Logstash-6.2.4 Logstash could not be started because there is already another instance using the configured data directory. If you wish to run multiple instances, you must change the "path.data" setting

[Vadim_Klimenko]

I start Logstash: bin/logstash -f logstash-simple.conf

Sending Logstash's logs to /home/vadim/www/FULL/Search/logstash-6.2.4/logs which is now configured via log4j2.properties
[2018-05-23T12:24:31,891][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"netflow", :directory=>"/home/vadim/www/FULL/Search/logstash-6.2.4/modules/netflow/configuration"}
[2018-05-23T12:24:31,930][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"fb_apache", :directory=>"/home/vadim/www/FULL/Search/logstash-6.2.4/modules/fb_apache/configuration"}
[2018-05-23T12:24:32,844][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified
[2018-05-23T12:24:32,883][FATAL][logstash.runner ] Logstash could not be started because there is already another instance using the configured data directory. If you wish to run multiple instances, you must change the "path.data" setting.
[2018-05-23T12:24:32,906][ERROR][org.logstash.Logstash ] java.lang.IllegalStateException: org.jruby.exceptions.RaiseException: (SystemExit) exit

And have this error!
Here is CONF file

[Vadim_Klimenko]

I solve the problem. After restarting PC all OK