Connection Timeout, Broker Unresponsive

Issue

• The broker cluster connection started getting timeouts This is only reported on a single address, but is impacting the other addresses and applications. The brokers became unresponsive not allowing Jolokia connections for status and causing clients to block on send. The system only recovered when the brokers were restarted.

WARN  [org.apache.activemq.artemis.core.server] AMQ222094: Bridge unable to send message Reference[4312994504]:RELIABLE:CoreMessage[messageID=4312736452,durable=true,userID=345d7b71-c9fe-11e8-ac24-74781ae41492,priority=4, timestamp=Sun Oct 07 06:58:59 GMT 2018,expiration=0, durable=true, address=Queue.A.B.CQueue,size=1694,properties=TypedProperties[__AMQ_CID=a992a7e9-c9f9-77e8-ac24-74783ae40490,_AMQ_ROUTING_TYPE=1,_AMQ_ROUTE_TO$.artemis.internal.sf.cluster-DJS-APP.4c013226-c675-11e8-b5cf-b8ca3af6d728=[0000 0000 0000 0134),bytesAsLongs(308]]]@2010168498, will try again once bridge reconnects: ActiveMQConnectionTimedOutException[errorType=CONNECTION_TIMEDOUT message=AMQ119014: Timed out after waiting 30,000 ms for response when sending packet 71]