JIRA: https://jira.spring.io/browse/AMQP-504 `TimeoutException`, deprecations. Also, the JDK `javac` now seems to honor `@SuppressWarnings("deprecation")` - remove the lint `-deprecation` option Conflicts: build.gradle spring-rabbit/src/test/java/org/springframework/amqp/rabbit/connection/CachingConnectionFactoryTests.java Resolved.