only exit the dispatch loop if the node is closing

main/main.go

@@ -81,6 +81,7 @@ func main() {
 
 	defer node.Shutdown()
 
-	log.Debug("Dispatching node handlers")
-	node.Dispatch()
+	log.Debug("dispatching node handlers")
+	err = node.Dispatch()
+	log.Debug("dispatch returned with: %s", err)
 }

network/network.go

@@ -485,7 +485,15 @@ func (n *network) Dispatch() error {
 	for {
 		conn, err := n.listener.Accept()
 		if err != nil {
-			return err
+			n.stateLock.Lock()
+			closed := n.closed
+			n.stateLock.Unlock()
+
+			if closed {
+				return err
+			}
+			n.log.Debug("error during server accept: %s", err)
+			continue
 		}
 		go n.upgrade(&peer{
 			net:  n,

node/node.go

@@ -195,7 +195,7 @@ func (i *insecureValidatorManager) Disconnected(vdrID ids.ShortID) bool {
 
 // Dispatch starts the node's servers.
 // Returns when the node exits.
-func (n *Node) Dispatch() {
+func (n *Node) Dispatch() error {
 	// Add bootstrap nodes to the peer network
 	for _, peer := range n.Config.BootstrapPeers {
 		if !peer.IP.Equal(n.Config.StakingIP) {
@@ -205,7 +205,7 @@ func (n *Node) Dispatch() {
 		}
 	}
 
-	n.Net.Dispatch()
+	return n.Net.Dispatch()
 }
 
 /*