After rebooting the singleton provider node I get these unexpected errors and warnings:

• Node 1:

  ERROR [org.apache.activemq.artemis.core.server] (Thread-7 (ActiveMQ-client-global-threads)) AMQ224037: cluster connection Failed to handle message: java.lang.IllegalStateException: Cannot find binding for jms.queue.HelloWorldMDBQueuea3c900ad-689e-11e7-bd1e-54ee751c6182 on ClusterConnectionImpl@633969320[nodeUUID=a114b652-689e-11e7-a2f4-54ee751c6182, connector=TransportConfiguration(name=http-connector, factory=org-apache-activemq-artemis-core-remoting-impl-netty-NettyConnectorFactory) ?httpUpgradeEndpoint=http-acceptor&activemqServerName=default&httpUpgradeEnabled=true&port=9080&host=localhost-localdomain, address=jms, server=ActiveMQServerImpl::serverUUID=a114b652-689e-11e7-a2f4-54ee751c6182]
  

• Node 2:

  WARN  [org.apache.activemq.artemis.core.client] (Thread-2 (ActiveMQ-client-global-threads)) AMQ212037: Connection failure has been detected: AMQ119015: The connection was disconnected because of server shutdown [code=DISCONNECTED]
  WARN  [org.apache.activemq.artemis.core.client] (Thread-0 (ActiveMQ-client-global-threads)) AMQ212037: Connection failure has been detected: AMQ119015: The connection was disconnected because of server shutdown [code=DISCONNECTED]
  WARN  [org.apache.activemq.artemis.core.client] (Thread-1 (ActiveMQ-client-global-threads)) AMQ212037: Connection failure has been detected: AMQ119015: The connection was disconnected because of server shutdown [code=DISCONNECTED]
  WARN  [org.apache.activemq.artemis.core.client] (Thread-3 (ActiveMQ-client-global-threads)) AMQ212037: Connection failure has been detected: AMQ119015: The connection was disconnected because of server shutdown [code=DISCONNECTED]
  WARN  [org.apache.activemq.artemis.core.server] (Thread-2 (ActiveMQ-client-global-threads)) AMQ222095: Connection failed with failedOver=false
  WARN  [org.apache.activemq.artemis.core.server] (Thread-2 (ActiveMQ-client-global-threads)) AMQ222095: Connection failed with failedOver=false
  WARN  [org.apache.activemq.artemis.core.client] (activemq-discovery-group-thread-dg-group1) AMQ212034: There are more than one servers on the network broadcasting the same node id. You will see this message exactly once (per node) if a node is restarted, in which case it can be safely ignored. But if it is logged continuously it means you really do have more than one node on the same network active concurrently with the same node id. This could occur if you have a backup node active at the same time as its live node. nodeID=a114b652-689e-11e7-a2f4-54ee751c6182
  WARN  [org.apache.activemq.artemis.core.client] (activemq-discovery-group-thread-dg-group1) AMQ212034: There are more than one servers on the network broadcasting the same node id. You will see this message exactly once (per node) if a node is restarted, in which case it can be safely ignored. But if it is logged continuously it means you really do have more than one node on the same network active concurrently with the same node id. This could occur if you have a backup node active at the same time as its live node. nodeID=a114b652-689e-11e7-a2f4-54ee751c6182