Worked on the spring-projects/spring-amqp repository to deliver a critical bug fix focused on listener container recovery, enhancing the reliability of message consumption in Java applications using RabbitMQ and the Spring Framework. Addressed issues in the CachingConnectionFactory and DirectMessageListenerContainer components to ensure robust connection management and improved exception handling during restarts. The solution prevented consumer duplication and enabled smoother recovery from transient timeouts, directly impacting downstream processing stability. Expanded test coverage with more realistic payloads and updated integration tests, while also applying auto-cherry-picks to multiple branches to maximize the fix’s reach and maintain consistent behavior across supported versions.