Lyra is no longer under active development.

[jlerbsc]

Does that mean we should not use this project to add failover capabilities ?

[acogoluegnes]

The official RabbitMQ Java client [1] provides automatic connection recovery [2] and failover [3], so you'd better using it if those are the features you're looking for. Lyra is indeed in maintenance mode.

[1] https://github.com/rabbitmq/rabbitmq-java-client
[2] http://www.rabbitmq.com/api-guide.html#recovery
[3] http://www.rabbitmq.com/api-guide.html#address-array