Fixing queue directory

config/config.yaml

@@ -27,7 +27,7 @@ metrics:
 # The queue keeps 100 messages in memory.  If the shoveler is disconnected from the message bus,
 # it will store messages over the 100 in memory onto disk into this directory.  Once the connection has been re-established
 # the queue will be emptied.  The queue on disk is persistent between restarts.
-config_directory: /tmp/shoveler-queue
+queue_directory: /tmp/shoveler-queue
 
 # Mapping configuration
 # If map.all is set, all messages will be mapped to the configured origin.