How did you install logstash? tar.gz, deb, rpm, windows?
What Version?
What other configuration changes have you made?
What commands have you tried? Any? Did you get errors? If so share them.
Are you running from the command line or as a service?
Perhaps Share your logstash.yml
My point is ... if you want help, perhaps provide additional information then perhaps we can help.
In general if you made no other changes than that, if you start filebeat from the command line without the -f option it will read the pipelines.yml file and start those pipelines.
If you installed as a package and it is running as a service and you made little other changes that will also pick up the pipelines.yml
I haven't changed anything in logstash.yml file.
I updated only on the pipeline.yml file
ERROR LOGS:
D:\Elastic\Logstash\7.12.1>bin\logstash.bat
"Using bundled JDK: ""
OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.
Sending Logstash logs to D:/Elastic/Logstash/7.12.1/logs which is now configured via log4j2.properties
[2021-06-18T20:51:25,701][INFO ][logstash.runner ] Log4j configuration path used is: D:\Elastic\Logstash\7.12.1\config\log4j2.properties
[2021-06-18T20:51:25,716][INFO ][logstash.runner ] Starting Logstash {"logstash.version"=>"7.12.1", "jruby.version"=>"jruby 9.2.13.0 (2.5.7) 2020-08-03 9a89c94bcc OpenJDK 64-Bit Server VM 11.0.10+9 on 11.0.10+9 +indy +jit [mswin32-x86_64]"}
[2021-06-18T20:51:26,656][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}
[2021-06-18T20:51:26,796][ERROR][logstash.config.sourceloader] No configuration found in the configured sources.
[2021-06-18T20:51:26,890][INFO ][logstash.runner ] Logstash shut down.
[2021-06-18T20:51:26,906][FATAL][org.logstash.Logstash ] Logstash stopped processing because of an error: (SystemExit) exit
org.jruby.exceptions.SystemExit: (SystemExit) exit
at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:747) ~[jruby-complete-9.2.13.0.jar:?]
at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:710) ~[jruby-complete-9.2.13.0.jar:?]
at D_3a_.Elastic.Logstash.$7_dot_12_dot_1.lib.bootstrap.environment.(D:\Elastic\Logstash\7.12.1\lib\bootstrap\environment.rb:89) ~[?:?]
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