I use the bin/logstash -f sys.conf --config.reload.automatic run the logstash,The first time is normal operation,However, after I change the configuration file, logstash will report an error when reloading.
[ERROR][logstash.agent ] Failed to execute action {:id=>:main, :action_type=>LogStash::ConvergeResult::FailedAction, :message=>"Cannot reload pipeline, because the new pipeline is not reloadable", :backtrace=>nil}