Spring AMQP 1.6.0 Milestone 2 (and 1.5.5) Available

Releases | Gary Russell | March 25, 2016 | ...

We are pleased to announce the second milestone of Spring AMQP 1.6 is available.

Additions since the first milestone include:

  • The caching connection factory now exposes cache statistics

  • @RabbitListener methods now communicate type information to the message converter for inbound messages. This means, for example, the Jackson2JsonMessageConverter no longer needs a custom class mapper when a message without type information in the headers is received (e.g. from a sender that is not a Spring AMQP app). Instead, the @RabbitListener method parameter type is used in the conversion. In addition, the Method and bean are also made available via message properties to custom converters.

public SimpleRabbitListenerContainerFactory rabbitListenerContainerFactory(
		ConnectionFactory rabbitConnectionFactory) {
	SimpleRabbitListenerContainerFactory factory = 
             new SimpleRabbitListenerContainerFactory();
	factory.setMessageConverter(new Jackson2JsonMessageConverter());
	return factory;

public static class MyService {

	public void handleFoos(Foo foo) {

	public void handleBarLists(List<Bar> bars) {
  • @RabbitListener irrecoverable errors are now considered to be fatal by the default error handler, to avoid endless redelivery of such messages.

  • @RabbitListener @SendTo addresses (used when the inbound message has no replyTo) can now contain a SpEL expression evaluated at runtime against the input and output message.

  • When using java serialized messages, you can now specify a "white list" of allowable classes/packages for deserialization. This is recommended when receiving serialized objects from untrusted sources.

The release candidate should be available near the end of April with the GA release in early May.

For a complete list of new features in 1.6, see the What's new? as well as the JIRA Release Notes for this milestone and the previous.

Visit the project page for links to downloads, documentation etc.

In addition, the 1.5.5.RELEASE is available with a few bug fixes. It also includes the white list for deserialization mentioned above. Existing users are encouraged to upgrade to this version.

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