Getting following error when setting up the flume Configuration

flume
apache-spark

#1

18/02/18 09:09:38 INFO channel.DefaultChannelFactory: Creating instance of channel mem type memory
18/02/18 09:09:38 INFO node.AbstractConfigurationProvider: Created channel mem
18/02/18 09:09:38 INFO source.DefaultSourceFactory: Creating instance of source ws, type netcat