java spring hazelcast hazelcast-imdg hazelcast-imdg-cp-subsystem spring-security cap-theorem distributed-locking distributed-locks fencedlock hazelcast-jet hibernate jepsen-testing raft-consensus-algorithm stream-processing java-server-faces jsf asyncio command-line concurrency coroutines curio distributed-computing distributed-consensus flexible-paxos groovy hql integration-testing jedis jetty jpa jsf-validator jvm k-means-clustering ldap machine-learning maven maven-failsafe maven-surefire netty orm p2p paxos peer-to-peer publish-subscibe python raft redis scala scripting selenium slf4j