linux运行logstash出错

Question

[2021-09-23T11:51:49,594][INFO ][logstash.agent           ] Successfully started Logstash API endpoint {:port=>9600}
[2021-09-23T11:51:50,729][INFO ][logstash.runner          ] Logstash shut down.
[2021-09-23T11:51:50,771][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-9.2.19.0.jar:?]
    at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:710) ~[jruby-complete-9.2.19.0.jar:?]
    at usr.local.logstash.lib.bootstrap.environment.<main>(/usr/local/logstash/lib/bootstrap/environment.rb:89) ~[?:?]