MessagingService.instance.registerVerbHandlers(Verb.GOSSIP_DIGEST_SYN, new GossipDigestSynVerbHandler());
MessagingService.instance.registerVerbHandlers(Verb.GOSSIP_DIGEST_ACK, new GossipDigestAckVerbHandler());
MessagingService.instance.registerVerbHandlers(Verb.GOSSIP_DIGEST_ACK2, new GossipDigestAck2VerbHandler());
MessagingService.instance.registerVerbHandlers(Verb.DEFINITIONS_ANNOUNCE, new DefinitionsAnnounceVerbHandler());
MessagingService.instance.registerVerbHandlers(Verb.DEFINITIONS_UPDATE_RESPONSE, new DefinitionsUpdateResponseVerbHandler());
MessagingService.instance.registerVerbHandlers(Verb.TRUNCATE, new TruncateVerbHandler());
MessagingService.instance.registerVerbHandlers(Verb.SCHEMA_CHECK, new SchemaCheckVerbHandler());
// spin up the streaming serivice so it is available for jmx tools.
if (StreamingService.instance == null)