# Facing issues in logstash
**URL:** https://discuss.elastic.co/t/facing-issues-in-logstash/295075
**Category:** Logstash
**Created:** [January 21, 2022, 3:27pm UTC](https://discuss.elastic.co/t/facing-issues-in-logstash/295075 "2022-01-21T15:27:57Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Shubham\_Singh](https://discuss.elastic.co/u/Shubham_Singh)
#### Post date: [January 21, 2022, 3:27pm UTC](https://discuss.elastic.co/t/facing-issues-in-logstash/295075/1 "2022-01-21T15:27:58Z")
/usr/share/logstash/bin/logstash --config.test\_and\_exit -f nginx.conf --path.settings /etc/logstash
-----------------Getting this error when i run the logstash ---------------------------------------------
Thread.exclusive is deprecated, use Thread::Mutex
Sending Logstash logs to /var/log/logstash which is now configured via log4j2.properties
[2022-01-21T15:10:27,070][FATAL][logstash.runner] An unexpected error occurred! {:error=\>#\, :backtrace=\>["/usr/share/logstash/logstash-core/lib/logstash/settings.rb:69:in `get_setting'", "/usr/share/logstash/logstash-core/lib/logstash/settings.rb:102:in `set\_value'", "/usr/share/logstash/logstash-core/lib/logstash/settings.rb:121:in `block in merge'", "org/jruby/RubyHash.java:1417:in `each'", "/usr/share/logstash/logstash-core/lib/logstash/settings.rb:121:in `merge'", "/usr/share/logstash/logstash-core/lib/logstash/settings.rb:179:in `validate\_all'", "/usr/share/logstash/logstash-core/lib/logstash/runner.rb:283:in `execute'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:67:in `run'", "/usr/share/logstash/logstash-core/lib/logstash/runner.rb:242:in `run'", "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:132:in `run'", "/usr/share/logstash/lib/bootstrap/environment.rb:73:in `'"]}
[2022-01-21T15:10:27,101][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit
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### Author:  [@Badger](https://discuss.elastic.co/u/Badger)
#### Post date: [January 21, 2022, 4:44pm UTC](https://discuss.elastic.co/t/facing-issues-in-logstash/295075/2 "2022-01-21T16:44:59Z")
> [@Shubham\_Singh](#):
>
> Setting "api.http.host" hasn't been registered
Last year, in 7.16, the http.host entry in logstash.yml was renamed to be api.http.host.
I suspect you have a 7.16 or more recent logstash.yml installed on a 7.15 or older release. See [this issue](https://github.com/elastic/logstash/issues/13196) for the various changes that were made.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [February 18, 2022, 4:45pm UTC](https://discuss.elastic.co/t/facing-issues-in-logstash/295075/3 "2022-02-18T16:45:40Z")
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