacementspring.jms.listener.min-concurrency. -
Configuration property
spring.jms.listener.acknowledge-modewith replacementspring.jms.listener.session.acknowledge-mode. -
PlatformTransactionManagerCustomizerwith replacementTransactionManagerCustomizer -
TransactionManagerCustomizers(Collection<? extends PlatformTransactionManagerCustomizer<?>>)with replacementTransactionManagerCustomizers#of(Collection<? extends TransactionManagerCustomizer<?>>)